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OPA857 - Selectable-Feedback Resistance Transimpedance Amplifier

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Datasheet Details

Part number OPA857
Manufacturer Texas Instruments
File Size 1.56 MB
Description Selectable-Feedback Resistance Transimpedance Amplifier
Datasheet download datasheet OPA857 Datasheet

General Description

The OPA857 is a wideband, fast overdrive recovery, fast-settling, ultralow-noise transimpedance amplifier targeted at photodiode monitoring applications.

With selectable feedback resistance, the OPA857 simplifies the design of high-performance optical systems.

Overview

Product Folder Sample & Buy Technical Documents Tools & Software Support & Community OPA857 SBOS630D – DECEMBER 2013 – REVISED AUGUST 2016 OPA857 Ultralow-Noise, Wideband, Selectable-Feedback Resistance Transimpedance.

Key Features

  • 1 Internal Midscale Reference Voltage.
  • Pseudo-Differential Output Voltage.
  • Wide Dynamic Range.
  • Closed-Loop Transimpedance Bandwidth:.
  • 125 MHz (5-kΩ Transimpedance Gain, 1.5-pF External Parasitic Capacitance).
  • 105 MHz (20-kΩ Transimpedance Gain, 1.5-pF External Parasitic Capacitance).
  • Ultralow Input-Referred Current Noise (Brickwall Filter BW = 135 MHz): 15 nARMS (20-kΩ Transimpedance).
  • Very Fast Overload Recovery Time: < 25.

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