• 4-channel Current-to-Digital Converter (ADC) with I²C Control / Output
  • 16-bit (internal 20 bit) digital serial output
  • Dynamic range 1: 1.000.000 (in combination with AS73210)
  • 16-bit/400kHz fast I²C interface with programmable slave addresses
  • Automatic power down (sleep function)
  • Scaling the internal 20-bit per shifter on 16-bit output
  • Temperature compensation on chip


  • Conversion of 4 sensor signals of photodiodes or other sensors with current signal output
  • High linearity of amplifying, no cross talking
  • High absolute accuracy without additional sources
  • High reliability internal reference source generation
  • Low power consumption

Product parameters

Interface16-bit/400kHz fast I²C interface
ProgrammableGain, integration time, 16-bit output via shifter, interrupt
Sensitivityup to 20 fA/LSB
Input Current20nA - 5µA
Signal Frequencies1ms to 1s
Supply Voltage2.7 to 3.6
Size4.80 x 5.79 x 1.35
Temperature Range-40 to 125