AD5420 Analog Devices, AD5420 Datasheet - Page 2

• Manufacturer Part Number: AD5420
• Description: Single-Channel, 12-/16-Bit, Serial Input, 4 mA to 20 mA, Current Source DAC
• Manufacturer: Analog Devices

Specifications of AD5420

• Resolution (bits): 16bit
• Max Pos Supply (v): +60V

AD5410/AD5420
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 7
Pin Configuration and Function Descriptions ............................. 8
Typical Performance Characteristics ........................................... 10
Terminology .................................................................................... 15
Theory of Operation ...................................................................... 16
REVISION HISTORY
11/11—Rev. B to Rev. C
Changes to Table 10 ........................................................................ 18
2/10—Rev. A to Rev. B
Changes to Figure 46 ..................................................................... 23
8/09—Rev. 0 to Rev. A
Changes to Features and General Description ............................ 1
Changes to Table 1 ............................................................................ 3
Changes to Table 2 ............................................................................ 5
Changes to Introduction to Table 4 and to Table 4 ...................... 7
Added Figure 6, Changes to Figure 5 and Table 5 ........................ 8
Added Feedback/Monitoring of Output Current Section,
Including Figure 45 to Figure 47; Renumbered Subsequent
Figures .............................................................................................. 23
Changes to Thermal and Supply Considerations Section and
Table 21 ............................................................................................ 26
Updated Outline Dimensions ....................................................... 28
Changes to Ordering Guide .......................................................... 28
3/09—Revision 0: Initial Version
AC Performance Characteristics ................................................ 5
Timing Characteristics ................................................................ 5
ESD Caution .................................................................................. 7
Architecture ................................................................................. 16
Serial Interface ............................................................................ 16
Power-On State ........................................................................... 18
Transfer Function ....................................................................... 18
Data Register ............................................................................... 18
Control Register .......................................................................... 18
Reset Register .............................................................................. 19
Rev. C | Page 2 of 28
AD5410/AD5420 Features ............................................................ 20
Applications Information .............................................................. 25
Outline Dimensions ....................................................................... 28
Status Register ............................................................................. 19
Fault Alert .................................................................................... 20
Asynchronous Clear (CLEAR) ................................................. 20
Internal Reference ...................................................................... 20
External Current Setting Resistor ............................................ 20
Digital Power Supply .................................................................. 20
External Boost Function............................................................ 20
Digital Slew Rate Control .......................................................... 21
I
Feedback/Monitoring of Output Current ............................... 23
Driving Inductive Loads ............................................................ 25
Transient Voltage Protection .................................................... 25
Layout Guidelines....................................................................... 25
Galvanically Isolated Interface ................................................. 25
Microprocessor Interfacing ....................................................... 26
Thermal and Supply Considerations ....................................... 26
Industrial Analog Output Application .................................... 27
Ordering Guide .......................................................................... 28
OUT
Filtering Capacitors ............................................................ 22