OPA857 Datasheet (Texas Instruments) - Selectable-Feedback Resistance Transimpedance Amplifier

OPA857, Selectable-Feedback Resistance Transimpedance Amplifier

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 in

OPA857 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