ADM823/ADM824/ADM825
2.0
1.8
190
180
Preliminary Technical Data
TIMEOUT PERIOD (s)
1.4
1.2
1.0
0.8
0.6
0.4
0.2
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MR MINIMUM PULSE WIDTH (ns)
1.6
170
160
150
140
130
120
110
100
鈥?0
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0
鈥?0
鈥?0
0
25
60
TEMPERATURE
85
125
0
50
TEMPERATURE (擄C)
100
Figure 11. Watchdog Timeout Period vs. Temperature
(ADM823/ADM824)
160
140
Figure 13. Manual Reset Minimum Pulse Width vs. Temperature
(ADM823/ADM825)
3.8
3.6
MAXIMUM TRANSIENT DURATION (碌s)
MINIMUM PULSE WIDTH (ns)
120
100
80
60
40
20
0
10
3.4
3.2
3.0
2.8
2.6
2.4
2.2
NEGATIVE PULSE
V
TH
= 4.9V
POSITIVE PULSE
V
TH
= 2.93V
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100
OVER DRIVE VOD (mV)
1000
2.0
鈥?0
10
60
TEMPERATURE (擄C)
110
160
Figure 12. Maximum V
CC
Transient Duration vs. Reset Threshold Overdrive
Figure 14. Watchdog Input Minimum Pulse Width vs. Temperature
(ADM823/ADM824)
Rev.PrB | Page 8 of 10
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