OPA857

The OPA857 is Selectable-Feedback Resistance Transimpedance Amplifier designed by Texas Instruments.

Product Overview

Texas Instruments

Datasheet Details

Part number	OPA857
Manufacturer	Texas Instruments
File Size	1.56 MB
Description	Selectable-Feedback Resistance Transimpedance Amplifier
Datasheet	OPA857-etcTI.pdf
Additional preview pages of the OPA857 datasheet.

Product details

Description

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

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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Published: May 26, 2020 |