AD5422 Analog Devices, AD5422 Datasheet - Page 2
AD5422
Manufacturer Part Number
AD5422
Description
Single Channel, 16-Bit, Serial Input, Current Source & Voltage Output DAC
Manufacturer
Analog Devices
Datasheet
1.AD5412.pdf
(40 pages)
Specifications of AD5422
Resolution (bits)
16bit
Dac Update Rate
40kSPS
Dac Settling Time
18µs
Max Pos Supply (v)
+40V
Single-supply
No
Dac Type
I or V Out
Dac Input Format
SPI
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AD5412/AD5422
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Functional Block Diagram .............................................................. 3
Specifications ..................................................................................... 4
Absolute Maximum Ratings .......................................................... 10
Pin Configurations and Function Descriptions ......................... 11
Typical Performance Characteristics ........................................... 13
Terminology .................................................................................... 24
Theory of Operation ...................................................................... 26
REVISION HISTORY
11/11—Rev. C to Rev. D
Changes to Table 15 ........................................................................ 29
3/10—Rev. B to Rev. C
Changes to AVSS to GND Parameter in Table 5 ........................ 10
2/10—Rev. A to Rev. B
Changes to Thermal and Supply Considerations Section and
Table 25 ............................................................................................ 36
8/09—Rev. 0 to Rev. A
Changes to Table 2 ............................................................................ 4
Changes to Table 3 ............................................................................ 7
Changes to Introduction to Table 4 ................................................ 8
AC Performance Characteristics ................................................ 7
Timing Characteristics ................................................................ 8
ESD Caution ................................................................................ 10
General ......................................................................................... 13
Voltage Output ............................................................................ 15
Current Output ........................................................................... 20
Architecture ................................................................................. 26
Serial Interface ............................................................................ 27
Power-On State ........................................................................... 28
Data Register ............................................................................... 29
Control Register .......................................................................... 29
Reset Register .............................................................................. 30
Status Register ............................................................................. 30
Rev. D | Page 2 of 40
AD5412/AD5422 Features ............................................................ 31
Applications Information .............................................................. 35
Outline Dimensions ....................................................................... 38
Changes to Introduction to Table 5 and to Table 5 .................... 10
Changes to Pin Configurations and Function Descriptions
Section, Added Figure 6, Renumbered Subsequent Figures ..... 11
Changes to Theory of Operation Section.................................... 26
Changes to Architecture Section .................................................. 26
Changes to AD5412/AD5422 Features Section ......................... 31
Added IOUT Filtering Capacitors (LFCSP Package)Section,
Including Figure 69 to Figure 72 and Table 24 ........................... 33
Changes to Thermal and Supply Considerations Section ......... 36
Updated Outline Dimensions ....................................................... 38
Changes to Ordering Guide .......................................................... 39
5/09—Revision 0: Initial Version
Fault Alert .................................................................................... 31
Voltage Output Short Circuit Protection ................................ 31
Voltage Output Overrange ........................................................ 31
Voltage Output Force-Sense ..................................................... 31
Asynchronous Clear (CLEAR) ................................................. 31
Internal Reference ...................................................................... 31
External Current Setting Resistor ............................................ 31
Digital Power Supply .................................................................. 32
External Boost Function............................................................ 32
External Compensation Capacitor........................................... 32
Digital Slew Rate Control .......................................................... 32
I
Driving Inductive Loads ............................................................ 35
Transient Voltage Protection .................................................... 35
Galvanically Isolated Interface ................................................. 35
Microprocessor Interfacing ....................................................... 35
Layout Guidelines....................................................................... 35
Thermal and Supply Considerations ....................................... 36
Industrial Analog Output Module ........................................... 37
Ordering Guide .......................................................................... 39
OUT
Filtering Capacitors (LFCSP Package) ............................. 33