ADM825 Analog Devices, ADM825 Datasheet - Page 4

• 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

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