GENERAL DESCRIPTION

The AD9627 is a dual, 12-bit, 80 MSPS/105 MSPS/125 MSPS/150 MSPS analog-to-digital converter (ADC). The AD9627 is designed to support communications applications where low cost, small size, and versatility are desired.

FEATURES

   SNR = 69.4 dBc (70.4 dBFS) to 70 MHz @ 125 MSPS

   SFDR = 85 dBc to 70 MHz @ 125 MSPS

   Low power: 750 mW @ 125 MSPS

   SNR = 69.2 dBc (70.2 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 3.3 V 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 (3G)

      GSM, EDGE, WCDMA,

      CDMA2000, WiMAX, TD-SCDMA

   I/Q demodulation systems

   Smart antenna systems

   General-purpose software radios

   Broadband data applications