ADM823 Analog Devices, ADM823 Datasheet - Page 2

• Manufacturer Part Number: ADM823
• Description: Supervisory Circuit with Watchdog and Manual Reset in 5-Lead SC70 and SOT-23
• Manufacturer: Analog Devices

Specifications of ADM823

• Batt-backup-flg: No
• Manual Reset Capability: Yes
• Package: SC70,SOT
• Power Fail Indicator: No
• Reset Threshold Summary: 7 Options--2.19 to 4.63V
• Reset Output-stage: Active-Low/Push-Pull
• Min Reset Timeout (ms): 140
• Typ Watchdog Timeout (ms): 1600
• Watchdog Timer: Yes

ADM823/ADM824/ADM825
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 5
Pin Configurations and Function Descriptions ........................... 6
Typical Performance Characteristics ............................................. 7
Circuit Description........................................................................... 9
REVISION HISTORY
10/10—Rev. B to Rev. C
Updated Outline Dimensions ....................................................... 11
Changes to Ordering Guide .......................................................... 11
5/08—Rev. A to Rev. B
Changes to General Description Section ...................................... 1
Changes to Table 4............................................................................ 6
Changes to Ordering Guide .......................................................... 11
2/07—Rev. 0 to Rev. A
Updated Format..................................................................Universal
Changes to Ordering Guide .......................................................... 11
10/04—Revision 0: Initial Version
ESD Caution.................................................................................. 5
Rev. C | Page 2 of 12
Applications Information .............................................................. 10
Outline Dimensions ....................................................................... 11
Reset Output ..................................................................................9
Manual Reset Input .......................................................................9
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