AD7376
TABLE OF CONTENTS
Features .............................................................................................. 1
Programming the Variable Resistor......................................... 12
Programming the Potentiometer Divider............................... 13
3-Wire Serial Bus Digital Interface .......................................... 13
Daisy-Chain Operation ............................................................. 14
ESD Protection ........................................................................... 14
Terminal Voltage Operating Range ......................................... 14
Power-Up and Power-Down Sequences.................................. 14
Layout and Power Supply Biasing............................................ 15
Applications Information .............................................................. 16
High Voltage DAC...................................................................... 16
Programmable Power Supply ................................................... 16
Audio Volume Control .............................................................. 17
Outline Dimensions....................................................................... 18
Ordering Guide .......................................................................... 19
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Electrical Characteristics—10 kΩ Version................................ 3
Electrical Characteristics—50 kΩ, 100 kΩ Versions ............... 4
Timing Specifications .................................................................. 5
3-Wire Digital Interface................................................................... 6
Absolute Maximum Ratings............................................................ 7
ESD Caution.................................................................................. 7
Pin Configurations and Function Descriptions ........................... 8
Typical Performance Characteristics ............................................. 9
Theory of Operation ...................................................................... 12
11/05—Rev. 0 to Rev. A
REVISION HISTORY
Updated Format..................................................................Universal
Deleted DIP Package..........................................................Universal
Changes to Features ..........................................................................1
Separated Electrical Characteristics into Table 1 and Table 2.....3
Separated Interface Timing into Table 3 ........................................5
Changes to Table 1 Through Table 3...............................................3
Added Table 4 ....................................................................................6
Added Figure 2...................................................................................6
Changes to Absolute Maximum Ratings Section..........................7
Deleted Parametric Test Circuits Section.......................................7
Changes to Typical Performance Characteristics..........................9
Added Daisy-Chain Operation Section ...................................... 14
Added ESD Protection Section..................................................... 14
Added Terminal Voltage Operating Range Section................... 14
Added Power-Up and Power-Down Sequences Section........... 14
Added Layout and Power Supply Biasing Section ..................... 15
Added Applications Section.......................................................... 16
Updated Outline Dimensions....................................................... 18
Changes to Ordering Guide.......................................................... 19
8/11—Rev. C to Rev. D
Changes to Output Logic Low Conditions, Table 1..................... 3
Changes to Output Logic Low Conditions, Table 2..................... 5
Changes to Figure 28...................................................................... 14
Updates Outline Dimensions........................................................ 18
7/09—Rev. B to Rev. C
Changes to Features Section............................................................ 1
Updates Outline Dimensions........................................................ 19
Changes to Ordering Guide .......................................................... 20
3/07—Rev. A to Rev. B
Updated Format..................................................................Universal
Changes to Absolute Maximum Ratings....................................... 7
Changes to ESD Protection Section............................................. 14
Changes to Ordering Guide .......................................................... 19
10/97—Revision 0: Initial Version
Rev. D | Page 2 of 20
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