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OPA2145 - 5.5-MHz JFET Operational Amplifiers

Download the OPA2145 datasheet PDF. This datasheet also covers the OPA145 variant, as both devices belong to the same 5.5-mhz jfet operational amplifiers family and are provided as variant models within a single manufacturer datasheet.

General 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.

Key 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.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (OPA145-etcTI.pdf) that lists specifications for multiple related part numbers.

Other Datasheets by Texas Instruments

Part Number Description
OPA2140 11-MHz JFET op-amp
OPA2141 JFET Amplifier
OPA210 36-V Operational Amplifiers
OPA211 Precision Operational Amplifier
OPA211-EP Precision Operational Amplifier
OPA211-HT Precision Operational Amplifier
OPA2130 Precision FET-Input Operational Amplifiers
OPA2132 High-Speed FET-Input Operational Amplifiers
OPA2134 High Performance Audio Operational Amplifiers
OPA2156 Operational Amplifier

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
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.