ADM811R 데이터 시트보기 (PDF) - Analog Devices

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ADM811R

Microprocessor Supervisory Circuit in 4-Lead SOT-143 with DSP

Analog Devices 

ADM811/ADM812

TABLE OF CONTENTS

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

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

Functional Block Diagram .............................................................. 1

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

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

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

Absolute Maximum Ratings............................................................ 4

ESD Caution.................................................................................. 4

Pin Configuration and Function Descriptions............................. 5

Typical Performance Characteristics ............................................. 6

Circuit Information .......................................................................... 7

REVISION HISTORY

3/13—Rev. F to Rev. G

Changes to Pin 4 Description; Table 3........................................... 5

Updated Outline Dimensions ......................................................... 9

Changes to Ordering Guide .......................................................... 10

8/09—Rev. E to Rev. F

Changes to Ordering Guide .......................................................... 10

5/08—Rev. D to Rev. E

Changes to Table 2............................................................................ 4

Changes to Outline Dimensions..................................................... 9

Changes to Ordering Guide .......................................................... 10

5/06—Rev. C to Rev. D

Changes to Ordering Guide ............................................................ 9

2/03—Rev. B to Rev. C

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

Changes to General Description .................................................... 1

Changes to Specifications ................................................................ 2

Removed Note 2 from Ordering Guide ......................................... 3

Changes to Pin Function Descriptions .......................................... 4

Removed Note from Table I ........................................................... 6

Data Sheet

Reset Thresholds ...........................................................................7

Reset Output ..................................................................................7

Manual Reset..................................................................................7

Glitch Immunity ............................................................................7

Interfacing to Other Devices............................................................8

Output .............................................................................................8

Benefits of a Very Accurate Reset Threshold ............................8

Ensuring a Valid RESET/Reset Output Down to VCC = 0 V....8

Outline Dimensions ..........................................................................9

Ordering Guide .......................................................................... 10

1/03—Rev. A to Rev. B

Added ADM812 ................................................................. Universal

Changes to Specifications.................................................................2

Changes to Ordering Guide .............................................................3

Changes to Pin Configuration .........................................................4

Changes to Pin Function Description ............................................4

Additions to Table I...........................................................................6

Changes to Manual Reset section....................................................6

5/02—Rev. 0 to Rev. A

Deletion of ADM812..........................................................Universal

Rev. G | Page 2 of 12

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