ADCMP391/ADCMP392/ADCMP393

Data Sheet

Rev. D | Page 2 of 17

TABLE OF CONTENTS

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

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

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

Functional Block Diagrams............................................................. 1

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

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

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

Thermal Resistance ...................................................................... 4

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

Pin Configurations and Function Descriptions ........................... 5

Typical Performance Characteristics ............................................. 7

Theory of Operation ...................................................................... 10

Basic Comparator....................................................................... 10

Rail-to-Rail Input (RRI) ............................................................ 10

Open-Drain Output................................................................... 10

Power-Up Behavior.................................................................... 10

Crossover Bias Point .................................................................. 10

Comparator Hysteresis .............................................................. 10

Typical Applications....................................................................... 11

Adding Hysteresis....................................................................... 11

Window Comparator for Positive Voltage Monitoring......... 11

Window Comparator for Negative Voltage Monitoring .......... 12

Programmable Sequencing Control Circuit............................... 12

Mirrored Voltage Sequencer Example..................................... 14

Threshold and Timeout Programmable Voltage Supervisor .... 15

Outline Dimensions....................................................................... 16

Ordering Guide .......................................................................... 17

REVISION HISTORY

4/16—Rev. C to Rev. D

Changes to Adding Hysteresis Section ........................................ 11

Changes to Figure 34...................................................................... 13

3/15—Rev. B to Rev. C

Added ADCMP391/ADCMP392 (Throughout) ......................... 1

Changes to Equation 4..............................................................................12

Changes to Equation 13 and 15..............................................................13

Changes to Ordering Guide .......................................................... 18

10/14—Rev. A to Rev. B

Added TSSOP Package (Throughout)........................................... 1

Changes to Data Sheet Title...................................................................... 1

Added Figure 3; Renumbered Sequentially .................................. 5

Changes to Open-Drain Output Section ......................................... 9

Changes to Programming Sequencing Control Circuit Section;

Added Figure 25; Changes to Figure 26........................................ 11

Changes to Figure 27 and Figure 28 ............................................ 12

Changes to Figure 29...................................................................... 13

Changes to Mirrored Voltage Sequencer Example Section ...... 13

Changes to Figure 30, and Figure 31 ........................................... 14

Added Figure 32, Outline Dimensions........................................ 15

Changes to Ordering Guide.......................................................... 15

6/14—Rev. 0 to Rev. A

Changes to Product Title..................................................................1

Changes to Mirrored Voltage Sequencer Example Section ...... 14

Changes to Threshold and Timeout Programmable Voltage

Supervisor Section.......................................................................... 14

5/14—Revision 0: Initial Version