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OPA4228 - Low Noise Operational Amplifier

This page provides the datasheet information for the OPA4228, a member of the OPA227 Low Noise Operational Amplifier family.

Datasheet Summary

Description

The OPAx227 and OPAx228 series operational amplifiers combine low noise and wide bandwidth with high precision to make them an excellent choice for applications requiring both ac and precision dc performance.

Features

  • Low noise: 3 nV/√Hz.
  • Wide bandwidth:.
  • OPA227: 8 MHz, 2.3 V/μs.
  • OPA228: 33 MHz, 10 V/μs.
  • Settling time: 5 μs.
  • High CMRR: 138 dB.
  • High open-loop gain: 160 dB.
  • Low input bias current: 10 nA maximum.
  • Low offset voltage: 75 µV maximum.
  • Wide supply range: ±2.5 V to ±18 V.
  • Single, dual, and quad versions 2.

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Datasheet preview – OPA4228

Datasheet Details

Part number OPA4228
Manufacturer Texas Instruments
File Size 1.83 MB
Description Low Noise Operational Amplifier
Datasheet download datasheet OPA4228 Datasheet
Additional preview pages of the OPA4228 datasheet.

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Full PDF Text Transcription

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OPA227, OPA2227, OPA4227 OPA228, OPA2228, OPA4228 SBOS110C – MAY 1998 – REVISED MARCH 2023 OPAx227, OPAx228 High-Precision, Low-Noise Operational Amplifiers 1 Features • Low noise: 3 nV/√Hz • Wide bandwidth: – OPA227: 8 MHz, 2.3 V/μs – OPA228: 33 MHz, 10 V/μs • Settling time: 5 μs • High CMRR: 138 dB • High open-loop gain: 160 dB • Low input bias current: 10 nA maximum • Low offset voltage: 75 µV maximum • Wide supply range: ±2.5 V to ±18 V • Single, dual, and quad versions 2 Applications • Data acquisition (DAQ) • Condition monitoring sensor • Spectrum analyzer • Professional audio amplifier (rack mount) • Industrial AC-DC 100k Input-Referred Voltage Noise (nV/√Hz) Input-Referred Current Noise (fA/√Hz) 10k 1k Current Noise 100 10 Voltage Noise 1 0.
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