AD6652BBCZ

AD6652 is a mixed-signal IF to baseband receiver consisting of dual 12bit 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. The dual ADC core features a multistage differential pipelined architecture with integrated output error correction logic. Both ADCs feature wide bandwidth differential sample-and-hold analogue input amplifiers supporting a variety of user-selectable input ranges. Typical applications include 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.

• SNR = 90dB in 10.4MHz, 25°C band width and 85dB channel isolation/crosstalk
• Worst harmonic = −83dBc at 25MHz, 25°C
• Integrated dual-channel ADC: sample rates up to 65MSPS, IF sampling frequencies to 200MHz
• Integrated ADC sample-and-hold I/P, flexible analogue I/P (1 to 2V p-p), differential analogue I/P
• ADC clock duty cycle stabilizer
• Integrated wideband DDC: crossbar switched DDC I/Ps digital resampling for noninteger decimation
• Programmable decimating FIR filters, flexible control for multicarrier and phase array
• Dual 16bit parallel or 8bit link output ports, dual AGC stages for output level control
• User-configurable built-in self -test (BIST) capability and energy-saving power-down modes
• 256-Lead CSPBGA package, operating temperature range from -40 to 85°C

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