INA118U - 

Instrument Amplifier, 1 Amplifier, 125 µV, 0.09 V/µs, 800 kHz, ± 1.35V to ± 18V, SOIC

INA118U - Instrument Amplifier, 1 Amplifier, 125 µV, 0.09 V/µs, 800 kHz, ± 1.35V to ± 18V, SOIC

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Newark Part No.:
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Product Overview

The INA118U is a low power, general purpose Instrumentation Amplifier offers excellent accuracy. Its versatile 3 operational amplifier design and small size make it ideal for a wide range of applications. Current-feedback input circuitry provides wide bandwidth even at high gain (70kHz at G = 100). A single external resistor sets any gain from 1 to 10,000. Internal input protection can withstand up to ±40V without damage. The INA118U is laser trimmed for very low offset voltage (50μV), drift (0.5μV/°C) and high common-mode rejection (110dB at G = 1000). It operates with power supplies as low as ±1.35V and quiescent current is only 350μA - ideal for battery-operated systems.
  • 50mV Maximum low offset voltage
  • 0.5mV/°C Maximum low drift
  • 5nA Maximum low input bias current
  • 110dB Minimum high CMR
  • Inputs protected to ±40V
  • 350mA Low quiescent current
  • Green product and no Sb/Br


Test & Measurement, Sensing & Instrumentation, Medical


Device has limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

Product Information

1 Amplifier
± 1.35V to ± 18V
Single Ended
MSL 3 - 168 hours
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