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OPA4191 Datasheet Low Input Bias Current Op Amp

Manufacturer: Texas Instruments

Download the OPA4191 datasheet PDF. This datasheet also includes the OPA191 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (OPA191-etcTI.pdf) that lists specifications for multiple related part numbers.

General Description

The OPAx191 family (OPA191, OPA2191, and OPA4191) is a new generation of 36-V, e-trim™ operational amplifiers.

These devices offer outstanding dc precision and ac performance, including rail-to-rail input/output, low offset voltage (±5 µV, typ), low offset drift (±0.2 µV/°C, typ), and 2-MHz bandwidth.

Unique

Overview

Product Folder Order Now Technical Documents Tools & Software Support & Community OPA191, OPA2191, OPA4191 SBOS701B – DECEMEBER 2015 – REVISED JULY 2019 OPAx191 36-V, Low Power, Precision, CMOS, Rail-to-Rail.

Key Features

  • 1 Low offset voltage: ±5 µV.
  • Low offset voltage drift: ±0.1 µV/°C.
  • Low noise: 15 nV/√Hz at 1 kHz.
  • High common-mode rejection: 140 dB.
  • Low bias current: ±5 pA.
  • Rail-to-rail input and output.
  • Wide bandwidth: 2.5-MHz GBW.
  • High slew rate: 5 V/µs.
  • Low quiescent current: 140 µA per amplifier.
  • Wide supply: ±2.25 V to ±18 V, 4.5 V to 36 V.
  • EMI/RFI filtered inputs.
  • Differential input voltage range.

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