GENERAL DESCRIPTION
The AD9231 is a monolithic, dual-channel, 1.8 V supply, 12-bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS analog-to-digital converter (ADC). It features a high performance sample-and-hold circuit and on-chip voltage reference.

FEATURES
   1.8 V analog supply operation
   1.8 V to 3.3 V output supply
   SNR
      71.3 dBFS at 9.7 MHz input
      69.0 dBFS at 200 MHz input
   SFDR
      93 dBc at 9.7 MHz input
      83 dBc at 200 MHz input
   Low power
      32 mW per channel at 20 MSPS
      71 mW per channel at 80 MSPS
   Differential input with 700 MHz bandwidth
   On-chip voltage reference and sample-and-hold circuit
   2 V p-p differential analog input
   DNL = ±0.40 LSB
   Serial port control options
      Offset binary, gray code, or twos complement data format
      Optional clock duty cycle stabilizer
      Integer 1-to-8 input clock divider
      Data output multiplex option
      Built-in selectable digital test pattern generation
      Energy-saving power-down modes
      Data clock out with programmable clock and data alignment

APPLICATIONS
   Communications
   Diversity radio systems
   Multimode digital receivers
      GSM, EDGE, W-CDMA, LTE, CDMA2000, WiMAX, TD-SCDMA
   I/Q demodulation systems
   Smart antenna systems
   Battery-powered instruments
   Hand held scope meters
   Portable medical imaging
   Ultrasound
   Radar/LIDAR