
Analog Devices
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