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ANALOG DEVICES INC. ADA4355 Photodetector Receiver μModule | Featured Product Spotlight

February 21, 2021 by Mouser Electronics

This Featured Product Spotlight is part of a video series exploring the specifications, applications, and market context of new products.

ANALOG DEVICES INC. ADA4355 Photodetector Receiver μModule

Analog Devices’ ADA4355 Photodetector Receiver µModule® is a high-performance and space-saving current-to-bits data acquisition solution supporting small form factor devices, optical modules, and multichannel systems. 

The ADA4355 is a complete solution that integrates all active and passive components, including supply decoupling.  It integrates a high-speed transimpedance amplifier with three selectable gain settings for maximum dynamic range, with the ability to set TZ to 2kΩ, 20kΩ, or 200kΩ.  It also has a low-pass filter for noise reduction and anti-aliasing, with a selectable cutoff frequency at 1MHz or 100MHz.  The device includes a 14-bit 125MSPS ADC for the conversion and a 1.8V LDO for the ADC.  

In terms of performance, this configuration allows the ADA4355 to measure input currents from picoamps to microamps, with a full-scale input current range of 800µA and fast recovery from input overloading.  The device supports pulse widths down to 10ns to detect closely spaced events in time of flight and other reflectometry applications, and can detect more closely spaced events using clock phase shifting.  It provides data over a serial LVDS output with 2 lanes at up to 1Gbps per lane, while a SPI interface is used for control. 

The ADA4355 is housed in a 12mm x 6mm CSP_BGA package, providing 75% space savings compared to a discrete solution.  It consumes just 546mW of quiescent power with the LDO enabled and can operate from -40°C to +85°C.  To learn more about the capabilities and benefits of Analog Devices’ ADA4355 Photodetector Receiver µModule, visit

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