ADA4355

Data Sheet Programmable Transimpedance, Current to Bits Receiver µModule ADA4355 FEATURES High performance, current input, data acquisition µModule that includes a TIA, analog filter, ADC driver, and ADC 3 selectable TZ settings: 2 kΩ, 20 kΩ, and 200 kΩ Internal 1.8 V LDO for the ADC All passive components including supply decoupling Small form factor: 12.00 mm × 6.00 mm CSP_BGA Operation from a single 3.3 V supply Full-scale input current to 800 µA (TZ = 2 kΩ) Fast input overload recovery High analog input current to 40 mA Analog filter for noise reduction and antialias filtering Selectable 1.0 MHz and 100 MHz LPF bandwidth Low input referred current noise: 16 pA rms TZ = 200 kΩ, 65,536 averages, 1 MHz analog filter Supports input pulse widths down to 10 ns 14-bit ADC with sample rate up to 125 MSPS Serial LVDS data output SPI control interface Quiescent power: 546 mW, LDO enabled Temperature range: −40°C to +85°C APPLICATIONS Current to voltage conversion Chemical analyzers Mass spectroscopy Time of Flight Fiber optic sensing OTDR Optical amplifiers Reconfigurable optical add and drop multiplexers (ROADM) GENERAL DESCRIPTION The ADA4355 is a complete, high performance, current input µModule®. For space savings, the ADA4355 includes all the required active and passive components to realize a complete current to bits data acquisition solution, supporting a small form factor, optical modules as well as multichannel systems. The high speed transimpedance amplifier (TIA) of t...