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Number of channels 1 Vs (max) (V) 36 Vs (min) (V) 2.7 Input offset (±) (max) (µV) 250 Voltage gain (min) (V/V) 4 Voltage gain (max) (V/V) 10000 Noise at 1 kHz (typ) (nV√Hz) 0.8 Features Overvoltage protection CMRR (min) (dB) 107 Input offset drift (±) (max) (V/°C) 0.000002 Input bias current (±) (max) (nA) 25 Iq (typ) (mA) 0.46 Bandwidth at min gain (typ) (MHz) 0.15 Gain error (±) (max) (%) 0.5 Operating temperature range (°C) to Rating Catalog Type Resistor Gain nonlinearity (±) (max) (%) 0.004 Output swing headroom (to negative supply) (typ) (V) 0.4 Output swing headroom (to positive supply) (typ) (V) -0.9 Input common mode headroom (to negative supply) (typ) (V) 4.3 Input common mode headroom (to positive supply) (typ) (V) -4.8 Noise at 0.1 Hz to 10 Hz (typ) (µVPP) 0.8
Number of channels 1 Vs (max) (V) 36 Vs (min) (V) 2.7 Input offset (±) (max) (µV) 250 Voltage gain (min) (V/V) 4 Voltage gain (max) (V/V) 10000 Noise at 1 kHz (typ) (nV√Hz) 0.8 Features Overvoltage protection CMRR (min) (dB) 107 Input offset drift (±) (max) (V/°C) 0.000002 Input bias current (±) (max) (nA) 25 Iq (typ) (mA) 0.46 Bandwidth at min gain (typ) (MHz) 0.15 Gain error (±) (max) (%) 0.5 Operating temperature range (°C) to Rating Catalog Type Resistor Gain nonlinearity (±) (max) (%) 0.004 Output swing headroom (to negative supply) (typ) (V) 0.4 Output swing headroom (to positive supply) (typ) (V) -0.9 Input common mode headroom (to negative supply) (typ) (V) 4.3 Input common mode headroom (to positive supply) (typ) (V) -4.8 Noise at 0.1 Hz to 10 Hz (typ) (µVPP) 0.8
DIESALE (TD) See data sheet
  • Low Quiescent Current
  • Sleep Mode
  • Precision Voltage Reference
  • Low Offset Voltage
  • Low Offset Drift
  • Low Input Bias Current
  • High CMR
  • Low Noise
  • Input Protection
  • Wide Supply Range
  • Low Quiescent Current
  • Sleep Mode
  • Precision Voltage Reference
  • Low Offset Voltage
  • Low Offset Drift
  • Low Input Bias Current
  • High CMR
  • Low Noise
  • Input Protection
  • Wide Supply Range

The INA125 is a low power, high accuracy instrumentation amplifier with a precision voltage reference. It provides complete bridge excitation and precision differential-input amplification on a single integrated circuit.

The voltage reference is externally adjustable with pin-selectable voltages, allowing use with a variety of transducers. Sleep mode allows shutdown and duty cycle operation to save power.

The INA125 is a low power, high accuracy instrumentation amplifier with a precision voltage reference. It provides complete bridge excitation and precision differential-input amplification on a single integrated circuit.

The voltage reference is externally adjustable with pin-selectable voltages, allowing use with a variety of transducers. Sleep mode allows shutdown and duty cycle operation to save power.

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* Data sheet INA125-DIE Instrumentation Amplifier With Precision Voltage Reference datasheet 04 Sep 2012
Application note Importance of Input Bias Current Return Paths in Instrumentation Amplifier Apps PDF | HTML 27 Jul 2021

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