ADM825 Analog Devices, ADM825 Datasheet - Page 7

• Manufacturer Part Number: ADM825
• Description: Supervisory Circuit with Watchdog and Manual Reset in 5-Lead SC70 and SOT-23
• Manufacturer: Analog Devices

Specifications of ADM825

• # Of Monitored Voltages: 1
• Backup-battery Switch: No
• Manual Reset Capability: Yes
• Package: SC70,SOT
• Reset Threshold Summary: 7 Options--2.19 to 4.63V
• Reset Output-stage: Active-High/Push-Pull,Active-Low/Push-Pull
• Min Reset Timeout (ms): 140
• Watchdog Timer: No

TYPICAL PERFORMANCE CHARACTERISTICS
10.0
1.05
1.04
1.03
1.02
1.01
1.00
0.99
0.98
0.97
0.96
0.95
9.5
9.0
8.5
8.0
7.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
3.5
80
75
70
65
60
55
50
45
40
35
30
25
20
15
10
5
0
–40
–40
0
Figure 7. Normalized Reset Threshold vs. Temperature
ADM823L
ADM824Y
0.5
–20
–20
Figure 6. Supply Current vs. Supply Voltage
Figure 5. Supply Current vs. Temperature
1.0
0
0
1.5
TEMPERATURE (°C)
2.0
TEMPERATURE (°C)
20
20
ADM825R
2.5
V
40
CC
40
(V)
3.0
60
60
3.5
80
4.0
80
4.5
100
100
5.0
120
120
5.5
Rev. C | Page 7 of 12
Figure 8. Reset Comparator Propagation Delay vs. Temperature (V
Figure 9. Manual Reset to Reset Propagation Delay vs. Temperature
100
340
320
300
280
260
240
220
200
180
160
140
120
100
250
240
230
220
210
200
190
180
170
90
80
70
60
50
40
30
20
10
0
–40
–40
–40
Figure 10. Reset Timeout Period vs. Temperature
–20
–20
–20
0
0
0
ADM823/ADM824/ADM825
(ADM823/ADM825)
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
20
20
20
40
40
40
60
60
60
80
80
80
100
100
100
120
120
120
CC
Falling)