DAC8420_07 Datasheet, PDF (2/24 Pages) Analog Devices – Quad 12-Bit Serial Voltage Output DAC

DAC8420
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Electrical Characteristics............................................................. 3
Absolute Maximum Ratings............................................................ 6
Thermal Resistance ...................................................................... 6
ESD Caution.................................................................................. 6
Pin Configurations and Function Descriptions ........................... 8
Typical Performance Characteristics ........................................... 10
Theory of Operation ...................................................................... 14
Introduction ................................................................................ 14
Digital Interface Operation ....................................................... 14
REVISION HISTORY
5/07—Rev. A to Rev. B
Updated Format..................................................................Universal
Changes to Endnote 3 ...................................................................... 4
Changes to Table 3............................................................................ 6
Changes to Table 4............................................................................ 2
Updated Outline Dimensions ....................................................... 22
Changes to Ordering Guide .......................................................... 23
9/03—Rev. 0 to Rev. A
Changes to General Description .................................................... 1
Deleted Wafer Test Limits table ...................................................... 4
Deleted Dice Characteristics........................................................... 4
Updated Ordering Guide................................................................. 4
Added Power-Up Sequence section ............................................. 12
Updated Outline Dimensions ....................................................... 17
Correct Operation of CS and CLK........................................... 14
Using CLR and CLSEL .............................................................. 14
Programming the Analog Outputs .......................................... 14
VREFHI Input Requirements................................................... 16
Power-Up Sequence ................................................................... 16
Applications..................................................................................... 17
Power Supply Bypassing and Grounding................................ 17
Analog Outputs .......................................................................... 17
Reference Configuration ........................................................... 18
Isolated Digital Interface ........................................................... 19
Dual Window Comparator ....................................................... 20
MC68HC11 Microcontroller Interfacing................................ 20
DAC8420 to M68HC11 Interface Assembly Program .......... 21
Outline Dimensions ....................................................................... 22
Ordering Guide .......................................................................... 23
Rev. B | Page 2 of 24