ADM6821 Analog Devices, ADM6821 Datasheet - Page 4

• Manufacturer Part Number: ADM6821
• Description: Low Voltage Supervisory Circuit with Watchdog, Manual Reset and Active-High, Push-Pull Reset Output
• Manufacturer: Analog Devices

Specifications of ADM6821

• Batt-backup-flg: No
• Manual Reset Capability: Yes
• Package: SOT
• Power Fail Indicator: No
• Reset Threshold Summary: 9 Options--1.58 to 4.63V
• Reset Output-stage: Active-High/Push-Pull
• Min Reset Timeout (ms): 140
• Typ Watchdog Timeout (ms): 1600
• Watchdog Timer: Yes

ADM6821/ADM6822/ADM6823/ADM6824/ADM6825
Parameter
WATCHDOG INPUT
(ADM6821/ADM6822/ADM6823/ADM6824)
Watchdog Timeout Period
WDI Pulse Width
WDI Input Threshold
WDI Input Current
V
V
IL
IH
Min
1.12
50
0.7 × V
−20
CC
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1.6
Typ
120
−15
Max
2.40
0.3 × V
160
CC
sec
ns
Unit
V
V
μA
μA
Test Conditions/Comments
V
V
WDI
WDI
= V
= 0
CC