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AD9857/PCB 数据表(PDF) 1 Page - Analog Devices |
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AD9857/PCB 数据表(HTML) 1 Page - Analog Devices |
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1 / 40 page ![]() CMOS 200 MSPS 14-Bit Quadrature Digital Upconverter AD9857 Rev. C 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: 781.326.8703 © 2004 Analog Devices, Inc. All rights reserved. FEATURES 200 MHz internal clock rate 14-bit data path Excellent dynamic performance: 80 dB SFDR @ 65 MHz (±100 kHz) AOUT 4× to 20× programmable reference clock multiplier Reference clock multiplier PLL lock detect indicator Internal 32-bit quadrature DDS FSK capability 8-bit output amplitude control Single-pin power-down function Four programmable, pin-selectable signal profiles SIN(x)/x correction (inverse SINC function) Simplified control interface 10 MHz serial, 2-wire or 3-wire SPI®-compatible 3.3 V single supply Single-ended or differential input reference clock 80-lead LQFP surface-mount packaging Three modes of operation: Quadrature modulator mode Single-tone mode Interpolating DAC mode APPLICATIONS HFC data, telephony, and video modems Wireless base station Agile, LO frequency synthesis Broadband communications FUNCTIONAL BLOCK DIAGRAM 14 14-BIT DAC DAC_RSET IOUT IOUT 8 OUTPUT SCALE VALUE REFCLK REFCLK MODE CONTROL PLL LOCK CLOCK INPUT MODE AD9857 PARALLEL DATA IN (14-BIT) PDCLK/ FUD 14 INVERSE CIC FILTER INV CIC Q (4 ) CIC (2 - 63 ) FIXED INTER- POLATOR PROGRAMMABLE INTERPOLATOR QUADRATURE MODULATOR INVERSE SINC FILTER 32 TUNING WORD TIMING AND CONTROL DDS CORE CLOCK MULTIPLIER (4 – 20 ) PROFILE SELECT LOGIC CONTROL REGISTERS RESET CIC OVERFLOW SERIAL PORT I 14 PS0 PS1 POWER- DOWN LOGIC DIGITAL POWER- DOWN TxENABLE Figure 1. |
类似零件编号 - AD9857/PCB |
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类似说明 - AD9857/PCB |
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