GENERAL DESCRIPTION
The AD72801 contains all the functions required for general purpose monitoring of stacked Lithium Ion batteries as used in Hybrid Electric Vehicles. The part has multiplexed analog input and temperature measurement channels for up to six cells of battery management. An internal 3-ppm reference is provided to drive the ADC. The ADC resolution is 12 bits with a 1 Msps throughput rate offering a 1µs conversion time.

FEATURES
   12-bit ADC, 1us per channel conversion time
   6 Analog Input Channels, CM range 0.5V to 27.5V
   6 Temperature Measurements Inputs.
   On Chip Voltage Regulator
   Cell Balancing Interface
   Daisy Chain Interface
   3 ppm Reference
   Low Quiescent Current
   High Input Impedance
   Serial Interface with Alert Function
   1 SPI interface for up to 300 channels
   On Chip Registers for Channel Sequencing
   VDD Operating Range 7.5V to 30V
   Temperature Range -40 oC to 105oC
   48 lead LQFP and LFCSP Packages
  
APPLICATIONS
   Lithium Ion Battery Monitoring
   Nickel Metal Hydride Battery Monitoring