Analog input module
Products and reference designs
Analog input module
Overview
Our integrated circuits and reference designs enable you to build analog input modules with high-channel density, high common-mode voltages and out-ruling miswiring protection.
Design requirements
Analog input modules often require:
- Increased speed for precision signal chain.
- High voltage analog multiplexer.
- Advanced protection and diagnostics.
Explore applications similar in function and design
Block diagram
Find products and reference designs for your system.
Temperature input module
Temperature input front end
Data converters (6)
Precision ADCs
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ADS1120—16-bit, 2-kSPS, 4-ch, low-power, small-size delta-sigma ADC with PGA, VREF, 2x IDACs & SPI interface
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ADS122U04—24-bit, 2-kSPS, 4-ch, low-power, small-size delta-sigma ADC w/ PGA, VREF, 2x IDACs & UART interface
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ADS1261—24-bit, 40-kSPS, 10-ch delta-sigma ADC with PGA, VREF, IDACs & AC excitation for factory automation
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ADS124S06—24-bit, 4-kSPS, 6-ch delta-sigma ADC with PGA and voltage reference for precision sensor measurement
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ADS124S08—24-bit, 4-kSPS, 12-ch delta-sigma ADC with PGA and voltage reference for sensor measurement
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ADS114S08—16-bit, 4-kSPS, 12-ch delta-sigma ADC with PGA and voltage reference for sensor measurement
Amplifiers (12)
Instrumentation amplifiers
Difference amplifiers
Precision op amps (Vos<1mV)
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OPA2182—Industry’s lowest offset drift (0.012 uV/˚C, max), 5.7 nV/rtHz, MUX-friendly 36V op amp
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OPA2205—Dual, rail-to-rail bipolar precision e-trim™ op amp with low input bias current and low noise
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OPA2320—Dual, precision, zero-crossover, 20-MHz, 0.9-pA Ib, RRIO, CMOS operational amplifier
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OPA2188—0.03µV/°C, 6µV Vos, Low Noise, Rail-to-Rail Output, 36V Zero-Drift Operational Amplifier
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OPA317—Low Offset, Rail-to-Rail I/O Operational Amplifier
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OPA192—High-Voltage, Rail-to-Rail Input/Output, 5µV, 0.2µV/˚C, Precision Operational Amplifier
Comparators
Switches & multiplexers (6)
Analog switches & muxes
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SN74LVC1G3157—5-V, 2:1 (SPDT), 1-channel general-purpose analog switch
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TMUX1136—3-pA on-state leakage current, 5-V, 2:1, 2-channel precision analog switch
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SN74CB3T16211—3.3-V, 1:1 (SPST), 24-channel FET bus switch with level shifter
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SN74CB3T3384—3.3-V, 1:1 (SPST), 10-channel general-purpose FET bus switch with 2 control inputs & level shifter
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SN74LV4051A—5V 8:1 one-channel general-purpose analog multiplexer
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MUX509—6.7-pF on-state capacitance, 36-V, 4:1, 2-channel analog multiplexer
Power management (3)
Series voltage references
Sensors (2)
Digital temperature sensors
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TIDA-00168—Thermocouple AFE Using RTD or Integrated Temperature Sensor for Cold Junction Compensation (CJC)
Application brief
Technical documentation
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