ADM6320 Analog Devices, ADM6320 Datasheet - Page 8

• Manufacturer Part Number: ADM6320
• Description: Supervisory Circuit with Watchdog, Manual Reset, and Active-Low/Open-Drain
• Manufacturer: Analog Devices

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

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