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AD5254BRUZ100 датащи(PDF) 2 Page - Analog Devices |
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AD5254BRUZ100 датащи(HTML) 2 Page - Analog Devices |
2 / 32 page AD5253/AD5254 Data Sheet Rev. C | Page 2 of 32 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 General Description ......................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 2 Electrical Characteristics ................................................................. 3 1 kΩ Version.................................................................................. 3 10 kΩ, 50 kΩ, 100 kΩ Versions .................................................. 5 Interface Timing Characteristics................................................ 7 Absolute Maximum Ratings............................................................ 8 ESD Caution.................................................................................. 8 Pin Configuration and Function Descriptions............................. 9 Typical Performance Characteristics ........................................... 10 I2C Interface..................................................................................... 14 I2C Interface General Description............................................ 14 I2C Interface Detail Description............................................... 15 I2C-Compatible 2-Wire Serial Bus........................................... 20 Theory of Operation ...................................................................... 21 Linear Increment/Decrement Commands ............................. 21 ±6 dB Adjustments (Doubling/Halving Wiper Setting) ....... 21 Digital Input/Output Configuration........................................ 22 Multiple Devices on One Bus ................................................... 22 Terminal Voltage Operation Range ......................................... 23 Power-Up and Power-Down Sequences.................................. 23 Layout and Power Supply Biasing............................................ 23 Digital Potentiometer Operation ............................................. 24 Programmable Rheostat Operation......................................... 24 Programmable Potentiometer Operation ............................... 25 Applications Information .............................................................. 26 RGB LED Backlight Controller for LCD Panels .................... 26 Outline Dimensions....................................................................... 28 Ordering Guide .......................................................................... 29 REVISION HISTORY 9/12—Rev. B to Rev. C Changed Temperature Range from –40°C to +85°C to –40°C to +105°C (Throughout).................................................................. 1 Changed WP Leakage Current from 5 µA to 8 µA, Table 1........ 4 Changed WP Leakage Current from 5 µA to 8 µA, Table 2........ 5 Changes to Figure 11 and Figure 12............................................. 12 Changes to Ordering Guide .......................................................... 29 10/09—Rev. A to Rev. B Change to Figure 27 ....................................................................... 15 9/05—Rev. 0 to Rev. A Change to Figure 6 ......................................................................... 10 Change to EEMEM Write Protection Section............................ 18 Changes to Figure 37...................................................................... 22 Deleted Table 13 and Table 14 ...................................................... 24 Change to Figure 43 ....................................................................... 25 Changes to Ordering Guide.......................................................... 29 5/03—Revision 0: Initial Version |
Аналогичный номер детали - AD5254BRUZ100 |
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Аналогичное описание - AD5254BRUZ100 |
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