Datasheet

ADM823/ADM824/ADM825 Data Sheet
Rev. D | Page 4 of 12
Parameter Min Typ Max Unit Test Conditions/Comments
WATCHDOG INPUT (ADM823, ADM824)
Watchdog Timeout Period 1.12 1.6 2.40 sec
WDI Pulse Width 50 ns V
IL
= 0.4 V, V
IH
= 0.8 × V
CC
WDI Input Threshold, V
IL
0.7 × V
CC
0.3 × V
CC
V
WDI Input Current
120
160
µA
V
WDI
= V
CC
, time average
−20 −15 µA V
WDI
= 0 V, time average
MANUAL RESET INPUT (ADM823, ADM825)
MR
Input Threshold 0.7 × V
CC
0.3 × V
CC
V
MR
Input Pulse Width 1 µs
MR
Glitch Rejection 100 ns
MR
Pull-Up Resistance 35 52 75 kΩ
MR
to Reset Delay 500 ns