AD5372 データシートの表示（PDF） - Analog Devices

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AD5372

32-Channel, 16-/14-Bit, Serial Input, Voltage Output DAC

Analog Devices 

AD5372/AD5373

TABLE OF CONTENTS

Features .............................................................................................. 1

Applications....................................................................................... 1

Functional Block Diagram .............................................................. 1

Revision History ............................................................................... 2

General Description ......................................................................... 3

Specifications..................................................................................... 4

AC Characteristics........................................................................ 5

Timing Characteristics ................................................................ 6

Absolute Maximum Ratings............................................................ 9

ESD Caution.................................................................................. 9

Pin Configurations and Function Descriptions ......................... 10

Typical Performance Characteristics ........................................... 12

Terminology .................................................................................... 14

Theory of Operation ...................................................................... 15

DAC Architecture....................................................................... 15

Channel Groups.......................................................................... 15

A/B Registers and Gain/Offset Adjustment............................ 16

Load DAC.................................................................................... 16

Offset DACs ................................................................................ 16

Output Amplifier........................................................................ 17

Transfer Function ....................................................................... 17

REVISION HISTORY

7/11—Rev. B to Rev. C

Added 64-Lead LFCSP Package........................................Universal

Change to Features Section ............................................................. 1

Change to General Description Section ........................................ 3

Changes to Table 5............................................................................ 9

Added Figure 7; Renumbered Sequentially ................................ 10

Changes to Table 6.......................................................................... 10

Updated Outline Dimensions ....................................................... 24

Changes to Ordering Guide .......................................................... 25

2/08—Rev. A to Rev. B

Added Table 1.................................................................................... 3

Changes to t10 Parameter ................................................................. 6

Added t23 Parameter ......................................................................... 6

Changes to Figure 4.......................................................................... 7

Reference Selection .................................................................... 17

Calibration................................................................................... 18

Additional Calibration............................................................... 19

Reset Function ............................................................................ 19

Clear Function ............................................................................ 19

BUSY and LDAC Functions...................................................... 19

Power-Down Mode.................................................................... 20

Thermal Shutdown Function ................................................... 20

Toggle Mode................................................................................ 20

Serial Interface ................................................................................ 21

SPI Write Mode .......................................................................... 21

SPI Readback Mode ................................................................... 21

Register Update Rates ................................................................ 21

Channel Addressing and Special Modes ................................. 22

Special Function Mode.............................................................. 23

Applications Information .............................................................. 24

Power Supply Decoupling ......................................................... 24

Power Supply Sequencing ......................................................... 24

Interfacing Examples ................................................................. 24

Outline Dimensions ....................................................................... 25

Ordering Guide .......................................................................... 26

Changes to Absolute Maximum Ratings Section..........................9

Changes to Pin Configuration and Function Descriptions

Section.............................................................................................. 10

Changes to Reset Function Section.............................................. 18

12/07—Rev. 0 to Rev. A

Changes to Table 3.............................................................................6

Changes to AD5373 Transfer Function Section......................... 16

Changes to Calibration Section .................................................... 17

Changes to Table 8.......................................................................... 18

Changes to Register Update Rates Section.................................. 20

Changes to Ordering Guide .......................................................... 25

8/07—Revision 0: Initial Version

Rev. C | Page 2 of 28

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