GENERAL DESCRIPTION
The AD7651 is a 16-bit, 100 kSPS, charge redistribution SAR analog-to-digital converter that operates from a single 5 V power supply. The part contains a high speed 16-bit sampling ADC, an internal conversion clock, internal reference, error correction circuits, and both serial and parallel system interface ports.

FEATURES
   Throughput: 100 kSPS
   16-bit resolution
   Analog input voltage range: 0 V to 2.5 V
   No pipeline delay
   Parallel and serial 5 V/3 V interface
   SPI®/QSPI™/MICROWIRE™/DSP compatible
   Single 5 V supply operation
   Power dissipation
      16 mW typ, 160 µW @ 1 kSPS without REF
      38 mW typ with REF
   48-lead LQFP and 48-lead LFCSP packages
   Pin-to-pin compatible with PulSAR ADCs
  
APPLICATIONS
   Data acquisition
   Instrumentation
   Digital signal processing
   Spectrum analysis
   Medical instruments
   Battery-powered systems
   Process control