ADR420/ADR421/ADR423/ADR425
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Pin Configuration............................................................................. 1
General Description ......................................................................... 1
ADR42x Products ............................................................................. 1
Revision History ............................................................................... 3
Specifications..................................................................................... 4
ADR420 Electrical Specifications............................................... 4
ADR421 Electrical Specifications............................................... 5
ADR423 Electrical Specifications............................................... 6
ADR425 Electrical Specifications............................................... 7
Absolute Maximum Ratings............................................................ 8
Thermal Resistance ...................................................................... 8
ESD Caution.................................................................................. 8
Pin Configurations and Function Descriptions ........................... 9
Typical Performance Characteristics ........................................... 10
Terminology .................................................................................... 16
Theory of Operation ...................................................................... 17
Data Sheet
Device Power Dissipation Considerations.............................. 17
Basic Voltage Reference Connections ..................................... 17
Noise Performance ..................................................................... 17
Turn-On Time ............................................................................ 17
Applications..................................................................................... 18
Output Adjustment .................................................................... 18
Reference for Converters in Optical Network Control
Circuits......................................................................................... 18
High Voltage Floating Current Source .................................... 18
Kelvin Connections.................................................................... 19
Dual-Polarity References........................................................... 19
Programmable Current Source ................................................ 20
Programmable DAC Reference Voltage .................................. 20
Precision Voltage Reference for Data Converters .................. 21
Precision Boosted Output Regulator ....................................... 21
Outline Dimensions ....................................................................... 22
Ordering Guide .......................................................................... 23
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