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OPA990 - Low-Power OpAmp

This page provides the datasheet information for the OPA990, a member of the OPA2990 Low-Power OpAmp family.

Datasheet Summary

Description

The OPAx990 family (OPA990, OPA2990, and OPA4990) is a family of high voltage (40 V) general purpose operational amplifiers.

These devices offer excellent DC precision and AC performance, including rail-to-rail input/output, low offset (±300 µV, typ), and low offset drift (±0.6 µV/°C, typ).

Features

  • Low offset voltage: ±300 µV.
  • Low offset voltage drift: ±0.6 µV/°C.
  • Low noise: 30 nV/√Hz at 1 kHz.
  • High common-mode rejection: 115 dB.
  • Low bias current: ±10 pA.
  • Rail-to-rail input and output.
  • MUX-friendly/comparator inputs.
  • Amplifier operates with differential inputs up to supply rail.
  • Amplifier can be used in open-loop or as comparator.
  • Wide bandwidth: 1.1-MHz GBW.
  • High slew rate: 4.5 V/µs.

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Datasheet preview – OPA990

Datasheet Details

Part number OPA990
Manufacturer Texas Instruments
File Size 5.99 MB
Description Low-Power OpAmp
Datasheet download datasheet OPA990 Datasheet
Additional preview pages of the OPA990 datasheet.

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Full PDF Text Transcription

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OPA990, OPA2990, OPA4990 SBOS933I – FEBRUARY 2019 – REVISED AUGUST 2021 OPAx990 40-V Rail-to-Rail Input/Output, Low Offset Voltage, Low Power Op Amp 1 Features • Low offset voltage: ±300 µV • Low offset voltage drift: ±0.6 µV/°C • Low noise: 30 nV/√Hz at 1 kHz • High common-mode rejection: 115 dB • Low bias current: ±10 pA • Rail-to-rail input and output • MUX-friendly/comparator inputs – Amplifier operates with differential inputs up to supply rail – Amplifier can be used in open-loop or as comparator • Wide bandwidth: 1.1-MHz GBW • High slew rate: 4.5 V/µs • Low quiescent current: 120 µA per amplifier • Wide supply: ±1.35 V to ±20 V, 2.7 V to 40 V • Robust EMIRR performance: 78 dB at 1.
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