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AD5757ACPZ-REEL7 数据表(PDF) 2 Page - Analog Devices |
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AD5757ACPZ-REEL7 数据表(HTML) 2 Page - Analog Devices |
2 / 44 page AD5757 Rev. A | Page 2 of 44 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 General Description ......................................................................... 1 Product Highlights ........................................................................... 1 Companion Products ....................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 2 Detailed Functional Block Diagram .............................................. 3 Specifications..................................................................................... 4 AC Performance Characteristics ................................................ 6 Timing Characteristics ................................................................ 6 Absolute Maximum Ratings............................................................ 9 ESD Caution.................................................................................. 9 Pin Configuration and Function Descriptions........................... 10 Typical Performance Characteristics ........................................... 13 Current Outputs ......................................................................... 13 DC-to-DC Block......................................................................... 18 Reference ..................................................................................... 19 General......................................................................................... 20 Terminology .................................................................................... 21 Theory of Operation ...................................................................... 22 DAC Architecture....................................................................... 22 Power-On State of the AD5757 ................................................ 22 Serial Interface ............................................................................ 22 Transfer Function ....................................................................... 23 Registers ........................................................................................... 24 Programming Sequence to Write/Enable the Output Correctly ...................................................................................... 25 Changing and Reprogramming the Range ............................. 25 Data Registers ............................................................................. 26 Control Registers........................................................................ 28 Readback Operation .................................................................. 31 Device Features............................................................................... 33 Output Fault................................................................................ 33 Digital Offset and Gain Control............................................... 33 Status Readback During a Write .............................................. 33 Asynchronous Clear................................................................... 33 Packet Error Checking............................................................... 33 Watchdog Timer......................................................................... 34 Output Alert................................................................................ 34 Internal Reference ...................................................................... 34 External Current Setting Resistor ............................................ 34 HART ........................................................................................... 34 Digital Slew Rate Control.......................................................... 35 Power Dissipation Control........................................................ 35 DC-to-DC Converters............................................................... 35 AICC Supply Requirements—Static .......................................... 37 AICC Supply Requirements—Slewing ...................................... 37 External PMOS Mode................................................................ 38 Applications Information .............................................................. 39 Current Output Mode with Internal RSET................................ 39 Precision Voltage Reference Selection..................................... 39 Driving Inductive Loads............................................................ 39 Transient Voltage Protection .................................................... 40 Microprocessor Interfacing....................................................... 40 Layout Guidelines....................................................................... 40 Galvanically Isolated Interface ................................................. 41 Outline Dimensions ....................................................................... 42 Ordering Guide .......................................................................... 42 REVISION HISTORY 5/11—Rev. 0 to Rev. A Changes Features Section ................................................................ 1 Changes to Figure 2.......................................................................... 3 Changed AVDD Min Parameter from 10.8 V to 9 V ..................... 5 Changes to Pin 22, Pin31, Pin 49 Descriptions .......................... 11 Changes to Pin 58 Descriptions.................................................... 12 Changes to Figure 8, Figure 9, and Figure 10 ............................. 13 Added Figure 23, Renumbered Sequentially .............................. 15 Added Figure 29.............................................................................. 16 Added External PMOS Mode Section and Figure 62 ................ 38 4/11—Revision 0: Initial Version |
类似零件编号 - AD5757ACPZ-REEL7 |
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类似说明 - AD5757ACPZ-REEL7 |
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