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EVAL-AD7472 Datasheet(PDF) 1 Page - Analog Devices |
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EVAL-AD7472 Datasheet(HTML) 1 Page - Analog Devices |
1 / 20 page Evaluation Board for 10-/12-Bit High Speed, Low Power ADCs EVAL-AD7470/AD7472 Rev. C Evaluation boards are only intended for device evaluation and not for production purposes. Evaluation boards are supplied “as is” and without warranties of any kind, express, implied, or statutory including, but not limited to, any implied warranty of merchantability or fitness for a particular purpose. No license is granted by implication or otherwise under any patents or other intellectual property by application or use of evaluation boards. Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devicesforitsuse,norforanyinfringementsofpatentsorotherrightsofthirdpartiesthatmayresult from its use. Analog Devices reserves the right to change devices or specifications at any time without notice.Trademarks and registered trademarks are the property of their respective owners. Evaluationboardsarenotauthorizedtobeusedinlifesupportdevicesorsystems. 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 ©2007 Analog Devices, Inc. All rights reserved. FEATURES Full-featured evaluation board for the AD7470/AD7472 Compatible with the EVAL-CONTROL BRD2 Standalone capability On-board analog buffering and reference Optional on-board analog bias-up circuit Optional on-board burst clock generator circuit Various linking options PC software for control and data analysis when used with the EVAL-CONTROL BRD2 GENERAL DESCRIPTION This data sheet describes the evaluation board for the AD7470/ AD7472. The AD7470/AD7472 are, respectively, 10-/12-bit, high speed, low power, successive approximation ADCs that operate from a single 2.7 V to 5.25 V supply. Full data on the AD7470/AD7472 is available in the AD7470/AD7472 data sheet available from Analog Devices, Inc. and should be consulted in conjunction with this data sheet when using the evaluation board. On-board components include an AD780 (a pin programmable +2.5 V or +3 V ultra high precision band gap reference), an AD797 and an AD711 (op amps used to buffer the bipolar and unipolar analog input respectively), and an OP07 (op amp used to buffer the DC bias voltage applied to the optional analog input bias-up circuit). There are various link options, which are explained in detail in the Link and Switch Options section. Interface to this board is via a 96-way connector. This 96-way connector is compatible with the EVAL-CONTROL BRD2 (also available from Analog Devices). External sockets are provided for the CNVST input, CLKIN input, and the VIN inputs. FUNCTIONAL BLOCK DIAGRAM BIAS-UP BUFFER BUFFER UNIPOLAR AIN BIPOLAR AIN REFERENCE AD7470/ AD7472 ADC VIN REFIN POWER SUPPLY CIRCUIT DATA BUS CONTROL LINES CLOCK GENERATOR CIRCUITS Figure 1. |
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