ADM6821 Analog Devices, ADM6821 Datasheet - Page 2
ADM6821
Manufacturer Part Number
ADM6821
Description
Low Voltage Supervisory Circuit with Watchdog, Manual Reset and Active-High, Push-Pull Reset Output
Manufacturer
Analog Devices
Datasheet
1.ADM6825.pdf
(12 pages)
Specifications of ADM6821
Batt-backup-flg
No
Manual Reset Capability
Yes
Package
SOT
Power Fail Indicator
No
Reset Threshold Summary
9 Options--1.58 to 4.63V
Reset Output-stage
Active-High/Push-Pull
Min Reset Timeout (ms)
140
Typ Watchdog Timeout (ms)
1600
Watchdog Timer
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
ADM6821/ADM6822/ADM6823/ADM6824/ADM6825
TABLE OF CONTENTS
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 5
Pin Configurations and Function Descriptions ........................... 6
Typical Performance Characteristics ............................................. 7
Circuit Description........................................................................... 9
REVISION HISTORY
6/05—Revision 0: Initial Version
ESD Caution.................................................................................. 5
Reset Output ................................................................................. 9
Manual Reset Input ...................................................................... 9
Rev. 0 | Page 2 of 12
Application Information................................................................ 10
Outline Dimensions ....................................................................... 11
Watchdog Input .............................................................................9
Watchdog Input Current ........................................................... 10
Negative-Going V
Ensuring Reset Valid to V
Watchdog Software Considerations......................................... 10
Ordering Guide .......................................................................... 11
CC
Transients ................................................ 10
CC
= 0 V ........................................... 10