Features

• 50 ksps to 1 Msps conversion rate

• 8-to-1-channel input MUX

• 3.3 V operating supply

• Pure CMOS

• Very low consumption

• SPI, serial digital output

• Power-down function

Applications

• Shunt resistor detector

• Analog multiplexing and conversion

• Telemetry

Description

The ADC120 is a low-power, eight-channel pure CMOS 12-bit analog-to-digital converter specified for conversion from 50 ksps to 1 Msps, tested at 1 Msps. The architecture is based on a successive-approximation register with an internal trackand-hold cell. The ADC120 features 8 single ended multiplexed inputs. The output serial data is straight binary and is SPI™ compatible.

The analog and digital power supplies operate from 2.7 V to 3.6 V. The power consumption at 3.3 V nominal supply is as low as 6.6 mW. The ADC120 comes plastic TSSOP-16, and can operates from -40 °C to +125 °C ambient temperature.