Datasheet AD7715 (Analog Devices) - 2

AD7715* 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-388: Using Sigma-Delta Converters-Part 1 • AD7715 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 AD7715 EngineerZone Discussions. Resolution
Data Sheet SAMPLE AND BUY
• AD7715: 3V/5V, 450 µA, 16-Bit Sigma-Delta ADC Data Sheet Visit the product page to see pricing options.
TOOLS AND SIMULATIONS TECHNICAL SUPPORT
• Sigma-Delta ADC Tutorial Submit a technical question or find your regional support number.
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Document Outline FEATURES FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS AD7715-5 AD7715-3 TIMING CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TERMINOLOGY ON-CHIP REGISTERS COMMUNICATIONS REGISTER (RS1, RS0 = 0, 0) SETUP REGISTER (RS1, RS0 = 0, 1); POWER ON/RESET STATUS: 28 HEX TEST REGISTER (RS1, RS0 = 1, 0) DATA REGISTER (RS1, RS0 = 1, 1) OUTPUT NOISE AD7715-5 AD7715-3 CALIBRATION SEQUENCES CIRCUIT DESCRIPTION ANALOG INPUT Analog Input Ranges Input Sample Rate Bipolar/Unipolar Inputs REFERENCE INPUT DIGITAL FILTERING Filter Characteristics Post-Filtering ANALOG FILTERING CALIBRATION Self-Calibration System Calibration Span and Offset Limits Power-Up and Calibration USING THE AD7715 CLOCKING AND OSCILLATOR CIRCUIT SYSTEM SYNCHRONIZATION RESET INPUT STANDBY MODE ACCURACY DRIFT CONSIDERATIONS POWER SUPPLIES Supply Current Grounding and Layout Evaluating the AD7715 Performance DIGITAL INTERFACE CONFIGURING THE AD7715 MICROCONTROLLER/MICROPROCESSOR INTERFACING AD7715 TO 68HC11 INTERFACE AD7715 TO 8XC51 INTERFACE AD7715 TO ADSP-2184N/ADSP-2185N/ ADSP-2186N/ADSP-2187N/ADSP-2188N/ ADSP-2189N INTERFACE CODE FOR SETTING UP THE AD7715 C CODE FOR INTERFACING AD7715 TO 68HC11 APPLICATIONS INFORMATION PRESSURE MEASUREMENT TEMPERATURE MEASUREMENT SMART TRANSMITTERS OUTLINE DIMENSIONS ORDERING GUIDE