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ADM8324 датащи(PDF) 3 Page - Analog Devices

номер детали ADM8324
подробное описание детали  Supervisory Circuits with Windowed Watchdog and Manual Reset in 5-Lead SOT-23
PDF  16 Pages
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производитель  AD [Analog Devices]
домашняя страница  http://www.analog.com
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ADM8324 датащи(HTML) 3 Page - Analog Devices

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Data Sheet
ADM8323/ADM8324
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
Supply Current
10
20
µA
VCC = 5.5 V, WDI = 0 V
10
18
µA
VCC = 3.6 V, WDI = 0 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 4
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 (ADM8323)
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
OPEN-DRAIN OUTPUT (ADM8324)
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
See
Table 5
Watchdog Timeout Period (Fast)
, tWD-FAST
Watchdog Timeout Option A
1
1.5
ms
Watchdog Timeout Option B
10
15
ms
Watchdog Timeout Option C
10
15
ms
Watchdog Timeout Option D
10
15
ms
Watchdog Timeout Option E
10
15
ms
Watchdog Timeout Option F
16
24
ms
Watchdog Timeout Option G
27
41
ms
Watchdog Timeout Option H
512
768
ms
Watchdog Timeout Period (Slow)
, tWD-SLOW
Watchdog Timeout Option A
10
15
ms
Watchdog Timeout Option B
100
150
ms
Watchdog Timeout Option C
300
450
ms
Watchdog Timeout Option D
10
15
sec
Watchdog Timeout Option E
60
90
sec
Watchdog Timeout Option F
44
66
ms
Watchdog Timeout Option G
76
114
ms
Watchdog Timeout Option H
1.24
1.86
sec



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