LMP7721

ACTIVE

3 Femtoampere Input Bias Current Precision Amplifier

Product details

Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 1.8 Vos (offset voltage at 25°C) (max) (mV) 0.15 Offset drift (typ) (µV/°C) 1.5 Input bias current (max) (pA) 0.02 GBW (typ) (MHz) 17 Slew rate (typ) (V/µs) 10.43 Rail-to-rail In to V-, Out Iq per channel (typ) (mA) 1.3 Vn at 1 kHz (typ) (nV√Hz) 6.5 CMRR (typ) (dB) 100 Rating Catalog Operating temperature range (°C) -40 to 125 Iout (typ) (A) 0.022 Architecture CMOS Input common mode headroom (to negative supply) (typ) (V) -0.3 Input common mode headroom (to positive supply) (typ) (V) -1 Output swing headroom (to negative supply) (typ) (V) 0.02 Output swing headroom (to positive supply) (typ) (V) -0.02 THD + N at 1 kHz (typ) (%) 0.0007
Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 5.5 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 1.8 Vos (offset voltage at 25°C) (max) (mV) 0.15 Offset drift (typ) (µV/°C) 1.5 Input bias current (max) (pA) 0.02 GBW (typ) (MHz) 17 Slew rate (typ) (V/µs) 10.43 Rail-to-rail In to V-, Out Iq per channel (typ) (mA) 1.3 Vn at 1 kHz (typ) (nV√Hz) 6.5 CMRR (typ) (dB) 100 Rating Catalog Operating temperature range (°C) -40 to 125 Iout (typ) (A) 0.022 Architecture CMOS Input common mode headroom (to negative supply) (typ) (V) -0.3 Input common mode headroom (to positive supply) (typ) (V) -1 Output swing headroom (to negative supply) (typ) (V) 0.02 Output swing headroom (to positive supply) (typ) (V) -0.02 THD + N at 1 kHz (typ) (%) 0.0007
SOIC (D) 8 29.4 mm² 4.9 x 6
  • Unless Otherwise Noted, Typical Values at TA =
    25°C, VS = 5 V.
  • Input Bias Current (VCM = 1 V)
    • Maximum at 25°C ±20 fA
    • Maximum at 85°C ±900 fA
  • Offset Voltage ±26 µV
  • Offset Voltage Drift – 1.5 µV/°C
  • DC Open-Loop Gain 120 dB
  • DC CMRR 100 dB
  • Input Voltage Noise (at f = 1 kHz) 6.5 nV/√Hz
  • THD 0.0007%
  • Supply Current 1.3 mA
  • GBW 17 MHz
  • Slew Rate (Falling Edge) 12.76 V/µs
  • Supply Voltage 1.8 V to 5.5 V
  • Operating Temperature Range –40°C to 125°C
  • 8-Pin SOIC
  • Unless Otherwise Noted, Typical Values at TA =
    25°C, VS = 5 V.
  • Input Bias Current (VCM = 1 V)
    • Maximum at 25°C ±20 fA
    • Maximum at 85°C ±900 fA
  • Offset Voltage ±26 µV
  • Offset Voltage Drift – 1.5 µV/°C
  • DC Open-Loop Gain 120 dB
  • DC CMRR 100 dB
  • Input Voltage Noise (at f = 1 kHz) 6.5 nV/√Hz
  • THD 0.0007%
  • Supply Current 1.3 mA
  • GBW 17 MHz
  • Slew Rate (Falling Edge) 12.76 V/µs
  • Supply Voltage 1.8 V to 5.5 V
  • Operating Temperature Range –40°C to 125°C
  • 8-Pin SOIC

The LMP7721 is the industry’s lowest specified input bias current precision amplifier. The ultra-low input bias current is 3 fA, with a specified limit of ±20 fA at 25°C and ±900 fA at 85°C. This is achieved with the latest patent-pending technology of input bias current cancellation amplifier circuitry. This technology also maintains the ultra-low input bias current over the entire input common-mode voltage range of the amplifier.

Other outstanding features, such as low voltage noise (6.5 nV/√Hz), low DC-offset voltage (±150 µV maximum at 25°C) and low-offset voltage temperature coefficient (–1.5 µV/°C), improve system sensitivity and accuracy in high-precision applications. With a supply voltage range of 1.8 V to 5.5 V, the LMP7721 is the ideal choice for battery-operated, portable applications. The LMP7721 is part of the LMP precision amplifier family.

As part of Texas Instruments’ PowerWise™ products, the LMP7721 provides the remarkably wide-gain bandwidth product (GBW) of 17 MHz while consuming only 1.3 mA of current. This wide GBW along with the high open-loop gain of 120 dB enables accurate signal conditioning. With these specifications, the LMP7721 has the performance to excel in a wide variety of applications such as electrochemical cell amplifiers and sensor interface circuits.

The LMP7721 is offered in an 8-pin SOIC package with a special pinout that isolates the amplifier’s input from the power supply and output pins. With proper board layout techniques, the unique pinout of the LMP7721 will prevent PCB leakage current from reaching the input pins. Thus system error will be further reduced.

The LMP7721 is the industry’s lowest specified input bias current precision amplifier. The ultra-low input bias current is 3 fA, with a specified limit of ±20 fA at 25°C and ±900 fA at 85°C. This is achieved with the latest patent-pending technology of input bias current cancellation amplifier circuitry. This technology also maintains the ultra-low input bias current over the entire input common-mode voltage range of the amplifier.

Other outstanding features, such as low voltage noise (6.5 nV/√Hz), low DC-offset voltage (±150 µV maximum at 25°C) and low-offset voltage temperature coefficient (–1.5 µV/°C), improve system sensitivity and accuracy in high-precision applications. With a supply voltage range of 1.8 V to 5.5 V, the LMP7721 is the ideal choice for battery-operated, portable applications. The LMP7721 is part of the LMP precision amplifier family.

As part of Texas Instruments’ PowerWise™ products, the LMP7721 provides the remarkably wide-gain bandwidth product (GBW) of 17 MHz while consuming only 1.3 mA of current. This wide GBW along with the high open-loop gain of 120 dB enables accurate signal conditioning. With these specifications, the LMP7721 has the performance to excel in a wide variety of applications such as electrochemical cell amplifiers and sensor interface circuits.

The LMP7721 is offered in an 8-pin SOIC package with a special pinout that isolates the amplifier’s input from the power supply and output pins. With proper board layout techniques, the unique pinout of the LMP7721 will prevent PCB leakage current from reaching the input pins. Thus system error will be further reduced.

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Technical documentation

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Type Title Date
* Data sheet LMP7721 3-Femtoampere Input Bias Current Precision Amplifier datasheet (Rev. E) PDF | HTML 15 Dec 2014
Circuit design Low-input bias-current front end SAR ADC circuit (Rev. B) PDF | HTML 24 Sep 2024
Circuit design Photodiode Amplifier Circuit (Rev. B) PDF | HTML 02 May 2024
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 Mar 2017
EVM User's guide AN-1796 LMP7721 Evaluation Board (Rev. C) 01 May 2013
Application note AN-1798 Designing with Electro-Chemical Sensors (Rev. C) 01 May 2013
Application note AN-1852 Designing With pH Electrodes (Rev. A) 01 May 2013
More literature Die D/S LMP7721-MDC Femtoampere Input Bias Currect Precision Amplifier 08 Jan 2013
EVM User's guide LMP7721 Multi-Function Evaluation Board 26 Jan 2012

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Automotive, micropower, 1.8-V, 17-µA zero-drift CMOS precision operational amplifier OPA333A-EP Enhanced-product, micropower, 1.8-V, 17-µA zero-drift CMOS precision operational amplifier OPA334 Single 0.05uV/C max, single-supply CMOS operational amplifier with shutdown OPA335 Single 0.05uV/C max, single-supply CMOS operational amplifier OPA336 Single-Supply, MicroPower CMOS Operational Amplifiers MicroAmplifier™ Series OPA336-EP Enhanced Product Single-Supply, Micropower Cmos Operational Amplifiers Microamplifier(Tm) OPA340 Single, single-supply, rail-to-rail, low power operational amplifier OPA340-EP Enhanced Product Single-Supply, Rail-to-Rail Operational Amplifiers MicroAmplifier™ Series OPA350 Single, single-supply, rail-to-rail, high speed, low noise operational amplifier OPA369 Single, 1.8-V, 700-nA, zero-crossover rail-to-rail I/O operational amplifier OPA37 Ultra-low-noise (4.5-nV/√Hz), 100-µV offset, decompensated precision operational amplifier OPA376 Precision (0.025mV), low noise (7.5nV/rtHz), low quiescent current (760uA) op amp OPA376-Q1 Automotive Precision, Low Noise, Low Iq Operational Amplifier OPA377 Low-cost, low-noise, 5.5-MHz CMOS operational amplifier OPA377-Q1 Automotive Qualified, Low Noise, Low Voltage, Precision Operational Amplifier OPA378 Low-noise, 900-kHz, RRIO, precision operational amplifier, zero-drift series OPA381 Precision, Low Power, High-Speed Transimpedance Amplifier OPA387 Ultra-high precision (2 µV), zero-drift (0.003 µV/C), low-input-bias-current op amp (single) OPA388 Single, 10-MHz, CMOS, zero-drift, zero-crossover, true RRIO precision operational amplifier OPA388-Q1 Automotive qualified, wide bandwidth, zero drift, zero cross over, precision amplifier OPA391 Micropower, single, high-precision low-bias-current RRIO op amp with high speed-to-power ratio OPA392 Single, low-offset (10 μV), low-noise (4.4 nV/rtHz @10kHz) femtoamp-bias-current e-trim™ op amp OPA396 Single, micropower (24 μA), low-offset (100 μV), high speed-to-power ratio RRIO op amp OPA397 Single, low-offset (60 µV), low-noise, low-bias-current RRIO e-trim™ operational amplifier OPA3S328 High-speed (40 MHz) high-precision (60 µV) low-noise op amp with integrated gain switches OPA404 Quad High Speed Precision Difet® Operational Amplifier OPA4140 Quad-channel, 11-MHz, low-noise 36-V JFET precision operational amplifier with rail-to-rail output OPA4180 0.1 uV/C Drift, Quad, Low Noise, Rail-to-Rail, 36V Zero Drift Op Amp OPA4187 Zero-drift (10µV, 0.001µV/C˚), MUX-friendly, low power, RRO, CMOS quad precision op amp (quad) OPA4188 0.03µV/C, Low Noise, Rail-to-Rail Output, 36V Zero-Drift Operational Amplifier OPA4189 Quad, 14-MHz, MUX-friendly, zero-drift, rail-to-rail-output, precision operational amplifier OPA4191 Quad, low-power, 36-V, precision, e-trim amplifier with RRIO OPA4192 Low-Noise, Low Quiescent Current, 36V RRI/O Precision Op Amps, E-Trim™ Series OPA4196 Quad, 36-V, low power, all-purpose amplifier with mux-friendly input OPA4197 Quad, 36-V, precision, rail-to-rail input output, low offset voltage op amp OPA4197-Q1 Automotive, quad channel, high precision, 36-V, 10-MHz, rail-to-rail input output op amp OPA4202 Low-noise (0.2 µVPP, 9 nV/√Hz), heavy-capacitive-drive (25 nF) quad super-beta precision op amp OPA4205 Quad, rail-to-rail bipolar precision e-trim™ op amp with low input bias current and low noise OPA4209 Quad, 2.2-nV/rtHz, 18-MHz, precision, RRO, 36-V operational amplifier OPA4227 Quad high precision, low noise operational amplifiers OPA4228 Quad high precision, wide bandwidth, low noise operational amplifiers OPA4241 Quad, 5V single-supply, micro power operational amplifiers OPA4251 Quad, 15V single-supply, micro power operational amplifiers OPA4277 Quad, low-offset (10 µV), precision op amp OPA4277-EP Enhanced Products High Precision Operational Amplifiers OPA4277-SP High-precision operational amplifier OPA4317 Quad, Low Offset, Rail-to-Rail I/O Operational Amplifier OPA4325 Low noise (10nV/rtHz), wide bandwidth (10MHz), low power (0.65mA), quad zero crossover op amp OPA4330 Quad, 1.8-V, 35-µA, micropower, precision, zero drift CMOS op amp OPA4336 Quad Single-Supply, MicroPower CMOS Operational Amplifiers MicroAmplifier™ Series OPA4340 Quad, single-supply, rail-to-rail, low power operational amplifier OPA4350 Quad, single-supply, rail-to-rail, high speed, low noise operational amplifier OPA4376 Quad precision, low-noise, low quiescent current operational amplifier OPA4376-Q1 Automotive-Qualified Precision Op Amp With E-Trim, Low Quiescent Current and Low Noise OPA4377 Quad low-cost, low-noise, 5.5-MHz CMOS operational amplifier OPA4377-Q1 Automotive-Qualified CMOS Operational Amplifier With Low Noise and 5.5MHz GBW OPA4387 Ultra-high precision (2 μV), zero-drift (0.003 μV/C), low-input-bias-current op amp (quad) OPA4388 Quad, 10-MHz, CMOS, zero-drift, zero-crossover, true RRIO precision operational amplifier OPA4391 Quad, micropower, high speed-to-power ratio, low-bias-current RRIO precision operational amplifier OPA4727 e-trim™ 20MHz, High Precision CMOS Operational Amplifier OPA4H014-SEP Radiation-tolerant, 11-MHz, low-noise, precision rail-to-rail output JFET amplifier OPA593 85-V, 100-µV wide-bandwidth (10 MHz) high-output-current (250 mA) precision operational amplifier OPA627 55V/µs high-speed 0.8µV/˚C max drift precision operational amplifier OPA637 Precision High-Speed Difet® Operational Amplifiers OPA727 Single high precision, low noise operational amplifiers OPA728 20-MHz, 2.5-fA/√Hz noise, high precision operational amplifiers OPA734 Single 0.05-uV/degC (max) single-supply CMOS op amp, zero-drift series with shutdown OPA735 Single 0.05uV/degC (max) single-supply CMOS operational amplifier, zero-drift series OPA827 Low-noise, high-precision, JFET-input operational amplifier OPA828 High-speed (45 MHz and 150 V/μs), 36-V, low-noise (4 nV/√Hz) RRO JFET operational amplifier OPA928 High-voltage femtoampere-input-bias precision e-trim™ operational amplifier with RRIO SM72501 Precision, CMOS Input, RRIO, Wide Supply Range Amplifier SM73307 Dual, precision, 17-MHz, low-noise, CMOS input amplifier SM73308 Low Offset, Low Noise, RRO Operational Amplifiers THP210 High precision (40-μV, 0.1μV/C), high-voltage (36-V), low-noise (3.7-nV/√Hz), fully-differential amp TLC1078 Dual Micropower Precision Low-Voltage Operational Amplifier TLC1079 Quad Micropower Precision Low-Voltage Operational Amplifier TLC2201 Low Noise Precision Rail-To-Rail Output Operational Amplifier TLC2201-SP Space Low Noise Precision Advanced LinCMOS™ Single Operational Amplifier TLC2201A Advanced LinCMOS™ Low-Noise Precision Operational Amplifier TLC2201AM Low Noise Precision Advanced LinCMOS™ Single Operational Amplifier TLC2201AM-MIL Low Noise Precision Advanced LinCMOS™ Single Operational Amplifier TLC2201M Low Noise Precision Advanced LinCMOS™ Single Operational Amplifier TLC2202 Dual Low-Noise Precision Rail-To-Rail Operational Amplifier TLC2202A Advanced LinCMOS™ Low-Noise Precision Dual Operational Amplifier TLC2202AM Low Noise Precision Advanced LinCMOS™ Dual Operational Amplifier TLC2202M Low Noise Precision Advanced LinCMOS™ Dual Operational Amplifier TLC2252A Rail-To-Rail Dual Operational Amplifier TLC2252A-EP Enhanced Product Advanced Lincmos Rail-To-Rail Very Low Power Operational Amplifiers TLC2252A-Q1 Automotive Catalog Advanced LinCMOS Rail-to-Rail Very Low-Power Operational Amplifier TLC2252AM Rail-To-Rail uPower Precision Advanced LinCMOS™ Dual Operational Amplifier TLC2254A Rail-To-Rail Quad Operational Amplifier TLC2254A-EP Enhanced Product Advanced Lincmos Rail-To-Rail Very Low-Power Operational Amplifiers TLC2254A-Q1 Automotive advanced LinCMOS rail-to-rail very low-power precision operational amplifier TLC2254AM Rail-To-Rail uPower Precision Advanced LinCMOS™ Quad Operational Amplifier TLC2264A-Q1 Automotive Catalog Rail-to-Rail Very Low Power Operational Amplifier TLC2272A Dual, low-noise, 2.18-MHz rail-to-rail operational amplifier TLC2272A-EP Enhanced Product Advanced Lincmos(Tm) Rail-To-Rail Dual Operational Amplifier TLC2272A-Q1 Automotive Catalog Advanced LinCMOS™ Rail-to-Rail Operational Amplifiers TLC2272AM Advanced LinCMOS™ rail-to-rail dual precision operational amplifier with wide temperature r TLC2272AM-MIL Rail-To-Rail Low Noise Advanced LinCMOS™ Dual Operational Amplifier TLC2274A Advanced LinCMOS™ rail-to-rail quad precision operational amplifier TLC2274A-EP Enhanced Product Advanced Lincmos(Tm) Rail-To-Rail Operational Amplifiers TLC2274A-Q1 Automotive advanced LinCMOS™ rail-to-rail quad precision operational amplifier TLC2652 High precision, 1-µV offset, chopper-stabilized operational amplifier TLC2652A Advanced LinCMOS™ Precision Chopper-Stabilized Operational Amplifier TLC2652AM Precision Chopper-Stabilized Advanced LinCMOS™ Operational Amplifier TLC2652M-MIL Precision Chopper-Stabilized Advanced LinCMOS™ Operational Amplifier TLC2654 Low-Noise Chopper-Stabilized Operational Amplifier TLC2654A Advanced LinCMOS™ Low-Noise Chopper-Stabilized Operational Amplifier TLC2654AM Low Noise Chopper-Stabilized Advanced LinCMOS™ Operational Amplifier TLC277 Dual Precision Single Supply Operational Amplifier TLC279 Quad Precision Single Supply Operational Amplifier TLC27L7 Dual Precision Single Supply uPower Operational Amplifier TLC27L9 Quad Precision Single Supply Micropower Operational Amplifier TLC27M7 Dual, precision single supply low-power operational amplifier TLC27M9 Quad, precision single supply low-power operational amplifier TLC4501 Advanced LinEPIC Self-Calibrating (Self-Cal) Precision Single Operational Amplifier TLC4501A Advanced LinEPIC Self-Calibrating (Self-Cal) Precision Operational Amplifier TLC4502 Advanced LinEPIC Self-Calibrating Precision Dual Operational Amplifier TLC4502A Advanced, self-calibrating, precision, dual operational amplifier TLC4502AM Advanced, self-calibrating, precision, dual operational amplifier TLC4502M Advanced LinEPIC Self-Calibrating Precision Dual Operational Amplifier TLE2021 Precision Low-Power Single Supply Operational Amplifier TLE2021-EP Enhanced Product Precision Low-Power Single Supply Operational Amplifier TLE2021-Q1 Automotive excalibur high-speed low-power single operational amplifier TLE2021A Excalibur high-speed low-power single precision operational amplifier TLE2021A-EP Enhanced Product Excalibur High-Speed Low-Power Precision Operational Amplifiers TLE2021A-Q1 Automotive excalibur high-speed low-power single precision operational amplifier TLE2021AM High-Speed, Low-Power, Precision Single Operational Amplifier TLE2021B Excalibur High-Speed Low-Power Precision Operational Amplifier TLE2021M High-Speed, Low-Power, Precision Single Operational Amplifier TLE2021M-MIL High-Speed, Low-Power, Precision Single Operational Amplifier TLE2022 Dual Precision Low-Power Single Supply Operational Amplifier TLE2022-EP Enhanced Product Excalibur High-Speed Low-Power Precision Operational Amplifiers TLE2022-Q1 Automotive excalibur high-speed low-power single dual operational amplifier TLE2022A Excalibur High-Speed Low-Power Precision Dual Operational Amplifier TLE2022A-EP Enhanced Product Excalibur High-Speed Low-Power Precision Operational Amplifiers TLE2022A-Q1 Automotive excalibur high-speed low-power dual precision operational amplifier TLE2022AM High-Speed, Low-Power, Precision Dual Operational Amplifier TLE2022AM-MIL High-Speed, Low-Power, Precision Dual Operational Amplifier TLE2022BM High-Speed, Low-Power, Precision Dual Operational Amplifier TLE2022M Excalibur high-speed low-power precision dual operational amplifier with wide temperature ranges TLE2022M-MIL High-Speed, Low-Power, Precision Dual Operational Amplifier TLE2024A Excalibur high-speed low-power quad precision operational amplifier TLE2024A-EP Enhanced Product Excalibur High-Speed Low-Power Precision Op Amps TLE2024AM High-Speed, Low-Power, Precision Quad Operational Amplifier TLE2024B Excalibur High-Speed Low-Power Precision Quad Operational Amplifier TLE2027 Low-Noise Precision Operational Amplifier TLE2027AM Low-noise, high-speed, precision (25-µV offset) single operational amplifier TLE2027AM-MIL Low-Noise, High-Speed Precision Single Operational Amplifier TLE2027M Low-noise, high-speed, precision (100-µV offset) single operational amplifier TLE2027M-MIL Low-Noise, High-Speed Precision Single Operational Amplifier TLE2037 Low-Noise High-Speed Precision Decomp. Operational Amplifier TLE2037A Excalibur Low-Noise High-Speed Precision Decompensated Operational-Amplifier TLE2037A-Q1 Automotive Excalibur Low-Noise High-Speed Precision Operational Amplifiers TLE2141 Low Noise High-Speed Precision Single Supply Operational Amplifier TLE2141-EP Enhanced Product Excaliber Low-Noise High-Speed Precision Operational Amplifier TLE2141-Q1 Automotive Low-Noise High-Speed Precision Op Amps TLE2141A Excalibur Low-Noise High-Speed Precision Operational Amplifier TLE2141AM High Speed High Drive Precision Operational Amplifier TLE2141M High Speed High Drive Precision Operational Amplifier TLE2141M-D High speed high drive single operational amplifier TLV07 Precision, 36-V, low noise, rail-to-rail output, operational amplifier TLV197-Q1 Automotive, single channel, high-voltage, precision, RRIO op amp TLV2186 Low power,  rail-to-rail input and output, 24-V, zero-drift operational amplifier TLV2197-Q1 Automotive, dual channel, high-voltage, precision, RRIO op amp TLV2252 Dual Rail-To-Rail Low-Voltage Low Power Operational Amplifier TLV2252-Q1 Automotive, advanced LinCMOS™ rail-to-rail very low-power dual operational amplifier TLV2252A Advanced LinCMOS™ rail-to-rail very low-power dual precision operational amplifier TLV2252A-EP Enhanced Product Advanced Lincmos(Tm) Rail-To-Rail Very Low-Power Operational Amplifiers TLV2252A-Q1 Automotive, advanced LinCMOS™ rail-to-rail very low-power dual precision op amp TLV2252AM Low Voltage Rail-To-Rail uPower Precision Advanced LinCMOS™ Dual Operational Amplifier TLV2252M Low Voltage Rail-To-Rail Micropower Advanced LinCMOS™ Dual Operational Amplifier TLV2254 Advanced LinCMOS™ rail-to-rail very low-power quad operational amplifier TLV2254A Quad Low-Voltage Rail-To-Rail Operational Amplifier TLV2254A-EP Enhanced Product Advanced Lincmos(Tm) Rail-To-Rail Very Low-Power Operational Amplifiers TLV2262 Dual Rail-To-Rail Low-Voltage Low-Power Operational Amplifier TLV2262A Dual advanced linCMOS™, 0.2-mA, rail-to-rail operational amplifier TLV2262A-Q1 Dual, automotive precision advanced linCMOS rail-to-rail operational amplifier TLV2262AM Low Voltage Rail-To-Rail Low Power Precision Advanced LinCMOS™ Dual Operational Amplifier TLV2262M Low Voltage Rail-To-Rail Low Power Advanced LinCMOS™ Dual Operational Amplifier TLV2264 Quad Rail-To-Rail Low-Voltage Low-Power Operational Amplifier TLV2264A Quad, advanced linCMOS™, 0.2-mA, rail-to-rail operational amplifier TLV2264A-Q1 Quad, automotive precision advanced linCMOS rail-to-rail operational amplifier TLV2264AM Low Voltage Rail-To-Rail Low Power Precision Advanced LinCMOS™ Quad Operational Amplifier TLV2333 Dual, 350-kHz, low-noise, RRIO, CMOS operational amplifier for cost-sensitive systems TLV2369 Dual, 800-nA 1.8-V RRIO operational amplifier with zero-crossover distortion TLV2376 Dual 5.5-MHz, 100-µV offset, 8-nV/√Hz noise, 815-µA power, precision operational amplifiers TLV2422A Rail-to-Rail Output Wide-Input-Voltage Micropower Dual Op Amps TLV2442 Advanced LinCMOS™ rail-to-rail output wide-input-voltage dual operational amplifier TLV2442A Advanced LinCMOS™ rail-to-rail output wide-input-voltage dual precision op amp TLV2442A-Q1 Automotive, advanced LinCMOS™ rail-to-rail output wide-input-voltage dual precision op amp TLV2442AM Advanced LinCMOS™ Rail-to-Rail Output Wide-Input-Voltage Dual Operational Amplifier TLV2442M Advanced LinCMOS™ Rail-to-Rail Output Wide-Input-Voltage Dual Operational Amplifier TLV2444 Advanced LinCMOS™ rail-to-rail output wide-input-voltage quad operational amplifier TLV2444A Advanced LinCMOS™ rail-to-rail output wide-input-voltage quad precision op amp TLV333 Single, 350-kHz, low-noise, RRIO, CMOS operational amplifier for cost-sensitive systems TLV369 Single, 800-nA, 1.8-V, RRIO op amp with zero-crossover distortion for cost-sensitive application TLV376 5.5-MHz, 100-µV offset, 8-nV/√Hz noise, 815-µA power, precision operational amplifier TLV4197-Q1 Automotive, quad-channel, high-voltage, low-offset, rail-to-rail input output op amp TLV4333 Quad, 350-kHz, low-noise, RRIO, CMOS operational amplifier for cost-sensitive systems TLV4376 Quad 5.5-MHz, 100-µV offset, 8-nV/√Hz noise, 815-µA power, precision operational amplifiers TLV6003 Single ultra-low power (980nA), 16-V precision rail-to-rail input and output operational amplifier TLV8811 Single 425-nA precision nanopower operational amplifier for cost-optimized systems TLV8812 Dual 425-nA precision nanopower operational amplifier for cost-optimized systems
Design tool

CIRCUIT060001 — Single-supply, low-side, unidirectional current-sensing circuit

This single–supply, low–side, current sensing solution accurately detects load current up to 1A and converts it to a voltage between 50mV and 4.9V. The input current range and output voltage range can be scaled as necessary and larger supplies can be used to accommodate larger swings.
User guide: PDF
Design tool

CIRCUIT060002 — Temperature sensing with NTC thermistor circuit

This temperature sensing circuit uses a resistor in series with a negative–temperature–coefficient (NTC) thermistor to form a voltage divider, which has the effect of producing an output voltage that is linear over temperature. The circuit uses an op amp in a non–inverting (...)
User guide: PDF
Design tool

CIRCUIT060003 — Temperature sensing with PTC thermistor circuit

This temperature sensing circuit uses a resistor in series with a positive–temperature–coefficient (PTC) thermistor to form a voltage–divider, which has the effect of producing an output voltage that is linear over temperature. The circuit uses an op amp in a non–inverting (...)
Design tool

CIRCUIT060004 — Low-noise and long-range PIR sensor conditioner circuit

This two stage amplifier design amplifies and filters the signal from a passive infrared (PIR) sensor. The circuit includes multiple low–pass and high–pass filters to reduce noise at the output of the circuit to be able to detect motion at long distances and reduce false triggers. This (...)
Design tool

CIRCUIT060005 — High-side current sensing with discrete difference amplifier circuit

This single–supply, high–side, low–cost current sensing solution detects load current between 50mA and 1A and converters it to an output voltage from 0.25V to 5V. High–side sensing allows for the system to identify ground shorts and does not create a ground disturbance on (...)
User guide: PDF
Design tool

CIRCUIT060006 — Bridge amplifier circuit

A strain gauge is a sensor whose resistance varies with applied force. To measure the variation in resistance, the strain gauge is placed in a bridge configuration. This design uses a 2 op amp instrumentation circuit to amplify a differential signal created by the change in resistance of a strain (...)
Design tool

CIRCUIT060007 — Low-side bidirectional current-sensing circuit

This single-supply, low-side, bidirectional, current-sensing solution can accurately detect load currents from –1 A to 1 A. The linear range of the output is from 110 mV to 3.19 V. Low-side current sensing keeps the common-mode voltage near ground, and is thus most useful in applications with (...)
User guide: PDF
Design tool

CIRCUIT060008 — Full-wave rectifier circuit

This absolute value circuit can turn alternating current (AC) signals to single polarity signals. This circuit functions with limited distortion for ±10-V input signals at frequencies up to 50kHz and for signals as small as ±25mV at frequencies up to 1kHz.
User guide: PDF
Design tool

CIRCUIT060009 — Half-wave rectifier circuit

The precision half-wave rectifier inverts and transfers only the negative-half input of a time varying input signal (preferably sinusoidal) to its output. By appropriately selecting the feedback resistor values, different gains can be achieved. Precision half-wave rectifiers are commonly used with (...)
Design tool

CIRCUIT060010 — PWM generator circuit

This circuit utilizes a triangle wave generator and comparator to generate a 500 kHz pulse-width modulated (PWM) waveform with a duty cycle that is inversely proportional to the input voltage. An op amp and comparator generate a triangle waveform which is applied to the inverting input of a second (...)
User guide: PDF
Design tool

CIRCUIT060011 — Single-supply, second-order, multiple feedback high-pass filter circuit

The multiple-feedback (MFB) high-pass (HP) filter is a 2nd-order active filter. Vref provides a DC offset to accommodate for single-supply applications. This HP filter inverts the signal (Gain = –1 V/V) for frequencies in the pass band. An MFB filter is preferable when the gain is high or (...)
Design tool

CIRCUIT060012 — Single-supply, 2nd-order, multiple feedback low-pass filter circuit

The multiple-feedback (MFB) low-pass filter (LP filter) is a second-order active filter. Vref provides a DC offset to accommodate for single-supply applications. This LP filter inverts the signal (Gain = –1 V/V) for frequencies in the pass band. An MFB filter is preferable when the gain is (...)
Design tool

CIRCUIT060014 — Voltage-to-current (V-I) converter circuit with MOSFET

This single-supply, low-side, V-I converter delivers a well-regulated current to a load which can be connected to a voltage greater than the op amp supply voltage. The circuit accepts an input voltage between 0 V and 2 V and converts it to a current between 0 mA and 100 mA. The current is (...)
User guide: PDF
Design tool

CIRCUIT060016 — Non-inverting microphone pre-amplifier circuit

This circuit uses a non–inverting amplifier circuit configuration to amplify the microphone output signal. This circuit has very good magnitude flatness and exhibits minor frequency response deviations over the audio frequency range. The circuit is designed to be operated from a single 5-V (...)
User guide: PDF
Design tool

CIRCUIT060017 — Dual-supply, discrete, programmable gain amplifier circuit

This circuit provides programmable, non-inverting gains ranging from 6 dB (2 V/V) to 60 dB (1000 V/V) using a variable input resistance. The design maintains the same cutoff frequency over the gain range.
Design tool

CIRCUIT060018 — Photodiode amplifier circuit

This circuit consists of an op amp configured as a transimpedance amplifier for amplifying the light dependent current of a photodiode.
User guide: PDF
Design tool

CIRCUIT060019 — Inverting op amp with non-inverting positive reference voltage circuit

This design uses an inverting amplifier with a non-inverting positive reference voltage to translate an input signal of –1 V to 2 V to an output voltage of 0.05 V to 4.95 V. This circuit can be used to translate a sensor output voltage with a positive slope and negative offset to a usable (...)
Design tool

CIRCUIT060020 — Inverting amplifier circuit

This design inverts the input signal, Vi , and applies a signal gain of –2 V/V. The input signal typically comes from a low-impedance source because the input impedance of this circuit is determined by the input resistor, R1. The common-mode voltage of an inverting amplifier is equal to the (...)
Design tool

CIRCUIT060074 — High-side current sensing with comparator circuit

This high-side, current sensing solution uses one comparator with a rail-to-rail input common mode range to create an over-current alert (OC-Alert) signal at the comparator output (COMP OUT) if the load current rises above 1 A. The OC-Alert signal in this implementation is active low. So when the (...)
Design tool

CIRCUIT060075 — High-speed overcurrent detection circuit

This high-speed, low-side overcurrent detection solution is implemented with a single zero-drift fast-settling amplifier (OPA388) and one high-speed comparator (TLV3201). This circuit is designed for applications that monitor fast current signals and overcurrent events, such as current detection in (...)
Design tool

SBOC517 Simulation for Photodiode Amplifier

Supported products & hardware

Supported products & hardware

Products
General-purpose op amps
OPA322 Single, 5.5-V, 20-MHz, 65-mA output current, low noise (8.5-nV/√Hz) operational amplifier
Precision op amps (Vos<1mV)
LMP7721 3 Femtoampere Input Bias Current Precision Amplifier
Hardware development
Design tool
CIRCUIT060008 Full-wave rectifier circuit CIRCUIT060018 Photodiode amplifier circuit
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Simulation tool

TINA-TI — SPICE-based analog simulation program

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
User guide: PDF
Package Pins CAD symbols, footprints & 3D models
SOIC (D) 8 Ultra Librarian

Ordering & quality

Information included:
  • RoHS
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  • Device marking
  • Lead finish/Ball material
  • MSL rating/Peak reflow
  • MTBF/FIT estimates
  • Material content
  • Qualification summary
  • Ongoing reliability monitoring
Information included:
  • Fab location
  • Assembly location

Recommended products may have parameters, evaluation modules or reference designs related to this TI product.

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