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AD9625 Dataheets PDF



Part Number AD9625
Manufacturers Analog Devices
Logo Analog Devices
Description 1.3V / 2.5V Analog-to-Digital Converter
Datasheet AD9625 DatasheetAD9625 Datasheet (PDF)

Data Sheet FEATURES 12-bit 2.0 GSPS ADC, no missing codes SFDR = 80 dBc, AIN up to 1 GHz at −1 dBFS, 2.0 GSPS SFDR = 76 dBc, AIN up to 1.8 GHz at −1 dBFS, 2.0 GSPS SNR = 59 dBFS, AIN up to 1 GHz at −1 dBFS, 2.0 GSPS SNR = 58 dBFS, AIN up to 1.8 GHz at −1 dBFS, 2.0 GSPS Noise floor = −149.5 dBFS/Hz at 2.0 GSPS Power consumption: 3.5 W at 2.0 GSPS Differential analog input: 1.1 V p-p Differential clock input High speed 6- or 8-lane JESD204B serial output Subclass 1: 5.0 Gbps at 2.0 GSPS Two indepe.

  AD9625   AD9625



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Data Sheet FEATURES 12-bit 2.0 GSPS ADC, no missing codes SFDR = 80 dBc, AIN up to 1 GHz at −1 dBFS, 2.0 GSPS SFDR = 76 dBc, AIN up to 1.8 GHz at −1 dBFS, 2.0 GSPS SNR = 59 dBFS, AIN up to 1 GHz at −1 dBFS, 2.0 GSPS SNR = 58 dBFS, AIN up to 1.8 GHz at −1 dBFS, 2.0 GSPS Noise floor = −149.5 dBFS/Hz at 2.0 GSPS Power consumption: 3.5 W at 2.0 GSPS Differential analog input: 1.1 V p-p Differential clock input High speed 6- or 8-lane JESD204B serial output Subclass 1: 5.0 Gbps at 2.0 GSPS Two independent decimate by 8 or decimate by 16 filters with 10-bit NCOs Supply voltages: 1.3 V, 2.5 V Serial port control Flexible digital output modes Built-in selectable digital test patterns 12-Bit, 2.0 GSPS, 1.3 V/2.5 V Analog-to-Digital Converter AD9625 FUNCTIONAL BLOCK DIAGRAM AVDD AGND DRVDD DRGND REFERENCE DIGITAL INTERFACE AND CONTROL JESD204B INTERFACE VCM VIN+ VIN– RBIAS ADC CORE DDC fS/8 OR fS/16 SERDOUT[0]± SERDOUT[1]± SERDOUT[2]± SERDOUT[3]± SERDOUT[4]± SERDOUT[5]± SERDOUT[6]± SERDOUT[7]± CONTROL REGISTERS CMOS DIGITAL INPUT/ OUTPUT LVDS DIGITAL INPUT/ OUTPUT FD RSTB IRQ SYSREF± CLK± CLOCK MANAGEMENT SYNCINB± DIVCLK± CMOS DIGITAL INPUT/OUTPUT AD9625 SDIO SCLK CSB 11814-001 Figure 1. APPLICATIONS Spectrum analyzers Military communications Radar High performance digital storage oscilloscopes Active jamming/antijamming Electronic surveillance and countermeasures GENERAL DESCRIPTION The AD9625 is a 12-bit monolithic sampling analog-to-digital converter (ADC) that operates at conversion rates of up to 2.0 giga samples per second (GSPS). This product is designed for sampling wide bandwidth analog signals up to the second Nyquist zone. The combination of wide input bandwidth, high sampling rate, and excellent linearity of the AD9625 is ideally suited for spectrum analyzers, data acquisition systems, and a wide assortment of military electronics applications, such as radar and jamming/antijamming measures. The analog input, clock, and SYSREF± signals are differential inputs. The JESD204B-based high speed serialized output is configurable in a variety of one-, two-, four-, six-, or eight-lane configurations. The product is specified over the industrial temperature range of −40°C to +85°C. PRODUCT HIGHLIGHTS 1. 2. 3. High performance: exceptional SFDR in high sample rate applications, direct RF sampling, and on-chip reference. Flexible digital data output formats based on the JESD204B specification. Control path SPI interface port that supports various product features and functions, such as data formatting, gain, and offset calibration values. Rev. 0 Information furnished b y A nalog D evices i s believed t o b e ac curate an d rel iable. H owever, n o responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other rights of third parties that m ay result f rom its use. Specifications subject tochange without notice. No license is granted by implication or otherwise under an y patent or patent rights of Analog Devices. Trademarks an d reg isteredtrademarks are h te p roperty of their res pective owners . Document Feedback One T echnology Wa y, P .O. Box 91 06, Norwood, M A 02 062-9106, U .S.A. Tel: 781.329.4700 ©2014 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com http://www.Datasheet4U.com AD9625 TABLE OF CONTENTS Features .............................................................................................. 1  Applications .......................................................................................1  Functional Block Diagram .............................................................. 1  General Description ......................................................................... 1  Product Highlights ........................................................................... 1  Revision History ............................................................................... 2  Specifications .....................................................................................3  DC Specifications ......................................................................... 3  AC Specifications.......................................................................... 4  Digital Specifications ................................................................... 4  Switching Specifications .............................................................. 6  Timing Specifications .................................................................. 6  Absolute Maximum Ratings ....................................................... 8  Thermal Characteristics .............................................................. 8  ESD Caution .................................................................................. 8  Pin Configuration and Function Descriptions ............................. 9  Typical Performance Characteristics ........................................... 15  Equivalent Test Circuits .......................


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