AD6654

FEATURES SNR = 90 dB in 1.25 MHz bandwidth to Nyquist SNR = 87 dB in 1.25 MHz bandwidth to 200 MHz Integrated 14-bit, 92.16 MSPS ADC IF sampling frequencies to 200 MHz Internal 2.4 V reference, 2.2 V p-p analog input range Internal differential track-and-hold analog input Processes 4/6 wideband carriers simultaneously Fractional clock multiplier to 200 MHz Programmable decimating FIR filters, interpolating half-band filters and programmable AGC loops with 96 dB range Three 16-bit configurable parallel output ports User-configurable built-in self-test (BIST) capability 8-/16-bit microport and SPORT/SPI® serial port control 14-Bit, 92.16 MSPS, 4-/6-Channel Wideband IF to Baseband Receiver AD6654 APPLICATIONS Multicarrier, multimode digital receivers GSM, EDGE, PHS, UMTS, WCDMA, CDMA2000, TD-SCDMA, WiMAX Micro and pico cell systems, software radios Wireless local loop Smart antenna systems In-building wireless telephony Broadband data applications Instrumentation and test equipment FUNCTIONAL BLOCK DIAGRAM 14-BIT ADC FRONT END 4-CHANNEL AND 6-CHANNEL DIGITAL DOWN CONVERTER ENC+ ENC– AIN+ AIN– VREF SHA INTERNAL TIMING ADC 14 INPUT MATRIX 2.4V VREF NCO NCO NCO CIC5 M = 1–32 CIC5 M = 1–32 CIC5 M = 1–32 FIR1 HB1 M = BYP, 2 FIR1 HB1 M = BYP, 2 FIR1 HB1 M = BYP, 2 FIR2 HB2 M = BYP, 2 FIR2 HB2 M = BYP, 2 FIR2 HB2 M = BYP, 2 MRCF DRCF M = 1–16 MRCF DRCF M = 1–16 MRCF DRCF M = 1–16 CRCF M = 1–16 CRCF M = 1–16 CRCF M = 1–16 DATA ROUTER MATRIX OVR (ADC OVERRANGE) 3 EXP (V...