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ADM8319WB31ARJZR7 Datasheet(PDF) 3 Page - Analog Devices

Part # ADM8319WB31ARJZR7
Description  Supervisory Circuits with Watchdog and Manual Reset in 5-Lead SOT-23
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADM8319WB31ARJZR7 Datasheet(HTML) 3 Page - Analog Devices

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Data Sheet
ADM8316/ADM8318/ADM8319/ADM8320/ADM8321/ADM8322
Rev. 0 | Page 3 of 16
SPECIFICATIONS
VCC = (VTH + 1.5%) to 5.5 V, TA = −40°C to +125°C, unless otherwise noted. Typical values are at TA = 25°C.
Table 1.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
SUPPLY
VCC Operating Voltage Range1
0.9
5.5
V
VCC that Guarantees Valid Output
0.9
V
Supply Current (WDI Floating)
10
20
µA
VCC = 5.5 V
10
18
µA
VCC = 3.6 V
RESET THRESHOLD VOLTAGE2
VTH − 1%
VTH
VTH + 1%
V
TA = 25°C
VTH − 1.5%
VTH
VTH + 1.5%
V
TA = −40°C to +125°C
RESET THRESHOLD TEMPERATURE COEFFICIENT
20
ppm/°C
RESET THRESHOLD HYSTERESIS
2.5 × VTH
mV
RESET TIMEOUT PERIOD
See Table 7
Reset Timeout Option A
1
1.4
1.8
ms
Reset Timeout Option B
20
28
36
ms
Reset Timeout Option C
140
200
260
ms
Reset Timeout Option D
1120
1600
2080
ms
VCC TO RESET DELAY, tRD
90
µs
VCC falling at 1 mV/µs
PUSH-PULL OUTPUT (ADM8316, ADM8318, ADM8319,
ADM8321, ADM8322)
RESET Output Voltage
0.2
V
VCC ≥ 0.9 V, ISINK = 25 µA
0.2
V
VCC ≥ 1.2 V, ISINK = 100 µA
0.2
V
VCC ≥ 2.7 V, ISINK = 1.2 mA
0.3
V
VCC ≥ 4.5 V, ISINK = 3.2 mA
0.9 × VCC
V
VCC ≥ 2.7 V, ISOURCE = 500 µA
0.9 × VCC
V
VCC ≥ 4.5 V, ISOURCE = 800 µA
RESET Rise Time
50
100
ns
From 10% to 90% VCC, CL = 5 pF,
VCC = 3.3 V
RESET Output Voltage
0.2
V
VCC ≥ 2.7 V, ISINK = 1.2 mA
0.3
V
VCC ≥ 4.5 V, ISINK = 3.2 mA
0.9 × VCC
V
VCC ≥ 2.7 V, ISOURCE = 500 µA
0.9 × VCC
V
VCC ≥ 4.5 V, ISOURCE = 800 µA
OPEN-DRAIN OUTPUT (ADM8320, ADM8321, ADM8322)
RESET Output Voltage
0.2
V
VCC ≥ 0.9 V, ISINK = 25 µA
0.2
V
VCC ≥ 1.2 V, ISINK = 100 µA
0.2
V
VCC ≥ 2.7 V, ISINK = 1.2 mA
0.3
V
VCC ≥ 4.5 V, ISINK = 3.2 mA
Open-Drain Reset Output Leakage Current
1
µA
WATCHDOG INPUT (ADM8316, ADM8318, ADM8320,
ADM8321)
Watchdog Timeout Period, tWD
See Table 8
Watchdog Timeout Option W
4.5
6.3
8.1
ms
Watchdog Timeout Option X
72
102
132
ms
Watchdog Timeout Option Y
1.12
1.6
2.24
sec
Watchdog Timeout Option Z
18.0
25.6
33.2
sec
WDI Pulse Width
50
ns
VIL = 0.3 × VCC, VIH = 0.7 × VCC
WDI Input Threshold
0.3 × VCC
0.7 × VCC
V
WDI Input Current
35
100
µA


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