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INA125 IC – (SMD Package) – Instrumentation Amplifier with Precision Voltage Reference IC

605.00 + GST

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The INA125 SMD 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. A single external resistor sets any gain from 4 to 10,000. The INA125 is laser-trimmed for low offset voltage (250µV), low offset drift (2µV/°C), and high common-mode rejection (100dB at G = 100). It operates on single (+2.7V to +36V) or dual (±1.35V to ±18V) supplies. The voltage reference is externally adjustable with pin selectable voltages of 2.5V, 5V, or 10V, allowing use with a variety of transducers. The reference voltage is accurate to ±0.5% (max) with ±35ppm/°C drift (max). Sleep mode allows shutdown and duty cycle operation to save power. The INA125 is available in 16-pin plastic DIP and SO-16 surface-mount packages and is specified for the –40°C to +85°C industrial temperature range.


  • Low Quiescent Current: 460µa
  • Precision Voltage Reference: 1.24V, 2.5V, 5V Or 10V
  • Sleep Mode
  • Low Offset Voltage: 250µv Max
  • Low Offset Drift: 2µv/°C Max
  • Low Input Bias Current: 20na Max
  • High CMR: 100db Min
  • Low Noise: 38nv/√Hz At F = 1khz
  • Input Protection To ±40V
  • Wide Supply Range Single Supply: 2.7V To 36V Dual Supply: ±1.35V To ±18V
  • 16-PIN DIP And SO-16 SOIC Packages


  • Pressure And Temperature Bridge Amplifiers
  • Industrial Process Control
  • Factory Automation
  • Multi-Channel Data Acquisition
  • Battery Operated Systems
  • General Purpose Instrumentation


Parameter Value
Supply Voltage 36V
Input Signal Voltage  ±40V
Output Short Circuit Continuous
Operating Temperature –55°C to +125°C
Storage Temperature –55°C to +125°C
Lead Temperature DIP +300°C


* product image for illustration purposes only. actual product may vary.


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