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ANALOG SIGNAL PROCESSOR
with BALANCE TRIM and VARIABLE GAIN
ET2010
FEATURES
• Single supply operation • Handles Sine/Cosine inputs from DC to 125KHz • Photodiode input photocurrent range from
100nA • Adjustable gain • DC offset adjustable at each output • Interfaces directly with ET2015, ET2024, or
ET2110 Interpolation devices • ESD protection to 2kV
BLOCK DIAGRAM
DESCRIPTION
The ET2010 ASP is a monolithic bipolar ASIC designed to transform nanoamp-level differential photocurrents into 1Vpp sinewaves that are suitable for interpolation. A gain adjustment is provided that affects all channels in concert. Separate balance adjustments are provided for each output, for centering the waveforms on the reference voltage.