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OPA2828 Datasheet JFET-input Operational Amplifiers

Manufacturer: Texas Instruments

Overview: OPA828, OPA2828 SBOS671D – SEPTEMBER 2018 – REVISED DECEMBER 2022 OPAx828 Low-Offset, Low-Drift, Low-Noise, 45-MHz, 36-V, JFET-Input Operational Amplifiers Open Loop Gain (db) Phase (q).

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The OPA828 and OPA2828 (OPAx828) JFET input operational amplifiers are the next generation OPA627 and OPA827, bining high speed with high dc precision and ac performance.

These op amps supply low offset voltage, low drift over temperature, low bias current, and low noise with only 60-nVRMS 0.1-Hz to 10-Hz noise.

The OPAx828 operate over a wide supply-voltage range of ±4 V to ±18 V and a supply current of 5.5 mA/channel, typical.

Key Features

  • Low input voltage noise density: 4 nV/√Hz at 1 kHz.
  • Input voltage noise: 0.1 Hz to 10 Hz: 60 nVRMS.
  • Low input bias current:.
  • 0.1 pA (DGN).
  • 1 pA (D).
  • Input offset voltage:.
  • 25 μV (DGN).
  • 50 μV (D).
  • Input offset drift:.
  • 0.2 μV/°C (DGN).
  • 0.45 μV/°C (D).
  • MUX-friendly inputs.
  • Gain bandwidth: 45 MHz.
  • Slew rate: 150 V/μs.
  • 14-bit settling time: 120 ns.
  • Overload.

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