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AD9265 Fiches technique(PDF) 1 Page - Analog Devices |
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AD9265 Fiches technique(HTML) 1 Page - Analog Devices |
1 / 44 page 16-Bit, 125 MSPS/105 MSPS/80 MSPS, 1.8 V Analog-to-Digital Converter AD9265 Rev. A Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. 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 ©2009–2010 Analog Devices, Inc. All rights reserved. FEATURES SNR = 79.0 dBFS @ 70 MHz and 125 MSPS SFDR = 93 dBc @ 70 MHz and 125 MSPS Low power: 373 mW @ 125 MSPS 1.8 V analog supply operation 1.8 V CMOS or LVDS output supply Integer 1-to-8 input clock divider IF sampling frequencies to 300 MHz −154.3 dBm/Hz small signal input noise with 200 Ω input impedance @ 70 MHz and 125 MSPS Optional on-chip dither Programmable internal ADC voltage reference Integrated ADC sample-and-hold inputs Flexible analog input range: 1 V p-p to 2 V p-p Differential analog inputs with 650 MHz bandwidth ADC clock duty cycle stabilizer Serial port control User-configurable, built-in self-test (BIST) capability Energy-saving power-down modes APPLICATIONS Communications Multimode digital receivers (3G) GSM, EDGE, W-CDMA, LTE, CDMA2000, WiMAX, and TD-SCDMA Smart antenna systems General-purpose software radios Broadband data applications Ultrasound equipment PRODUCT HIGHLIGHTS 1. On-chip dither option for improved SFDR performance with low power analog input. 2. Proprietary differential input that maintains excellent SNR performance for input frequencies up to 300 MHz. 3. Operation from a single 1.8 V supply and a separate digital output driver supply accommodating 1.8 V CMOS or LVDS outputs. 4. Standard serial port interface (SPI) that supports various product features and functions, such as data formatting (offset binary, twos complement, or gray coding), enabling the clock duty cycle stabilizer, DCS, power-down, test modes, and voltage reference mode. 5. Pin compatibility with the AD9255, allowing a simple migration from 16 bits down to 14 bits. FUNCTIONAL BLOCK DIAGRAM 16 16 DRVDD (1.8V) D15 TO D0 DCO DITHER CLK+ CLK– SYNC CLOCK MANAGEMENT ADC 16-BIT CORE OUTPUT STAGING CMOS OR LVDS (DDR) VCM VREF VIN+ VIN– TRACK-AND-HOLD REFERENCE RBIAS SENSE PDWN SERIAL PORT SVDD SCLK/ DFS SDIO/ DCS CSB AGND AVDD (1.8V) LVDS LVDS_RS AD9265 OR Figure 1. |
Numéro de pièce similaire - AD9265 |
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Description similaire - AD9265 |
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