AD7641* PRODUCT PAGE QUICK LINKS Last Content Update: 04/14/2017COMPARABLE PARTSDESIGN RESOURCES View a parametric search of comparable parts. • AD7641 Material Declaration • PCN-PDN Information EVALUATION KITS • Quality And Reliability • AD7641 Evaluation Board • Symbols and Footprints DOCUMENTATIONDISCUSSIONSApplication Notes View all AD7641 EngineerZone Discussions. • AN-931: Understanding PulSAR ADC Support Circuitry • AN-932: Power Supply Sequencing SAMPLE AND BUYData Sheet Visit the product page to see pricing options. • AD7641: 18-Bit, 2 MSPS SAR ADC Data Sheet Product HighlightTECHNICAL SUPPORT • 8- to 18-Bit SAR ADCs ... From the Leader in High Submit a technical question or find your regional support Performance Analog number. REFERENCE MATERIALSDOCUMENT FEEDBACKTechnical Articles Submit feedback for this data sheet. • MS-2210: Designing Power Supplies for High Speed ADC This page is dynamically generated by Analog Devices, Inc., and inserted into this data sheet. A dynamic change to the content on this page will not trigger a change to either the revision number or the content of the product data sheet. This dynamic page may be frequently modified. Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TERMINOLOGY TYPICAL PERFORMANCE CHARACTERISTICS APPPLICATIONS INFORMATION CIRCUIT INFORMATION CONVERTER OPERATION MODES OF OPERATION TRANSFER FUNCTIONS TYPICAL CONNECTION DIAGRAM ANALOG INPUTS MULTIPLEXED INPUTS DRIVER AMPLIFIER CHOICE Single-to-Differential Driver VOLTAGE REFERENCE INPUT Internal Reference (PDBUF = Low, PDREF = Low) External 1.2 V Reference and Internal Buffer (PDBUF = Low, PDREF = High) External 2.5 V Reference (PDBUF = High, PDREF = High) Reference Decoupling Temperature Sensor POWER SUPPLY Power Sequencing Power-Up CONVERSION CONTROL INTERFACES DIGITAL INTERFACE RESET PARALLEL INTERFACE Master Parallel Interface Slave Parallel Interface 16-Bit and 8-Bit Interface (Master or Slave) SERIAL INTERFACE MASTER SERIAL INTERFACE Internal Clock SLAVE SERIAL INTERFACE External Clock External Discontinuous Clock Data Read After Conversion External Clock Data Read During Previous Conversion MICROPROCESSOR INTERFACING SPI Interface (ADSP-219x) APPLICATION HINTS LAYOUT EVALUATING THE AD7641 PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE