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AD7760 数据表(PDF) 3 Page - Analog Devices |
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AD7760 数据表(HTML) 3 Page - Analog Devices |
3 / 37 page AD7760 Rev. A | Page 2 of 36 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 3 Specifications..................................................................................... 4 Timing Specifications .................................................................. 6 Timing Diagrams.......................................................................... 7 Absolute Maximum Ratings............................................................ 8 ESD Caution.................................................................................. 8 Pin Configuration and Function Descriptions............................. 9 Terminology .................................................................................... 11 Typical Performance Characteristics ........................................... 12 Theory of Operation ...................................................................... 18 Modulator Data Output Mode...................................................... 19 Modulator Inputs........................................................................ 19 Modulator Data Output Scaling ............................................... 19 Modulator Data Output Mode Interface ..................................... 20 Clock Divide-by-1 Mode (CDIV = 1) ..................................... 20 Clock Divide-by-2 Mode (CDIV = 0) ..................................... 20 Using the AD7760 in Modulator Output Mode..................... 21 AD7760 Interface............................................................................ 22 Reading Data............................................................................... 22 Reading Status and Other Registers......................................... 22 Sharing the Parallel Bus............................................................. 22 Synchronization.......................................................................... 22 Writing to the AD7760 .............................................................. 23 Clocking the AD7760 .................................................................... 24 Buffering the MCLK signal....................................................... 24 MCLK Jitter Requirements ....................................................... 24 Driving the AD7760....................................................................... 26 Using the AD7760...................................................................... 27 Decoupling and Layout Recommendations................................ 28 Supply Decoupling ..................................................................... 29 Additional Decoupling .............................................................. 29 Reference Voltage Filtering ....................................................... 29 Differential Amplifier Components ........................................ 29 Bias Resistor Selection ............................................................... 29 Layout Considerations............................................................... 29 Exposed Paddle........................................................................... 29 Programmable FIR Filter............................................................... 30 Downloading a User-Defined Filter ............................................ 31 Example Filter Download ......................................................... 31 AD7760 Registers ........................................................................... 33 Control Register 1—Address 0x0001 ...................................... 33 Control Register 2—Address 0x0002 ...................................... 33 Status Register (Read Only) ...................................................... 34 Offset Register—Address 0x0003............................................. 34 Gain Register—Address 0x0004............................................... 34 Overrange Register—Address 0x0005..................................... 34 Outline Dimensions....................................................................... 35 Ordering Guide .......................................................................... 35 |
类似零件编号 - AD7760 |
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类似说明 - AD7760 |
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