Datasheet AD7738 (Analog Devices) - 2

AD7738* PRODUCT PAGE QUICK LINKS Last Content Update: 02/23/2017 COMPARABLE PARTS TOOLS AND SIMULATIONS
View a parametric search of comparable parts. • Sigma-Delta ADC Tutorial
EVALUATION KITS REFERENCE MATERIALS
• AD7738 Evaluation Kit
Technical Articles
• Delta-Sigma Rocks RF, As ADC Designers Jump On Jitter
DOCUMENTATION
• MS-2210: Designing Power Supplies for High Speed ADC
Application Notes
• Part 1: Circuit Suggestions Using Features and • AN-202: An IC Amplifier User’s Guide to Decoupling, Functionality of New Sigma-Delta ADCs Grounding, and Making Things Go Right for a Change • Part 2: Circuit Suggestions Using Features and • AN-283: Sigma-Delta ADCs and DACs Functionality of New Sigma-Delta ADCs • AN-311: How to Reliably Protect CMOS Circuits Against Power Supply Overvoltaging
DESIGN RESOURCES
• AN-388: Using Sigma-Delta Converters-Part 1 • AD7738 Material Declaration • AN-389: Using Sigma-Delta Converters-Part 2 • PCN-PDN Information • AN-397: Electrically Induced Damage to Standard Linear • Quality And Reliability Integrated Circuits: • Symbols and Footprints • AN-607: Selecting a Low Bandwidth (<15 kSPS) Sigma- Delta ADC
DISCUSSIONS
• AN-615: Peak-to-Peak Resolution Versus Effective View all AD7738 EngineerZone Discussions. Resolution • AN-626: Using the AD7732/AD7734/AD7738/AD7739
SAMPLE AND BUY
Checksum Register • AN-663: AD7732/AD7734/AD7738/AD7739 Calibration Visit the product page to see pricing options. Registers • AN-664: AD7732/AD7734/AD7738/AD7739 in Low Power
TECHNICAL SUPPORT
Applications Submit a technical question or find your regional support
Data Sheet
number. • AD7738: 8-Channel, High Throughput, 24-Bit Sigma-Delta A/D Converter Data Sheet
DOCUMENT FEEDBACK
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SOFTWARE AND SYSTEMS REQUIREMENTS
• AD7732/4/8/9 Evaluation Software
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Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ORDERING GUIDE PIN CONFIGURATION PIN FUNCTION DESCRIPTION PIN FUNCTION DESCRIPTION (continued) OUTPUT NOISE AND RESOLUTION SPECIFICATION CHOPPING ENABLED CHOPPING DISABLED Typical Performance Characteristics REGISTER DESCRIPTION Communications Register I/O Port Register Revision Register Test Register ADC Status Register Checksum Register ADC Zero Scale Calibration Register ADC Full-Scale Register Channel Data Registers Channel Zero-Scale Calibration Registers Channel Full-Scale Calibration Registers Channel Status Registers Channel Setup Registers Channel Conversion Time Registers Mode Register DIGITAL INTERFACE DESCRIPTION Hardware Reset Access the AD7738 Registers Single Conversion and Reading Data Dump Mode Continuous Conversion Mode Continuous Read (Continuous Conversion) Mode CIRCUIT DESCRIPTION Analog Front End Sigma-Delta ADC Chopping Multiplexer, Conversion, and Data Output Timing Frequency Response Analog Inputs Voltage Range Analog Inputs Extended Voltage Range Voltage Reference Inputs Reference Detect I/O Port CALIBRATION ADC Zero-Scale Self-Calibration Per Channel System Calibration OUTLINE DIMENSIONS