GENERAL DESCRIPTION
The AD7994/AD7993 are 4 channel, 12-/10-bit, high speed, low power, successive-approximation ADCs respectively. They operate from a single 2.7 V to 5.5 V power supply and feature a conversion time of 2 µs. The parts contain a four channel multiplexer and track/hold amplifier which can handle input frequencies in excess of TBD kHz.

FEATURES
   12-Bit ADC with Fast Conversion Time: 2 µs
   Four Single-Ended Analog Input Channels
   Specified for VDD of 2.7 V to 5.5 V
   Low Power Consumption
   Fast Throughput Rate:- 188 KSPS
   Sequencer Operation
   Automatic Cycle Mode
   I2CR Compatible Serial Interface
   I2CR Interface supports:
      Standard, Fast, and High-Speed Modes
   Out of Range Indicator/Alert Function
   Pin-Selectable Addressing via AS
   Two Versions Allow Five I2C Addresses
   Shutdown Mode: 1µA max
   16-Lead TSSOP Package