10-Bit, 65/80/105 MSPS, 3 V A/D Converter Data Sheet AD9215 FEATURES FUNCTIONAL BLOCK DIAGRAM AVDD DRVDD Single 3 V supply operation (2.7 V to 3.3 V) SNR = 58 dBc (to Nyquist) VIN+ PIPELINE SFDR = 77 dBc (to Nyquist) SHA ADC CORE VIN Low power ADC core: 96 mW at 65 MSPS, 104 mW 80 MSPS, 120 mW at 105 MSPS REFT AD9215 Differential input with 300 MHz bandwidth REFB On-chip reference and sample-and-hold amplifier CORRECTION LOGIC 10 DNL = 0.25 LSB OUTPUT BUFFERS OR Flexible analog input: 1 V p-p to 2 V p-p range Offset binary or twos complement data format D9 (MSB) D0 Clock duty cycle stabilizer VREF CLOCK DUTY CYCLE MODE APPLICATIONS SENSE SELECT STABLIZER Ultrasound equipment REF 0.5V SELECT IF sampling in communications receivers Battery-powered instruments AGND CLK PDWN MODE DGND Hand-held scopemeters Figure 1. Low cost digital oscilloscopes PRODUCT DESCRIPTION The AD9215 is a family of monolithic, single 3 V supply, 10-bit, Fabricated on an advanced CMOS process, the AD9215 is avail- 65/80/105 MSPS analog-to-digital converters (ADC). This family able in both a 28-lead surface-mount plastic package and a features a high performance sample-and-hold amplifier (SHA) 32-lead chip scale package and is specified over the industrial and voltage reference. The AD9215 uses a multistage differential temperature range of 40C to +85C. pipelined architecture with output error correction logic to pro- PRODUCT HIGHLIGHTS vide 10-bit accuracy at 105 MSPS data rates and to guarantee no missing codes over the full operating temperature range. 1. The AD9215 operates from a single 3 V power supply and features a separate digital output driver supply to accom- The wide bandwidth, truly differential sample-and-hold ampli- modate 2.5 V and 3.3 V logic families. fier (SHA) allows for a variety of user-selectable input ranges 2. Operating at 105 MSPS, the AD9215 core ADC consumes and offsets including single-ended applications. It is suitable for a low 120 mW at 80 MSPS, the power dissipation is 104 multiplexed systems that switch full-scale voltage levels in mW and at 65 MSPS, the power dissipation is 96 mW. successive channels and for sampling single-channel inputs at 3. The patented SHA input maintains excellent performance frequencies well beyond the Nyquist rate. Combined with pow- for input frequencies up to 200 MHz and can be config- er and cost savings over previously available ADCs, the AD9215 ured for single-ended or differential operation. is suitable for applications in communications, imaging, and 4. The AD9215 is part of several pin compatible 10-, 12-, and medical ultrasound. 14-bit low power ADCs. This allows a simplified upgrade A single-ended clock input is used to control all internal conversion from 10 bits to 12 bits for systems up to 80 MSPS. cycles. A duty cycle stabilizer compensates for wide variations in the 5. The clock duty cycle stabilizer maintains converter per- clock duty cycle while maintaining excellent performance. The digital formance over a wide range of clock pulse widths. output data is presented in straight binary or twos complement for- 6. The out of range (OR) output bit indicates when the signal mats. An out-of-range signal indicates an overflow condition, which is beyond the selected input range. can be used with the MSB to determine low or high overflow. Rev. B Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no re- sponsibility 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 20032013 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. 02874-A-001AD9215 Data Sheet TABLE OF CONTENTS Specifications ..................................................................................... 3 REVISION HISTORY 1 Absolute Maximum Ratings .......................................................... 6 2/13Data Sheet Changed from a REV. A to a REV. B Explanation of Test Levels ........................................................... 6 Changes to Figure 4 and Added EPAD Note to Pin Configura- tions and Function Descriptions Section ..................................... 7 ESD Caution .................................................................................. 6 Changes to Voltage Reference Section ........................................ 17 Pin Configurations and Function Descriptions ........................... 7 Changes to Evaluation Board Section......................................... 18 Equivalent Circuits ....................................................................... 8 Updated Outline Dimensions ...................................................... 33 Definitions of Specifications ....................................................... 8 Changes to Ordering Guide ......................................................... 34 Typical Performance Characteristics ........................................... 10 2/04Data Sheet Changed from a REV. 0 to a REV. A Applying the AD9215 Theory of Operation ............................... 14 Renumbered Figures and Tables ..............................UNIVERSAL Clock Input and Considerations .............................................. 15 Changes to Product Title ................................................................ 1 Evaluation Board ........................................................................ 18 Changes to Features ........................................................................ 1 Outline Dimensions ....................................................................... 33 Changes to Product Description ................................................... 1 Ordering Guide ........................................................................... 34 Changes to Product Highlights ..................................................... 1 Changes to Specifications ............................................................... 2 Changes to Figure 2 ......................................................................... 4 Changes to Figures 9 to 11 ........................................................... 10 Added Figure 14 ............................................................................ 10 Added Figures 16 and 18 .............................................................. 11 Changes to Figures 21 to 24 and 25 to 26 ................................... 12 Deleted Figure 25 ........................................................................... 12 Changes to Figures 28 and 29 ...................................................... 13 Changes to Figure 31 ..................................................................... 14 Changes t0 Figure 35 ..................................................................... 16 Changes to Figures 50 through 58............................................... 26 Added Table 11 .............................................................................. 31 Updated Outline Dimensions ...................................................... 32 Changes to Ordering Guide ......................................................... 33 5/03Revision 0: Initial Version Rev. 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