ADR4520/ADR4525/ADR4530/ADR4533/ADR4540/ADR4550

Data Sheet

Rev. D | Page 2 of 40

TABLE OF CONTENTS

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

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

General Description......................................................................... 1

Pin Configurations........................................................................... 1

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

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

ADR4520 Electrical Characteristics........................................... 4

ADR4525 Electrical Characteristics........................................... 5

ADR4530 Electrical Characteristics........................................... 6

ADR4533 Electrical Characteristics........................................... 7

ADR4540 Electrical Characteristics........................................... 8

ADR4550 Electrical Characteristics........................................... 9

Absolute Maximum Ratings ......................................................... 10

Thermal Resistance .................................................................... 10

ESD Caution................................................................................ 10

Pin Configurations and Function Descriptions......................... 11

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

ADR4520 ..................................................................................... 12

ADR4525 ..................................................................................... 15

ADR4530 ..................................................................................... 19

ADR4533 ..................................................................................... 22

ADR4540 ..................................................................................... 25

ADR4550 ..................................................................................... 29

Terminology.................................................................................... 33

Applications Information ............................................................. 34

Basic Voltage Reference Connection ...................................... 34

Input and Output Capacitors ................................................... 34

Location of Reference in System.............................................. 34

Power Dissipation...................................................................... 34

Sample Applications .................................................................. 34

Long-Term Drift ........................................................................ 35

Thermal Hysteresis .................................................................... 36

Humidity Sensitivity.................................................................. 37

Power Cycle Hysteresis ............................................................. 38

Outline Dimensions....................................................................... 39

Ordering Guide .......................................................................... 39

Automotive Products ................................................................ 40

REVISION HISTORY

1/2021—Rev. C to Rev. D

Added 8-Lead LCC Package ........................................Throughout

Changes to Features Section, General Description Section, and

Table 1..........................................................................................................1

Added Figure 2; Renumbered Sequentially..........................................1

Changes to Table 4 ........................................................................... 5

Changes to Table 7 ........................................................................... 8

Changes to Table 8 ........................................................................... 9

Changes to Table 9 and Table 10 ................................................. 10

Added Figure 4 and Table 11; Renumbered Sequentially ........ 11

Changes to Typical Performance Characteristics Section........ 12

Changes to Figure 110 and Figure 11 .......................................... 35

Added Figure 112 ........................................................................... 35

Changes to Figure 113 to Figure 116........................................... 36

Added Figure 117 ........................................................................... 36

Added Figure 118 ........................................................................... 37

Changes to Figure 120 and Figure 121........................................ 37

Changes to Figure 122 ................................................................... 38

Added Figure 124 ........................................................................... 38

Changes to Ordering Guide.......................................................... 38

3/2020—Rev. B to Rev. C

Added ADR4540 C Grade and ADR4550 C Grade .Throughout

Changes to Table 4............................................................................5

Changes to Table 7............................................................................8

Changes to Table 8............................................................................9

Deleted Figure 32, Renumbered Sequentially ............................ 18

Changes to Figure 39 ..................................................................... 19

Changes to Figure 52 ..................................................................... 22

Added Figure 69, Renumbered Sequentially.............................. 26

Changes to Figure 79 ..................................................................... 28

Added Figure 83 ............................................................................. 29

Updated Ordering Guide .............................................................. 41

12/2018—Rev. A to Rev. B

Changes to Features Section, Table 1, and Table 2 ......................1

Changes to Table 3............................................................................4

Changes to Table 4............................................................................5

Changes to Table 5............................................................................6

Changes to Table 6............................................................................7

Changes to Table 7............................................................................8

Changes to Table 8............................................................................9