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INA149-EP Datasheet Voltage Difference Amplifier

Manufacturer: Texas Instruments

Overview: INA149-EP www.ti.com SBOS608A – MARCH 2012 – REVISED APRIL 2012 HIGH COMMON-MODE VOLTAGE DIFFERENCE.

General Description

The INA149 is a precision unity-gain difference amplifier with a very high input common-mode voltage range.

It is a single, monolithic device that consists of a precision op amp and an integrated thin-film resistor network.

The INA149 can accurately measure small differential voltages in the presence of common-mode signals up to ±275 V.

Key Features

  • 1.
  • 2 Common-Mode Voltage Range: ±275 V.
  • Minimum CMRR: 84 dB from.
  • 55°C to +125°C.
  • DC Specifications:.
  • Maximum Offset Voltage: 3500 μV.
  • Maximum Gain Error: 0.047%.
  • Maximum Gain Nonlinearity: 0.001% FSR at 25°C.
  • AC Performance:.
  • Bandwidth: 500 kHz.
  • Typical Slew Rate: 5 V/μs.
  • Wide Supply Range: ±2.0 V to ±18 V.
  • Maximum Quiescent Current: 1100 μA.
  • Output Swing on ±15-V Supplies: ±13.5 V.

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