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ADA4351-2 Datasheet Programmable Gain Transimpedance Amplifier

Manufacturer: Analog Devices

Overview: Data Sheet ADA4351-2 Compact, Dual-Channel, Precision, Programmable Gain Transimpedance Amplifier.

General Description

► Small, dual-channel, complete PGTIA and AFE solution ► Small size package:16-lead LFCSP, 3 mm × 3 mm ► Integrated switches, 2 external gains per channel ► Wide input current dynamic range from picoamps to milliamps ► Excellent DC precision ► Low offset voltage: ±100 μV maximum, 25°C ► Low offset voltage drift: ±0.85 μV/°C maximum, −40°C to +125°C ► Low input bias current: ±9 pA maximum, 25°C ► Low switch off leakage current : ±90 pA maximum (−40°C to +125°C) ► New integrated architecture eliminates gain error due to switch resistance ► Single-supply operation: +2.7 V to +5.5 V (dual-supply operation: ±1.85 V to ±2.75 V) ► Wide gain bandwidth product: 8.5 MHz ► Wide operating temperature range: −40°C to +125°C APPLICATIONS ► Precision current to voltage (I to V) conversion ► Programmable gain TIAs ► Photodetector interface and amplification ► Optical networking equipment ► Optical power measurement ► Instrumentation—spectroscopy and chromatography ► Precision data acquisition systems (DAQ) The ADA4351-2 is a compact, monolithic, dual-channel, precision, programmable gain transimpedance amplifier (PGTIA).

The ADA4351-2 is a breakthrough solution for precisely measuring small currents over a wide dynamic range.

The precision of the ADA4351-2 over a wide temperature range of −40°C to +125°C enables users to perform one calibration of the end equipment at room temperature, thereby saving test time and cost.