GENERAL DESCRIPTION
The AD9640 is a dual 14-bit, 80/105/125/150 MSPS analog-todigital converter (ADC). The AD9640 is designed to support communications applications where low cost, small size, and versatility are desired.

FEATURES
   SNR = 71.8 dBc (72.8 dBFS) to 70 MHz @ 125 MSPS
   SFDR = 85 dBc to 70 MHz @ 125 MSPS
   Low power: 750 mW @ 125 MSPS
   SNR = 71.6 dBc (72.6 dBFS) to 70 MHz @ 150 MSPS
   SFDR = 84 dBc to 70 MHz @ 150 MSPS
   Low power: 820 mW @ 150 MSPS
   1.8 V analog supply operation
   1.8 V to 3.3V CMOS output supply or 1.8 V LVDS
      output supply
   Integer 1 to 8 input clock divider
   IF sampling frequencies to 450 MHz
   Internal ADC voltage reference
   Integrated ADC sample-and-hold inputs
   Flexible analog input range: 1 V p-p to 2 V p-p
   Differential analog inputs with 650 MHz bandwidth
   ADC clock duty cycle stabilizer
   95 dB channel isolation/crosstalk
   Serial port control
   User-configurable, built-in self-test (BIST) capability
   Energy-saving power-down modes
   Integrated receive features
      Fast detect/threshold bits
      Composite signal monitor

APPLICATIONS
   Communications
   Diversity radio systems
   Multimode digital receivers
      GSM, EDGE, WCDMA, LTE,
      CDMA2000, WiMAX, TD-SCDMA
   I/Q demodulation systems
   Smart antenna systems
   General-purpose software radios
   Broadband data applications