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AD5121 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - Nonvolatile Digital Potentiometer - Analog Devices

भाग संख्या AD5121
समारोह Nonvolatile Digital Potentiometer
मैन्युफैक्चरर्स Analog Devices 
लोगो Analog Devices लोगो 
पूर्व दर्शन
1 Page
		
<?=AD5121?> डेटा पत्रक पीडीएफ

AD5121 pdf
AD5121/AD5141
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Electrical Characteristics—AD5121 .......................................... 3
Electrical Characteristics—AD5141 .......................................... 6
Interface Timing Specifications.................................................. 9
Shift Register and Timing Diagrams ....................................... 10
Absolute Maximum Ratings.......................................................... 12
Thermal Resistance .................................................................... 12
ESD Caution................................................................................ 12
Pin Configuration and Function Descriptions........................... 13
Typical Performance Characteristics ........................................... 14
Test Circuits..................................................................................... 19
Theory of Operation ...................................................................... 20
RDAC Register and EEPROM.................................................. 20
Input Shift Register..................................................................... 20
REVISION HISTORY
5/2017—Rev. B to Rev. C
Changes to Figure 7 and Table 9................................................... 13
Changes to Figure 16 and Figure 17............................................. 15
Updated Outline Dimensions ....................................................... 30
Changes to Ordering Guide .......................................................... 30
Change to Automotive Products Section .................................... 30
3/2016—Rev. A to Rev. B
Changes to Features Section............................................................ 1
Changes to Logic Supply Current Parameter, Table 2 ................. 4
Added Note 12, Table 2.................................................................... 5
Changes to Logic Supply Current Parameter, Table 3 ................. 7
Added Note 12, Table 3.................................................................... 8
Data Sheet
Serial Data Digital Interface Selection, DIS............................ 20
SPI Serial Data Interface............................................................ 20
I2C Serial Data Interface ............................................................ 22
I2C Address.................................................................................. 22
Advanced Control Modes ......................................................... 23
EEPROM or RDAC Register Protection ................................. 24
Load RDAC Input Register (LRDAC) ..................................... 24
INDEP Pin................................................................................... 24
RDAC Architecture.................................................................... 27
Programming the Variable Resistor......................................... 27
Programming the Potentiometer Divider............................... 28
Terminal Voltage Operating Range ......................................... 29
Power-Up Sequence ................................................................... 29
Layout and Power Supply Biasing ............................................ 29
Outline Dimensions ....................................................................... 30
Ordering Guide .......................................................................... 30
Automotive Products ................................................................. 30
Changes to Figure 7........................................................................ 13
Changes to Figure 16...................................................................... 15
Added Figure 17; Renumbered Sequentially .............................. 15
Changes to Figure 20...................................................................... 16
Change to Linear Gain Setting Mode Section ............................ 23
Changes to RDAC Architecture Section ..................................... 27
Changes to Ordering Guide .......................................................... 30
Added Automotive Products Section .......................................... 30
12/2012—Rev. 0 to Rev. A
Changes to Table 10 ....................................................................... 22
10/2012—Revision 0: Initial Version
Rev. C | Page 2 of 32

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