The HX11AA is a 12-bit, pseudo-differential 100ksps SAR analog to digital converter. Suitable in environments up to 125°C, the ADC is optimized to provide high accuracy conversion of analog signals into the digital domain for further processing. Options include a 16 channel MUX.

Recommended for new designs

Block Diagram

  • •12-bits accuracy: ± 1LSB maximum DNL
  • •Guaranteed monotonicity
  • •Input Range of 0V to analog supply
  • •Sampling Rate: Up to 100ksps
  • •3.3V analog supply, 1.8V digital supply
  • •Extended Temp Range: -40°C to 125°C
Datasheet Brief


Application Note


  • •Calibration & tuning functions
  • •Control loops
  • •Sensor interfaces

Macro Cells

Part NumberSupplyResolutionSample RateMUXTemp RangeDimensionsStatus
HX11AAEA-013.3V12-bits100kspsN/A-40°C to 125°C335um x 600umAlpha
HX11AAEA-023.3V12-bits100ksps16-40°C to 125°C335um x 600umAlpha