12-Bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS, 1.8 V Analog-to-Digital Converter Data Sheet AD9629 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 71.3 dBFS at 9.7 MHz input OR PROGRAMMING DATA 69.0 dBFS at 200 MHz input D11 (MSB) VIN+ ADC SFDR CORE VIN 95 dBc at 9.7 MHz input D0 (LSB) 83 dBc at 200 MHz input DCO VREF Low power SENSE 45 mW at 20 MSPS AD9629 REF 85 mW at 80 MSPS SELECT Differential input with 700 MHz bandwidth MODE DIVIDE BY On-chip voltage reference and sample-and-hold circuit CONTROLS 1, 2, 4 2 V p-p differential analog input DNL = 0.16 LSB CLK+ CLK PDWN DFS MODE Serial port control options Figure 1. Offset binary, gray code, or twos complement data format PRODUCT HIGHLIGHTS Integer 1, 2, or 4 input clock divider Built-in selectable digital test pattern generation 1. The AD9629 operates from a single 1.8 V analog power Energy-saving power-down modes supply and features a separate digital output driver supply Data clock out with programmable clock and data alignment to accommodate 1.8 V to 3.3 V logic families. 2. The sample-and-hold circuit maintains excellent APPLICATIONS performance for input frequencies up to 200 MHz and is Communications designed for low cost, low power, and ease of use. Diversity radio systems 3. A standard serial port interface (SPI) supports various Multimode digital receivers product features and functions, such as data output format- GSM, EDGE, W-CDMA, LTE, CDMA2000, WiMAX, TD-SCDMA ting, internal clock divider, power-down, DCO and data Smart antenna systems output (D11 to D0) timing and offset adjustments, and Battery-powered instruments voltage reference modes. Hand held scope meters 4. The AD9629 is packaged in a 32-lead RoHS compliant Portable medical imaging LFCSP that is pin compatible with the AD9609 10-bit ADC Ultrasound and the AD9649 14-bit ADC, enabling a simple migration Radar/LIDAR path between 10-bit and 14-bit converters sampling from PET/SPECT imaging 20 MSPS to 80 MSPS. Rev. B 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 20092017 Analog Devices, Inc. All rights reserved. license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Technical Support www.analog.com Trademarks and registered trademarks are the property of their respective owners. CMOS OUTPUT BUFFER 08540-001AD9629 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 ................................. 21 Product Highlights ....................................................................1 Digital Outputs .................................................................... 22 Revision History ........................................................................2 Timing ................................................................................. 22 General Description ..................................................................3 Built-In Self-Test (BIST) and Output Test ............................... 23 Specifications .............................................................................4 Built-In Self-Test (BIST) ...................................................... 23 DC Specifications...................................................................4 Output Test Modes .............................................................. 23 AC Specifications ...................................................................5 Serial Port Interface (SPI)........................................................ 24 Digital Specifications .............................................................6 Configuration Using the SPI................................................ 24 Switching Specifications.........................................................7 Hardware Interface .............................................................. 25 Timing Specifications.............................................................8 Configuration Without the SPI............................................ 25 Absolute Maximum Ratings ......................................................9 SPI Accessible Features ........................................................ 25 Thermal Characteristics.........................................................9 Memory Map........................................................................... 26 ESD Caution ..........................................................................9 Reading the Memory Map Register Table ............................ 26 Pin Configuration and Function Descriptions.........................10 Open Locations ................................................................... 26 Typical Performance Characteristics .......................................11 Default Values...................................................................... 26 AD9629-80...........................................................................11 Memory Map Register Table................................................ 27 AD9629-65...........................................................................13 Memory Map Register Descriptions .................................... 29 AD9629-40...........................................................................14 Applications Information ........................................................ 30 AD9629-20...........................................................................15 Design Guidelines................................................................ 30 Equivalent Circuits ..................................................................16 Outline Dimensions ................................................................ 31 Theory of Operation................................................................17 Ordering Guide ................................................................... 31 Analog Input Considerations ...............................................17 REVISION HISTORY 2/2017Rev. A to Rev B Added Endnote 1, Table 16 ......................................................28 Changes to Power and Ground Recommendations Section.....30 Added Soft Reset Section.........................................................30 6/2015Rev. 0 to Rev. A Change to Product Highlights Section.......................................1 Changes to Figure 3 and Table 8 ..............................................10 Updated Outline Dimensions ..................................................31 Changes to Ordering Guide .....................................................31 10/2009Revision 0: Initial Version Rev. B Page 2 of 32