Datasheet AD7713 (Analog Devices) - 2

AD7713* PRODUCT PAGE QUICK LINKS Last Content Update: 02/23/2017 COMPARABLE PARTS REFERENCE MATERIALS
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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-348: Avoiding Passive-Component Pitfalls • AD7713 Material Declaration • AN-388: Using Sigma-Delta Converters-Part 1 • PCN-PDN Information • AN-389: Using Sigma-Delta Converters-Part 2 • Quality And Reliability • AN-397: Electrically Induced Damage to Standard Linear • Symbols and Footprints Integrated Circuits: • AN-406: Using the AD771X Family of 24-Bit Sigma-Delta
DISCUSSIONS
A/D Converters View all AD7713 EngineerZone Discussions. • AN-553: Adjusting the Calibration Coefficients on the AD771X Family of ADCs
SAMPLE AND BUY
• AN-607: Selecting a Low Bandwidth (<15 kSPS) Sigma- Delta ADC Visit the product page to see pricing options. • AN-615: Peak-to-Peak Resolution Versus Effective Resolution
TECHNICAL SUPPORT Data Sheet
Submit a technical question or find your regional support number. • AD7713: LC2MOS, Loop-Powered Signal Conditioning ADC Data Sheet
DOCUMENT FEEDBACK TOOLS AND SIMULATIONS
Submit feedback for this data sheet. • Sigma-Delta ADC Tutorial
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Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ORDERING GUIDE PIN CONFIGURATION PIN FUNCTION DESCRIPTION TERMINOLOGY Integral Nonlinearity Positive Full-Scale Error Unipolar Offset Error Bipolar Zero Error Bipolar Negative Full-Scale Error Positive Full-Scale Overrange Negative Full-Scale Overrange Offset Calibration Range Full-Scale Calibration Range Input Span CONTROL REGISTER (24 BITS) Filter Selection (FS11 to FS0) CIRCUIT DESCRIPTION THEORY OF OPERATION Input Sample Rate DIGITAL FILTERING Filter Characteristics Post Filtering Antialias Considerations ANALOG INPUT FUNCTIONS Analog Input Ranges Burn Out Current RTD Excitation Currents Bipolar/Unipolar Inputs REFERENCE INPUT USING THE AD7713 SYSTEM DESIGN CONSIDERATIONS Clocking System Synchronization Accuracy Autocalibration Self-Calibration System Calibration System Offset Calibration Background Calibration Span and Offset Limits POWER-UP AND CALIBRATION Drift Considerations POWER SUPPLIES AND GROUNDING DIGITAL INTERFACE Self-Clocking Mode Read Operation Write Operation External Clocking Mode Read Operation Write Operation SIMPLIFYING THE EXTERNAL CLOCKING MODE INTERFACE MICROCOMPUTER/MICROPROCESSOR INTERFACING AD7713 to 8XC51 Interface AD7713 to 68HC11 Interface APPLICATIONS 4-Wire RTD Configurations 3-Wire RTD Configurations 4–20 mA Loop OTHER 24-BIT SIGNAL CONDITIONING ADCS AVAILABLE FROM ANALOG DEVICES AD7710 AD7711 AD7712 OUTLINE DIMENSIONS Revision History