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OPA4189 Datasheet Operational Amplifiers

Manufacturer: Texas Instruments

Download the OPA4189 datasheet PDF. This datasheet also includes the OPA189 variant, as both parts are published together in a single manufacturer document.

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Note: The manufacturer provides a single datasheet file (OPA189-etcTI.pdf) that lists specifications for multiple related part numbers.

General Description

The OPA189, OPA2189, and OPA4189 (OPAx189) high-precision operational amplifiers are ultra-low noise, fast-settling, zero-drift devices that provide railto-rail output operation and

Overview

OPA189, OPA2189, OPA4189 SBOS830I – SEPTEMBER 2017 – REVISED OCTOBER 2021 OPAx189 Precision, Lowest-Noise, 36-V, Zero-Drift, 14-MHz, MUX-Friendly, Rail-to-Rail Output Operational Amplifiers.

Key Features

  • Ultra-high precision:.
  • Zero-drift: 0.005 μV/°C (OPA189).
  • Ultra-low offset voltage: 3 μV maximum (OPA189).
  • Excellent dc precision:.
  • CMRR: 168 dB.
  • Open-loop gain: 170 dB.
  • Low noise:.
  • en at 1 kHz: 5.2 nV/√Hz.
  • 0.1-Hz to 10-Hz noise: 0.1 µVPP.
  • Excellent dynamic performance:.
  • Gain bandwidth: 14 MHz.
  • Slew rate: 20 V/µs.
  • Fast settling: 10-V step, 0.01% in 1.1 µs.
  • Robust design:.

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