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AD5144BRUZ10 Datasheet(PDF) 2 Page - Analog Devices |
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AD5144BRUZ10 Datasheet(HTML) 2 Page - Analog Devices |
2 / 36 page AD5124/AD5144/AD5144A Data Sheet Rev. A | Page 2 of 36 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Functional Block Diagrams—TSSOP ............................................ 3 Specifications..................................................................................... 4 Electrical Characteristics—AD5124 .......................................... 4 Electrical Characteristics—AD5144 and AD5144A................ 7 Interface Timing Specifications................................................ 10 Shift Register and Timing Diagrams ....................................... 11 Absolute Maximum Ratings.......................................................... 13 Thermal Resistance .................................................................... 13 ESD Caution................................................................................ 13 Pin Configurations and Function Descriptions ......................... 14 Typical Performance Characteristics ........................................... 17 Test Circuits..................................................................................... 22 Theory of Operation ...................................................................... 23 RDAC Register and EEPROM.................................................. 23 Input Shift Register .................................................................... 23 Serial Data Digital Interface Selection, DIS............................ 23 SPI Serial Data Interface............................................................ 23 I2C Serial Data Interface ............................................................ 25 I2C Address.................................................................................. 25 Advanced Control Modes ......................................................... 27 EEPROM or RDAC Register Protection ................................. 28 Load RDAC Input Register (LRDAC) ..................................... 28 RDAC Architecture.................................................................... 31 Programming the Variable Resistor......................................... 31 Programming the Potentiometer Divider............................... 32 Terminal Voltage Operating Range ......................................... 32 Power-Up Sequence ................................................................... 32 Layout and Power Supply Biasing ............................................ 32 Outline Dimensions ....................................................................... 33 Ordering Guide .......................................................................... 34 REVISION HISTORY 12/12—Rev. 0 to Rev. A Changes to Table 12 and Table 13 ................................................ 25 10/12—Revision 0: Initial Version |
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