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AD5293BRUZ-20 bảng dữ liệu(PDF) 2 Page - Analog Devices |
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2 / 24 page AD5293 Rev. D | 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—20 kΩ Versions ...............................3 Resistor Performance Mode Code Range—20 kΩ Versions ...4 Electrical Characteristics—50 kΩ and 100 kΩ Versions..........5 Resistor Performance Mode Code Range—50 kΩ and 100 kΩ Versions...........................................................................................6 Interface Timing Specifications...................................................7 Timing Diagrams...........................................................................8 Absolute Maximum Ratings.............................................................9 Thermal Resistance .......................................................................9 ESD Caution...................................................................................9 Pin Configuration and Function Descriptions........................... 10 Typical Performance Characteristics ........................................... 11 Test Circuits..................................................................................... 17 Theory of Operation ...................................................................... 18 Serial Data Interface................................................................... 18 Shift Register ............................................................................... 18 RDAC Register............................................................................ 18 Write Protection ......................................................................... 18 Basic Operation .......................................................................... 18 Shutdown Mode.......................................................................... 18 Reset ............................................................................................. 19 Resistor Performance Mode...................................................... 19 SDO Pin and Daisy-Chain Operation ..................................... 19 RDAC Architecture .................................................................... 20 Programming the Variable Resistor......................................... 20 Programming the Potentiometer Divider ............................... 21 EXT_CAP Capacitor.................................................................. 21 Terminal Voltage Operating Range.......................................... 21 Applications Information .............................................................. 22 High Voltage DAC...................................................................... 22 Programmable Voltage Source with Boosted Output............ 22 High Accuracy DAC .................................................................. 22 Variable Gain Instrumentation Amplifier............................... 22 Audio Volume Control .............................................................. 23 Outline Dimensions ....................................................................... 24 Ordering Guide........................................................................... 24 REVISION HISTORY 3/11—Rev. C to Rev. D Changes to Table 1, Endnote 2 ................................................................4 Changes to Table 3, Endnote 2........................................................ 6 9/10—Rev. B to Rev. C Added CPOL = 0, CPHA = 1 to Figure 3 and Figure 4 Captions.....8 Changes to SDO Pin and Daisy-Chain Operation Section....... 19 3/10—Rev. A to Rev. B Changes to Resistor Noise Density Conditions (Table 3) ........... 6 12/09—Rev. 0 to Rev. A Added 50 kΩ and 100 kΩ Specifications.........................Universal Changes to Features Section............................................................ 1 Changes to Table 1............................................................................ 3 Changes to Table 2............................................................................ 4 Added Table 3; Renumbered Sequentially .................................... 5 Added Table 4.................................................................................... 6 Changes to Table 5............................................................................ 7 Changes to Table 6 and Note 1, Table 7 ......................................... 9 Changes to Typical Performance Characteristics Section......... 11 Changes to Programming the Variable Resistor Section .......... 20 Changes to Programming the Potentiometer Divider Section ............................................................................... 21 Changes to Ordering Guide Section ............................................ 24 4/09—Revision 0: Initial Version |
Số phần tương tự - AD5293BRUZ-20 |
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Mô tả tương tự - AD5293BRUZ-20 |
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