Datasheet AD7710 (Analog Devices) - 2

AD7710* 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-241: Evaluation Board for the AD7710 High Resolution Functionality of New Sigma-Delta ADCs (24-Bits) Sigma-Delta A/D Converter • AN-283: Sigma-Delta ADCs and DACs
DESIGN RESOURCES
• AN-311: How to Reliably Protect CMOS Circuits Against • AD7710 Material Declaration Power Supply Overvoltaging • PCN-PDN Information • AN-388: Using Sigma-Delta Converters-Part 1 • Quality And Reliability • AN-389: Using Sigma-Delta Converters-Part 2 • Symbols and Footprints • AN-397: Electrically Induced Damage to Standard Linear Integrated Circuits:
DISCUSSIONS
• AN-406: Using the AD771X Family of 24-Bit Sigma-Delta View all AD7710 EngineerZone Discussions. A/D Converters • AN-553: Adjusting the Calibration Coefficients on the
SAMPLE AND BUY
AD771X Family of ADCs • AN-607: Selecting a Low Bandwidth (<15 kSPS) Sigma- Visit the product page to see pricing options. Delta ADC • AN-615: Peak-to-Peak Resolution Versus Effective
TECHNICAL SUPPORT
Resolution Submit a technical question or find your regional support
Data Sheet
number. • AD7710: Military Data Sheet
DOCUMENT FEEDBACK
• AD7710: Signal Conditioning ADC Data Sheet Submit feedback for this data sheet.
TOOLS AND SIMULATIONS
• Sigma-Delta ADC Tutorial
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Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION PRODUCT HIGHLIGHTS SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS TIMING CHARACTERISTICS ORDERING GUIDE PIN CONFIGURATION PIN FUNCTION DESCRIPTIONS 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) PGA GAIN CHANNEL SELECTION Power-Down Word Length Output Compensation Current Burn-Out Current Bipolar/Unipolar Selection (Both Inputs) FILTER SELECTION (FS11–FS0) CIRCUIT DESCRIPTION THEORY OF OPERATION Input Sample Rate DIGITAL FILTERING Filter Characteristics Post Filtering Antialias Considerations ANALOG INPUT FUNCTIONS Analog Input Ranges Burnout Current Output Compensation Current Bipolar/Unipolar Inputs REFERENCE INPUT/OUTPUT VBIAS Input USING THE AD7710 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 AD7710 to 8XC51 Interface AD7710 to 68HC11 Interface APPLICATIONS OUTLINE DIMENSIONS Revision History