10-Bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS, 1.8 V Analog-to-Digital Converter Data Sheet AD9609 FEATURES FUNCTIONAL BLOCK DIAGRAM AVDD GND SDIO SCLK CSB DRVDD 1.8 V analog supply operation 1.8 V to 3.3 V output supply RBIAS SPI SNR VCM 61.5 dBFS at 9.7 MHz input OR PROGRAMMING DATA 61.0 dBFS at 200 MHz input D9 (MSB) VIN+ ADC SFDR CORE VIN 75 dBc at 9.7 MHz input D0 (LSB) 73 dBc at 200 MHz input DCO VREF Low power SENSE 45 mW at 20 MSPS AD9609 REF 76 mW at 80 MSPS SELECT Differential input with 700 MHz bandwidth DIVIDE MODE On-chip voltage reference and sample-and-hold circuit DCS BY CONTROLS 1TO 8 2 V p-p differential analog input DNL = 0.10 LSB CLK+ CLK PDWN DFS MODE Serial port control options Figure 1. Offset binary, gray code, or twos complement data format Optional clock duty cycle stabilizer PRODUCT HIGHLIGHTS Integer 1-to-8 input clock divider 1. The AD9609 operates from a single 1.8 V analog power Built-in selectable digital test pattern generation supply and features a separate digital output driver supply Energy-saving power-down modes to accommodate 1.8 V to 3.3 V logic families. Data clock out with programmable clock and data alignment 2. The sample-and-hold circuit maintains excellent performance for input frequencies up to 200 MHz and is designed for low APPLICATIONS cost, low power, and ease of use. Communications 3. A standard serial port interface supports various product Diversity radio systems features and functions, such as data output formatting, Multimode digital receivers internal clock divider, power-down, DCO and data output GSM, EDGE, W-CDMA, LTE, CDMA2000, WiMAX, TD-SCDMA (D9 to D0) timing and offset adjustments, and voltage Smart antenna systems reference modes. Battery-powered instruments 4. The AD9609 is packaged in a 32-lead RoHS compliant Handheld scope meters LFCSP that is pin compatible with the AD9629 12-bit ADC Portable medical imaging and the AD9649 14-bit ADC, enabling a simple migration Ultrasound path between 10-bit and 14-bit converters sampling from Radar/LIDAR 20 MSPS to 80 MSPS. PET/SPECT imaging Rev. C Document Feedback 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 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. rights of third parties that may result from its use. Specifications subject to change without notice. No Tel: 781.329.4700 20092018 Analog Devices, Inc. All rights reserved. license is granted by implication or otherwise under any patent or patent rights of Analog Devices. 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CMOS OUTPUT BUFFER 08541-001AD9609 Data Sheet TABLE OF CONTENTS Features .............................................................................................. 1 Voltage Reference ....................................................................... 19 Applications ....................................................................................... 1 Clock Input Considerations ...................................................... 20 Functional Block Diagram .............................................................. 1 Power Dissipation and Standby Mode .................................... 22 Product Highlights ........................................................................... 1 Digital Outputs ........................................................................... 22 Revision History ............................................................................... 2 Timing.......................................................................................... 23 General Description ......................................................................... 3 Built-In Self-Test (BIST) and Output Test .................................. 24 Specifications ..................................................................................... 4 Built-In Self-Test (BIST) ............................................................ 24 DC Specifications ......................................................................... 4 Output Test Modes ..................................................................... 24 AC Specifications .......................................................................... 5 Serial Port Interface (SPI) .............................................................. 25 Digital Specifications ................................................................... 6 Configuration Using the SPI ..................................................... 25 Switching Specifications .............................................................. 7 Hardware Interface ..................................................................... 26 Timing Specifications .................................................................. 8 Configuration Without the SPI ................................................ 26 Absolute Maximum Ratings ............................................................ 9 SPI Accessible Features .............................................................. 26 Thermal Characteristics .............................................................. 9 Memory Map .................................................................................. 27 ESD Caution .................................................................................. 9 Reading the Memory Map Register Table ............................... 27 Pin Configuration and Function Descriptions ........................... 10 Open Locations .......................................................................... 27 Typical Performance Characteristics ........................................... 11 Default Values ............................................................................. 27 AD9609-80 .................................................................................. 11 Memory Map Register Table ..................................................... 28 AD9609-65 .................................................................................. 13 Memory Map Register Descriptions ........................................ 30 AD9609-40 .................................................................................. 14 Applications Information .............................................................. 31 AD9609-20 .................................................................................. 15 Design Guidelines ...................................................................... 31 Equivalent Circuits ......................................................................... 16 Outline Dimensions ....................................................................... 32 Theory of Operation ...................................................................... 17 Ordering Guide .......................................................................... 32 Analog Input Considerations .................................................... 17 REVISION HISTORY 10/2009Revision 0: Initial Version 11/2018Rev. B to Rev. C Updated Outline Dimensions ....................................................... 32 Changes to Ordering Guide .......................................................... 32 2/2017Rev. A to Rev. B Added Endnote 1, Table 17 ........................................................... 28 Changes to Power and Ground Recommendations Section ..... 31 Added Soft Reset Section ............................................................... 31 6/2015Rev. 0 to Rev. A Change to Product Highlights Section .......................................... 1 Changes to Figure 3 and Table 8 ................................................... 10 Updated Outline Dimensions ....................................................... 32 Changes to Ordering Guide .......................................................... 32 Rev. C Page 2 of 32