ADR444BRZ-REEL7(RevE) Просмотр технического описания (PDF) - Analog Devices

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ADR444BRZ-REEL7
(Rev.:RevE)

Ultralow Noise, LDO XFET Voltage References with Current Sink and Source

Analog Devices 

ADR440/ADR441/ADR443/ADR444/ADR445

TABLE OF CONTENTS

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

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

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

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

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

Specifications..................................................................................... 3

ADR440 Electrical Characteristics............................................. 3

ADR441 Electrical Characteristics............................................. 4

ADR443 Electrical Characteristics............................................. 5

ADR444 Electrical Characteristics............................................. 6

ADR445 Electrical Characteristics............................................. 7

Absolute Maximum Ratings............................................................ 8

Thermal Resistance ...................................................................... 8

ESD Caution.................................................................................. 8

Typical Performance Characteristics ............................................. 9

Theory of Operation ...................................................................... 14

Power Dissipation Considerations........................................... 14

Basic Voltage Reference Connections ..................................... 14

Noise Performance ..................................................................... 14

Turn-On Time ............................................................................ 14

Applications Information .............................................................. 15

Output Adjustment .................................................................... 15

Bipolar Outputs .......................................................................... 15

Programmable Voltage Source ................................................. 15

Programmable Current Source ................................................ 16

High Voltage Floating Current Source .................................... 16

Precision Output Regulator (Boosted Reference)................. 16

Outline Dimensions ....................................................................... 17

Ordering Guide .......................................................................... 18

REVISION HISTORY

11/10—Rev. D to Rev. E

Deleted Negative Reference Section............................................. 15

Deleted Figure 37; Renumbered Sequentially ............................ 15

3/10—Rev. C to Rev. D

Changes to Figure 37...................................................................... 15

Updated Outline Dimensions ....................................................... 18

3/08—Rev. B to Rev. C

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

Change to Figure 11 ....................................................................... 10

Changes to Figure 36...................................................................... 15

Changes to Figure 39...................................................................... 16

Changes to Figure 41...................................................................... 17

Updated Outline Dimensions ....................................................... 18

8/07—Rev. A to Rev. B

Change to Table 2, Ripple Rejection Ratio Specification ............ 3

Change to Table 3, Ripple Rejection Ratio Specification ............ 4

Change to Table 4, Ripple Rejection Ratio Specification ............ 5

Change to Table 5, Ripple Rejection Ratio Specification ............ 6

Change to Table 6, Ripple Rejection Ratio Specification ............ 7

9/06—Rev. 0 to Rev. A

Updated Format..................................................................Universal

Changes to Features ..........................................................................1

Changes to Pin Configurations .......................................................1

Changes to Specifications Section...................................................3

Changes to Figure 4 and Figure 5....................................................9

Inserted Figure 6 and Figure 7.........................................................9

Changes to Figure 15...................................................................... 11

Changes to Power Dissipation Considerations Section ............ 14

Changes to Figure 35 and Figure 36............................................. 15

Changes to Figure 38 and Table 9................................................. 16

Updated Outline Dimensions....................................................... 18

Changes to Ordering Guide .......................................................... 19

10/05—Revision 0: Initial Version

Rev. E | Page 2 of 20

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