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ADM823 Datasheet(PDF) 3 Page - Analog Devices

Part No. ADM823
Description  Supervisory Circuits with Watchdog and Manual Reset in 5-Lead SC70 and SOT-23
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ADM823 Datasheet(HTML) 3 Page - Analog Devices

 
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Preliminary Technical Data
ADM823/ADM824/ADM825
Rev.PrB | Page 3 of 10
SPECIFICATIONS
VCC = 4.75 V to 5.5 V for ADM82_L, VCC = 4.5 V to 5.5 V for ADM82_M, VCC = 3.15 V to 3.6 V for ADM82_T,
VCC = 3 V to 3.6 V for ADM82_S, VCC = 2.7 V to 3.6 V for ADM82_R, VCC = 2.38 V to 2.75 V for ADM82_Z,
VCC = 2.25 V to 2.75 V for ADM82_Y, TA = TMIN to TMAX, unless otherwise noted
Table 2.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
SUPPLY
VCC Operating Voltage Range
1
5.5
V
TA = 0°C to +70°C
1.2
V
TA = TMIN to TMAX
Supply Current
10
24
µA
WDI and MR unconnected
ADM82_L/M
5
12
µA
WDI and MR unconnected
ADM82_T/S/R/Z/Y
RESET THRESHOLD VOLTAGE
ADM82_L
4.56
4.63
4.70
V
TA = 25°C
4.50
4.75
V
TA = TMIN to TMAX
ADM82_M
4.31
4.38
4.45
V
TA = 25°C
4.25
4.50
V
TA = TMIN to TMAX
ADM82_T
3.04
3.08
3.11
V
TA = 25°C
3.00
3.15
V
TA = TMIN to TMAX
ADM82_S
2.89
2.93
2.96
V
TA = 25°C
2.85
3.00
V
TA = TMIN to TMAX
ADM82_R
2.59
2.63
2.66
V
TA = 25°C
2.55
2.70
V
TA = TMIN to TMAX
ADM82_Z (SC70 only)
2.28
2.32
2.35
V
TA = 25°C
2.25
2.38
V
TA = TMIN to TMAX
ADM82_Y (SC70 only)
2.16
2.19
2.22
V
TA = 25°C
2.13
2.25
V
TA = TMIN to TMAX
RESET THRESHOLD TEMPERATURE COEFFICIENT
40
ppm/°C
RESET THRESHOLD HYSTERESIS
10
mV
ADM82_L/M
5
mV
ADM82_T/S/R/Z/Y
RESET TIMEOUT PERIOD
140
200
280
ms
VCC TO RESET DELAY
40
µs
VTH – VCC = 100 mV
RESET Output Voltage
0.4
V
VCC = VTH min, ISINK = 3.2 mA,
ADM82_L/M
0.3
V
VCC = VTH min, ISINK = 1.2 mA,
ADM82_T/S/R/Z/Y
0.3
V
TA = 0°C to 70°C, VCC = 1 V,
VCC falling, ISINK = 50 µA
VCC − 1.5
V
VCC = VTH max, ISOURCE = 120 µA,
ADM82_L/M
0.8 × VCC
V
VCC = VTH max, ISOURCE = 30 µA,
ADM82_T/S/R/Z/Y
RESET Output Short Circuit Current
800
µA
RESET = 0 V, VCC = 5.5 V,
ADM82_L/M
400
µA
RESET = 0 V, VCC = 5.5 V,
ADM82_T/S/R/Z/Y
RESET Output Voltage
0.4
V
VCC = VTH max, ISINK = 3.2 mA,
ADM824L/M, ADM825L/M
0.3
V
VCC = VTH max, ISINK = 1.2 mA,
ADM824T/S/R/Z/Y,
ADM825T/S/R/Z/Y
0.8 × VCC
V
VCC > = 1.8 V, ISOURCE = 150 µA


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