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OPA145 - 5.5-MHz JFET Operational Amplifiers

Description

The OPA145 and OPA2145 (OPAx145) devices are part of a family of low-power JFET input amplifier that have excellent drift, low current noise, and picoampere input bias current.

Features

  • Best bandwidth and slew-rate-to-power ratio:.
  • gain-bandwidth product: 5.5 MHz.
  • Slew rate: 20 V/μs.
  • Low supply current: 475 µA (maximum).
  • High precision:.
  • Very low offset: 150 μV (maximum).
  • Very low offset drift: 1 μV/°C (maximum).
  • Low input bias current: 2 pA.
  • Excellent noise performance:.
  • Very low voltage noise: 7 nV/√Hz.
  • Very low current noise: 0.8 fA/√ Hz.
  • Input-voltage range includes.

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Other Datasheets by Texas Instruments

Part Number Description
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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.

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OPA145, OPA2145 SBOS427F – JUNE 2017 – REVISED MARCH 2021 OPAx145 High-Precision, Low-Noise, Rail-to-Rail Output, 5.5-MHz JFET Operational Amplifiers 1 Features • Best bandwidth and slew-rate-to-power ratio: – gain-bandwidth product: 5.5 MHz – Slew rate: 20 V/μs – Low supply current: 475 µA (maximum) • High precision: – Very low offset: 150 μV (maximum) – Very low offset drift: 1 μV/°C (maximum) • Low input bias current: 2 pA • Excellent noise performance: – Very low voltage noise: 7 nV/√Hz – Very low current noise: 0.8 fA/√ Hz • Input-voltage range includes V– supply • Single-supply operation: 4.5 V to 36 V • Dual-supply operation: ±2.
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