Datasheet AD7765 (Analog Devices) - 2

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Technical Articles
• MS-2210: Designing Power Supplies for High Speed ADC
EVALUATION KITS
• Vibration Analysis Using ADCs Keeps Industrial • AD7764/AD7765 Evaluation Kit Equipment Working
DOCUMENTATION DESIGN RESOURCES Data Sheet
• AD7765 Material Declaration • AD7765: 24-Bit, 156 kSPS, 112 dB Sigma-Delta ADC with • PCN-PDN Information On-Chip Buffers and Serial Interface Data Sheet • Quality And Reliability • Symbols and Footprints
SOFTWARE AND SYSTEMS REQUIREMENTS
• AD7764/AD7765 Evaluation Board Software
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TOOLS AND SIMULATIONS
• Sigma-Delta ADC Tutorial
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REFERENCE DESIGNS
• CN0157
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Document Outline Features Applications General Description Functional Block Diagram Revision History Specifications Timing Specifications Timing Diagrams Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Terminology Theory of Operation Σ-Δ Modulation and Digital Filtering AD7765 Antialias Protection AD7765 Input Structure On-Chip Differential Amplifier Modulator Input Structure Driving the Modulator Inputs Directly AD7765 Interface Reading Data Reading Status and Other Registers Writing to the AD7765 AD7765 Functionality Synchronization Overrange Alerts Power Modes Low Power Mode RESET/PWRDWN Mode Decimation Rate Pin Daisy Chaining Reading Data in Daisy-Chain Mode Writing Data in Daisy-Chain Mode Clocking the AD7765 MCLK Jitter Requirements Example 1 Example 2 Decoupling and Layout Information Supply Decoupling Reference Voltage Filtering Differential Amplifier Components Layout Considerations Using the AD7765 Bias Resistor Selection AD7765 Registers Control Register Status Register Gain Register—Address 0x0004 Non-Bit-Mapped, Default Value 0xA000 Overrange Register—Address 0x0005 Non-Bit-Mapped, Default Value 0xCCCC Outline Dimensions Ordering Guide