Datasheet AD7643 (Analog Devices) - 2

AD7643* PRODUCT PAGE QUICK LINKS Last Content Update: 04/14/2017 COMPARABLE PARTS DESIGN RESOURCES
View a parametric search of comparable parts. • AD7643 Material Declaration • PCN-PDN Information
EVALUATION KITS
• Quality And Reliability • AD7643 Evaluation Kit • Symbols and Footprints
DOCUMENTATION DISCUSSIONS Application Notes
View all AD7643 EngineerZone Discussions. • AN-931: Understanding PulSAR ADC Support Circuitry • AN-932: Power Supply Sequencing
SAMPLE AND BUY Data Sheet
Visit the product page to see pricing options. • AD7643: 18-Bit, 1.25 MSPS PulSAR™ ADC Data Sheet
TECHNICAL SUPPORT REFERENCE MATERIALS
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Technical Articles
number. • MS-2210: Designing Power Supplies for High Speed ADC
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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 APPLICATIONS INFORMATION CIRCUIT INFORMATION CONVERTER 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 AD7643 PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE