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AD5280 bảng dữ liệu(PDF) 2 Page - Analog Devices

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Giải thích chi tiết về linh kiện  Single/Dual,15 V/5 V,256-Position I2C-Compatible Digital Potentiometer
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AD5280 bảng dữ liệu(HTML) 2 Page - Analog Devices

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AD5280/AD5282
Rev. C | Page 2 of
28
TABLE OF CONTENTS
Features .............................................................................................. 1
 
Applications....................................................................................... 1
 
General Description ......................................................................... 1
 
Functional Block Diagrams............................................................. 1
 
Revision History ............................................................................... 2
 
Specifications..................................................................................... 3
 
Electrical Characteristics............................................................. 3
 
Absolute Maximum Ratings............................................................ 5
 
Thermal Resistance ...................................................................... 5
 
ESD Caution.................................................................................. 5
 
Pin Configurations and Function Descriptions ........................... 6
 
Typical Performance Characteristics ............................................. 7
 
Test Circuits..................................................................................... 12
 
Theory of Operation ...................................................................... 14
 
Rheostat Operation .................................................................... 14
 
Potentiometer Operation........................................................... 14
 
Digital Interface .............................................................................. 16
 
2-Wire Serial Bus........................................................................ 16
 
Readback RDAC Value .............................................................. 17
 
Additional Programmable Logic Output ................................ 17
 
Self-Contained Shutdown Function and Programmable
Preset ............................................................................................ 17
 
Multiple Devices on One Bus ................................................... 17
 
Level Shift for Bidirectional Interface...................................... 18
 
Level Shift for Negative Voltage Operation ............................ 18
 
ESD Protection ........................................................................... 18
 
Terminal Voltage Operating Range ......................................... 18
 
Power-Up Sequence ................................................................... 18
 
Layout and Power Supply Bypassing ....................................... 19
 
Applications Information .............................................................. 20
 
Bipolar DC or AC Operation from Dual Supplies................. 20
 
Gain Control Compensation .................................................... 20
 
15 V, 8-Bit I2C DAC.................................................................... 20
 
8-Bit Bipolar DAC ...................................................................... 21
 
Bipolar Programmable Gain Amplifier................................... 21
 
Programmable Voltage Source with Boosted Output ........... 21
 
Programmable Current Source ................................................ 22
 
Programmable Bidirectional Current Source......................... 22
 
Programmable Low-Pass Filter ................................................ 23
 
Programmable Oscillator .......................................................... 23
 
RDAC Circuit Simulation Model............................................. 24
 
Macro Model Net List for RDAC ............................................. 24
 
Outline Dimensions ....................................................................... 25
 
Ordering Guide .......................................................................... 26
 
REVISION HISTORY
7/09—Rev. B to Rev. C
Changes to Features Section............................................................ 1
Updated Outline Dimensions, RU-14 ......................................... 25
Changes to Ordering Guide .......................................................... 26
8/07—Rev. A to Rev. B
Updated Operating Temperature Range Throughout ...................1
Changes to the Features Section.......................................................1
Changes to the General Description Section..................................1
Changes to Table 2..............................................................................3
Added the Thermal Resistance Section...........................................5
Changes to the Ordering Guide......................................................26
11/05—Rev. 0 to Rev. A
Updated Format................................................................... Universal
Updated Outline Dimensions .........................................................26
Changes to Ordering Guide ............................................................27
10/02—Revision 0: Initial Version


Số phần tương tự - AD5280

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
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Mô tả tương tự - AD5280

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