PRODUCT DESCRIPTION

The AD6652 is a mixed-signal IF to baseband receiver consisting of dual 12-bit 65 MSPS ADCs and a wideband multimode digital downconverter (DDC). The AD6652 is designed to support communications applications where low cost, small size, and versatility are desired. The AD6652 is also suitable for other applications in imaging, medical ultrasound, instrumentation, and test equipment.

FEATURES

  SNR = 90 dB in 150 kHz bandwidth (to Nyquist @ 61.44 MSPS)

  Worst harmonic = 83 dBc (to Nyquist @ 61.44 MSPS)

  Integrated dual-channel ADC:

     Sample rates up to 65 MSPS

     IF sampling frequencies to 200 MHz

     Internal ADC voltage reference

     Integrated ADC sample-and-hold inputs

     Flexible analog input range (1 V to 2 V p-p)

     Differential analog inputs

     ADC clock duty cycle stabilizer

     85 dB channel isolation/crosstalk

  Integrated wideband digital downconverter (DDC):

     Crossbar switched DDC inputs

     Digital resampling for noninteger decimation

     Programmable decimating FIR filters

     Flexible control for multicarrier and phased array

     Dual AGC stages for output level control

     Dual 16-bit parallel or 8-bit link output ports

     User-configurable built-in self-test (BIST) capability

     Energy-saving power-down modes

APPLICATIONS

  Communications

  Diversity radio systems

  Multimode digital receivers:

     GSM, EDGE, PHS, AMPS, UMTS, WCDMA, CDMA-ONE,

     IS95, IS136, CDMA2000, IMT-2000

  I/Q demodulation systems

  Smart antenna systems

  General-purpose software radios

  Broadband data applications

  Instrumentation and test equipment