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OPA857 Datasheet Selectable-Feedback Resistance Transimpedance Amplifier

Manufacturer: Texas Instruments

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.

Very fast overload recovery time and internal input protection provide the best combination to protect the remainder of the signal chain from overdrive while minimizing recovery time.

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.