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OPA627 - High-Speed JFET Operational Amplifiers

General Description

The OPA627 and OPA637 (OPA6x7) operational amplifiers (op amps) provide a new level of performance in a precision FET operational amplifier.

When compared to the popular OPA111 op amp, the OPA6x7 have lower noise, lower offset voltage, and higher speed.

Key Features

  • Very low noise: 4.5nV/√Hz at 10kHz.
  • Fast settling time:.
  • OPA627: 550ns to 0.01%.
  • OPA637: 450ns to 0.01%.
  • Low VOS: 100µV maximum.
  • Low drift: 0.8µV/°C maximum.
  • Low IB: 5pA maximum.
  • Gain options:.
  • OPA627: Unity-gain stable.
  • OPA637: Stable in gain ≥ 5 2.

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Other Datasheets by Texas Instruments

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OPA62 High-Speed JFET Operational Amplifiers
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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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OPA627, OPA637 SBOS165C – AUGUST 2000 – REVISED JANUARY 2025 OPA6x7 Precision, High-Speed JFET Operational Amplifiers 1 Features • Very low noise: 4.5nV/√Hz at 10kHz • Fast settling time: – OPA627: 550ns to 0.01% – OPA637: 450ns to 0.01% • Low VOS: 100µV maximum • Low drift: 0.8µV/°C maximum • Low IB: 5pA maximum • Gain options: – OPA627: Unity-gain stable – OPA637: Stable in gain ≥ 5 2 Applications • Precision instrumentation • Fast data acquisition • DAC output amplifier • Optoelectronics • Sonar, ultrasound • High-impedance sensor amps • High-performance audio circuitry • Active filters Input R4 2.