The DDC114 is a 20-bit, quad channel, current-input analog-to-digital (A/D) converter. It combines both current-to-voltage and A/D conversion so that four low-level current output devices, such as photodiodes, can be directly connected to its inputs and digitized.
FEATURES
SINGLE-CHIP SOLUTION TO DIRECTLY MEASURE FOUR LOW-LEVEL CURRENTS
HIGH PRECISION, TRUE INTEGRATING FUNCTION
INTEGRAL LINEARITY: ±0.01% of Reading ±0.5ppm of FSR
