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AD5232 数据表(PDF) 2 Page - Analog Devices |
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AD5232 数据表(HTML) 2 Page - Analog Devices |
2 / 24 page AD5232 Data Sheet Rev. C | Page 2 of 24 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Electrical Characteristics—10 kΩ, 50 kΩ, 100 kΩ Versions .. 3 Interface Timing Characteristics................................................ 5 Absolute Maximum Ratings............................................................ 7 Thermal Resistance ...................................................................... 7 ESD Caution.................................................................................. 7 Pin Configuration and Function Descriptions............................. 8 Typical Performance Characteristics ............................................. 9 Test Circuits..................................................................................... 12 Theory of Operation ...................................................................... 14 Scratch Pad and EEMEM Programming................................. 14 Basic Operation .......................................................................... 14 EEMEM Protection.................................................................... 14 Digital Input/Output Configuration........................................ 14 Serial Data Interface................................................................... 15 Daisy-Chaining Operation........................................................ 15 Advanced Control Modes ......................................................... 17 Using Additional Internal, Nonvolatile EEMEM................... 18 Terminal Voltage Operating Range ......................................... 18 Detailed Potentiometer Operation .......................................... 18 Programming the Variable Resistor......................................... 19 Programming the Potentiometer Divider............................... 20 Operation from Dual Supplies ................................................. 20 Application Programming Examples ...................................... 20 Equipment Customer Start-up Sequence for a PCB Calibrated Unit with Protected Settings................ 21 Flash/EEMEM Reliability.......................................................... 21 Evaluation Board ........................................................................ 21 Outline Dimensions....................................................................... 22 Ordering Guide .......................................................................... 22 REVISION HISTORY 11/13—Rev. B to Rev. C Changed t16 from 25 ms (max) to 25 ms (typ); Table 2 ............... 5 Changes to Ordering Guide .......................................................... 22 09/11—Rev. A to Rev. B Change to Resistor Noise Voltage Parameter in Table 1 ............. 4 10/09—Rev. 0 to Rev. A Updated Format..................................................................Universal Changes to Data Sheet Title ............................................................ 1 Changes to Features Section............................................................ 1 Changes to Applications Section.....................................................1 Change to Wiper Resistance Parameter, Table 1...........................3 Changes to CS Rise to RDY Fall Time Parameter, Table 2...........5 Changes to Figure 2 and Figure 3....................................................6 Changes to Figure 24...................................................................... 12 Added Figure 32 ............................................................................. 13 Changes to Serial Data Interface Section .................................... 15 Changes to Programming the Variable Resistor Section .......... 19 Changes to Ordering Guide.......................................................... 22 10/01—Revision 0: Initial Version |
类似零件编号 - AD5232_15 |
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类似说明 - AD5232_15 |
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