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OPA990 - Low-Power OpAmp

Download the OPA990 datasheet PDF. This datasheet also covers the OPA2990 variant, as both devices belong to the same low-power opamp family and are provided as variant models within a single manufacturer datasheet.

General 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).

Key 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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (OPA2990-etcTI.pdf) that lists specifications for multiple related part numbers.

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Other Datasheets by Texas Instruments

Part Number Description
OPA991 Low-Noise OpAmp
OPA991-Q1 Low Noise Op Amp
OPA992-Q1 Low Noise Op Amp
OPA928 Operational Amplifier
OPA130 Precision FET-Input Operational Amplifiers

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
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.