Description: The AD7846JP is a low power, low cost, 12-bit, 4-channel, successive approximation analog-to-digital converter (ADC) with a serial peripheral interface (SPI) compatible serial interface.

Features:

12-bit resolution
4-channel multiplexer
Low power consumption
SPI compatible serial interface
On-chip reference
Low cost
Low power shutdown mode
Low power sleep mode
Low power standby mode
Programmable power-up delay
Programmable conversion rate
Programmable input range
Programmable output format

Applications:

Portable instrumentation
Battery-powered systems
Automotive systems
Data acquisition systems
Industrial process control
Medical instrumentation
Telecommunications systems(For reference only)
https://www.utsource.net/itm/p/18102.html