ADM6320 Analog Devices, ADM6320 Datasheet - Page 8
ADM6320
Manufacturer Part Number
ADM6320
Description
Supervisory Circuit with Watchdog, Manual Reset, and Active-Low/Open-Drain
Manufacturer
Analog Devices
Datasheet
1.ADM6319.pdf
(16 pages)
Specifications of ADM6320
Batt-backup-flg
No
Manual Reset Capability
Yes
Package
SOT
Power Fail Indicator
No
Reset Threshold Summary
26 Options--2.5 to 5V
Reset Output-stage
Active-Low/Open-Drain
Min Reset Timeout (ms)
1,1120,140,20
Typ Watchdog Timeout (ms)
102,1600,25,600,6.3
Watchdog Timer
Yes
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ADM6316/ADM6317/ADM6318/ADM6319/ADM6320/ADM6321/ADM6322
Figure 13. Normalized Watchdog Timeout Period vs. Temperature
160
140
120
100
80
60
40
20
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0
10
–40
(ADM6316/ADM6317/ADM6318/ADM6320/ADM6321)
Figure 14. Maximum V
V
V
TH
TH
= 2.93V
–20
= 4.63V
OVERDRIVE VOLTAGE (mV)
Threshold Overdrive
0
TEMPERATURE (°C)
CC
RESET OCCURS ABOVE CURVE
100
Transient Duration vs. Reset
20
40
60
1000
80
Rev. E | Page 8 of 16
Figure 16. Watchdog Input Minimum Pulse Width vs. Temperature
Figure 15. Manual Reset Minimum Pulse Width vs. Temperature
190
180
170
160
150
140
130
120
110
100
3.8
3.6
3.4
3.2
3.0
2.8
2.6
2.4
2.2
2.0
–40
–50
(ADM6316/ADM6317/ADM6319/ADM6320/ADM6322)
(ADM6316/ADM6317/ADM6318/ADM6320/ADM6321)
NEGATIVE PULSE
POSITIVE PULSE
TEMPERATURE (°C)
TEMPERATURE (°C)
0
10
50
60