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OPA735

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Single 0.05uV/degC (max) single-supply CMOS operational amplifier, zero-drift series

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Data sheet

OPA735

ACTIVE
Data sheet Order now

Product details

Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.7 Vos (offset voltage at 25°C) (max) (mV) 0.005 GBW (typ) (MHz) 1.6 Features Zero Drift Slew rate (typ) (V/µs) 1.5 Rail-to-rail In to V-, Out Offset drift (typ) (µV/°C) 0.01 Iq per channel (typ) (mA) 0.6 Vn at 1 kHz (typ) (nV√Hz) 135 CMRR (typ) (dB) 130 Rating Catalog Operating temperature range (°C) -40 to 85 Input bias current (max) (pA) 200 Iout (typ) (A) 0.02 Architecture CMOS Input common mode headroom (to negative supply) (typ) (V) -0.1 Input common mode headroom (to positive supply) (typ) (V) -1.5 Output swing headroom (to negative supply) (typ) (V) 0.02 Output swing headroom (to positive supply) (typ) (V) -0.02
Number of channels 1 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 12 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 2.7 Vos (offset voltage at 25°C) (max) (mV) 0.005 GBW (typ) (MHz) 1.6 Features Zero Drift Slew rate (typ) (V/µs) 1.5 Rail-to-rail In to V-, Out Offset drift (typ) (µV/°C) 0.01 Iq per channel (typ) (mA) 0.6 Vn at 1 kHz (typ) (nV√Hz) 135 CMRR (typ) (dB) 130 Rating Catalog Operating temperature range (°C) -40 to 85 Input bias current (max) (pA) 200 Iout (typ) (A) 0.02 Architecture CMOS Input common mode headroom (to negative supply) (typ) (V) -0.1 Input common mode headroom (to positive supply) (typ) (V) -1.5 Output swing headroom (to negative supply) (typ) (V) 0.02 Output swing headroom (to positive supply) (typ) (V) -0.02
SOIC (D) 8 29.4 mm² 4.9 x 6 SOT-23 (DBV) 5 8.12 mm² 2.9 x 2.8
  • LOW OFFSET VOLTAGE: 5µV (max)
  • ZERO DRIFT: 0.05µV/°C max
  • QUIESCENT CURRENT: 750µA (max)
  • SINGLE-SUPPLY OPERATION
  • LOW BIAS CURRENT: 200pA (max)
  • SHUTDOWN
  • MicroSIZE PACKAGES
  • WIDE SUPPLY RANGE: 2.7V to 12V
  • APPLICATIONS
    • TRANSDUCER APPLICATIONS
    • TEMPERATURE MEASUREMENTS
    • ELECTRONIC SCALES
    • MEDICAL INSTRUMENTATION
    • BATTERY-POWERED INSTRUMENTS
    • HANDHELD TEST EQUIPMENT

All trademarks are the property of their respective owners.
  • LOW OFFSET VOLTAGE: 5µV (max)
  • ZERO DRIFT: 0.05µV/°C max
  • QUIESCENT CURRENT: 750µA (max)
  • SINGLE-SUPPLY OPERATION
  • LOW BIAS CURRENT: 200pA (max)
  • SHUTDOWN
  • MicroSIZE PACKAGES
  • WIDE SUPPLY RANGE: 2.7V to 12V
  • APPLICATIONS
    • TRANSDUCER APPLICATIONS
    • TEMPERATURE MEASUREMENTS
    • ELECTRONIC SCALES
    • MEDICAL INSTRUMENTATION
    • BATTERY-POWERED INSTRUMENTS
    • HANDHELD TEST EQUIPMENT

All trademarks are the property of their respective owners.

The OPA734 and OPA735 series of CMOS operational amplifiers use auto-zeroing techniques to simultaneously provide low offset voltage (5µV max), and near-zero drift over time and temperature. These miniature, high-precision, low quiescent current amplifiers offer high input impedance and rail-to-rail output swing within 50mV of the rails. Either single or bipolar supplies can be used in the range of +2.7V to +12V (±1.35V to ±6V). They are optimized for low-voltage, single-supply operation.

The OPA734 family includes a shutdown mode. Under logic control, the amplifiers can be switched from normal operation to a standby current that is 9µA (max) and the output placed in a high-impedance state.

The single version is available in the MicroSIZE SOT23-5 (SOT23-6 for shutdown version) and the SO-8 packages. The dual version is available in the MSOP-8 and SO-8 packages (MSOP-10 only for the shutdown version). All versions are specified for operation from –40°C to +85°C.

The OPA734 and OPA735 series of CMOS operational amplifiers use auto-zeroing techniques to simultaneously provide low offset voltage (5µV max), and near-zero drift over time and temperature. These miniature, high-precision, low quiescent current amplifiers offer high input impedance and rail-to-rail output swing within 50mV of the rails. Either single or bipolar supplies can be used in the range of +2.7V to +12V (±1.35V to ±6V). They are optimized for low-voltage, single-supply operation.

The OPA734 family includes a shutdown mode. Under logic control, the amplifiers can be switched from normal operation to a standby current that is 9µA (max) and the output placed in a high-impedance state.

The single version is available in the MicroSIZE SOT23-5 (SOT23-6 for shutdown version) and the SO-8 packages. The dual version is available in the MSOP-8 and SO-8 packages (MSOP-10 only for the shutdown version). All versions are specified for operation from –40°C to +85°C.
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* Data sheet 0.05µV/°C max, Single-Supply CMOS Operational Amplifier Zero-Drift datasheet (Rev. B) 21 Feb 2005
Application brief Offset Correction Methods: Laser Trim, e-Trim, and Chopper (Rev. C) PDF | HTML 13 Apr 2021
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 Mar 2017

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