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AD6654 Dataheets PDF



Part Number AD6654
Manufacturers Analog Devices
Logo Analog Devices
Description 4-/6-Channel Wideband IF to Baseband Receiver
Datasheet AD6654 DatasheetAD6654 Datasheet (PDF)

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 pa.

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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 (VGA LEVEL CONTROL) PRN GEN EXP BITS PEAK/ RMS MSMT NCO NCO CIC5 M = 1–32 CIC5 M = 1–32 FIR1 HB1 M = BYP, 2 FIR1 HB1 M = BYP, 2 FIR2 HB2 M = BYP, 2 FIR2 HB2 M = BYP, 2 MRCF DRCF M = 1–16 MRCF DRCF M = 1–16 CRCF M = 1–16 CRCF M = 1–16 (AVAILABLE IN 6-CHANNEL MODEL ONLY) NCO CIC5 M = 1–32 FIR1 HB1 M = BYP, 2 FIR2 HB2 M = BYP, 2 MRCF DRCF M = 1–16 CRCF M = 1–16 M = DECIMATION L = INTERPOLATION AVDD, DRVDD, VDDCORE, VDDIO, GND SYNC 0, 1, 2, 3 CLOCK MULTIPLIER 8-BIT/16-BIT MICROPORT INTERFACE LHB L = 1, 2 DATA ROUTING LHB L = 1, 2 LHB L = 1, 2 LHB L = 1, 2 LHB L = 1, 2 PA AGC PB PC PARALLEL PORTS LHB L = 1, 2 SPORT/ SPI INTERFACE 05156-001 Figure 1. Rev. 0 Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2005 Analog Devices, Inc. All rights reserved. AD6654 TABLE OF CONTENTS General Description ......................................................................... 4 Product Highlights ....................................................................... 5 Specifications..................................................................................... 6 Recommended Operating Conditions ...................................... 6 ADC DC Specifications ............................................................... 6 ADC Digital Specifications ......................................................... 6 ADC Switching Specifications.................................................... 7 ADC AC Specifications ............................................................... 7 Electrical Characteristics............................................................. 8 Timing Characteristics ................................................................ 9 Microport Timing Characteristics ........................................... 10 Serial Port Timing Characteristics ........................................... 11 Timing Diagrams............................................................................ 12 Absolute Maximum Ratings.......................................................... 18 Thermal Characteristics ............................................................ 18 Explanation of Test Levels ......................................................... 18 ESD Caution................................................................................ 18 Pin Configuration and Function Descriptions........................... 19 Typical Performance Characteristics ........................................... 22 ADC Equivalent Circuits............................................................... 25 Terminology .................................................................................... 26 Theory of Operation ...................................................................... 27 ADC Architecture ...................................................................... 27 Application information ................................


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