GENERAL DESCRIPTION
The AD7327 1 is an 8-channel, 12-bit plus sign successive approximation ADC designed on the iCMOS (industrial CMOS) process. iCMOS is a process combining high voltage silicon with submicron CMOS and complementary bipolar technologies. It enables the development of a wide range of high performance analog ICs capable of 33 V operation in a footprint that no previous generation of high voltage parts could achieve. Unlike analog ICs using conventional CMOS processes, iCMOS components can accept bipolar input signals while providing increased performance, dramatically reduced power consumption, and reduced package size.

FEATURES
  12-bit plus sign SAR ADC
  True bipolar input ranges
  Software-selectable input ranges ±10 V, ±5 V, ±2.5 V, 0 V to +10 V
  500 kSPS throughput rate
  Eight analog input channels with channel sequencer
  Single-ended, true differential, and pseudo differential analog input capability
  High analog input impedance
  Low power: 17 mW
  Temperature indicator
  Full power signal bandwidth: 22 MHz
  Internal 2.5 V reference
  High speed serial interface
  Power-down modes
  20-lead TSSOP package
  iCMOS™ process technology