Datenblatt-Suchmaschine für elektronische Bauteile |
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AD5274BRMZ-100-RL7 Datenblatt(PDF) 2 Page - Analog Devices |
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AD5274BRMZ-100-RL7 Datenblatt(HTML) 2 Page - Analog Devices |
2 / 28 page AD5272/AD5274 Data Sheet Rev. D | Page 2 of 28 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Electrical Characteristics—AD5272 .......................................... 3 Electrical Characteristics—AD5274 .......................................... 5 Interface Timing Specifications.................................................. 7 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 Write Operation.......................................................................... 19 Read Operation........................................................................... 20 RDAC Register............................................................................ 21 50-TP Memory Block ................................................................ 21 Write Protection ......................................................................... 21 50-TP Memory Write-Acknowledge Polling.......................... 23 Reset............................................................................................. 23 Resistor Performance Mode...................................................... 23 Shutdown Mode ......................................................................... 23 RDAC Architecture.................................................................... 23 Programming the Variable Resistor......................................... 23 EXT_CAP Capacitor.................................................................. 24 Terminal Voltage Operating Range ......................................... 24 Power-Up Sequence ................................................................... 24 Outline Dimensions....................................................................... 25 Ordering Guide .......................................................................... 25 REVISION HISTORY 3/13—Rev. C to Rev. D Changed Resistor Noise Density, RAW = 20 kΩ from 50 nV/√Hz to 13 nV/√Hz; Table 1...................................................................... 4 Changed Resistor Noise Density, RAW = 20 kΩ from 50 nV/√Hz to 13 nV/√Hz; Table 4...................................................................... 6 Updated Outline Dimensions....................................................... 25 11/10—Rev. B to Rev. C Changes to Figure 24...................................................................... 14 5/10—Rev. A to Rev. B Added LFCSP Package.................................................. Throughout Changed OTP to 50-TP ................................................ Throughout Changes to Features Section and Applications Section............... 1 Added Endnote 1.............................................................................. 1 Changes to Table 1............................................................................ 3 Added Table 3.................................................................................... 4 Changes to Table 4............................................................................ 5 Added Table 6.................................................................................... 6 Changes to Table 8 and Table 9....................................................... 9 Added Figure 5................................................................................ 10 Added Exposed Pad Note to Table 10.......................................... 10 Changes to Typical Performance Characteristics....................... 11 Changes to Resistor Performance Mode Section ....................... 23 Updated Outline Dimensions....................................................... 25 Changes to Ordering Guide .......................................................... 26 3/10—Rev. 0 to Rev. A Changes to Product Title and General Description Section .......1 Changes to Theory of Operation Section.................................... 15 10/09—Revision 0: Initial Version |
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