ADM825 Analog Devices, ADM825 Datasheet - Page 3

• 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

SPECIFICATIONS
V
for ADM82xS, V
T
Table 2.
Parameter
SUPPLY
RESET THRESHOLD VOLTAGE
RESET THRESHOLD TEMPERATURE COEFFICIENT
RESET THRESHOLD HYSTERESIS
RESET TIMEOUT PERIOD
V
RESET/RESET
CC
A
CC
V
Supply Current
ADM82xL
ADM82xM
ADM82xT
ADM82xS
ADM82xR
ADM82xZ (SC70 Only)
ADM82xY (SC70 Only)
RESET Output Voltage
RESET Output Voltage (ADM824, ADM825)
= T
TO RESET DELAY
CC
= 4.75 V to 5.5 V for ADM82xL, V
Operating Voltage Range
MIN
to T
MAX
CC
, unless otherwise noted.
= 2.7 V to 3.6 V for ADM82xR, V
CC
= 4.5 V to 5.5 V for ADM82xM, V
Min
1
1.2
4.56
4.50
4.31
4.25
3.04
3.00
2.89
2.85
2.59
2.55
2.28
2.25
2.16
2.13
140
V
0.8 × V
0.8 × V
CC
CC
− 1.5
= 2.38 V to 2.75 V for ADM82xZ, V
CC
CC
Rev. C | Page 3 of 12
Typ
10
5
4.63
4.38
3.08
2.93
2.63
2.32
2.19
40
10
5
200
40
CC
Max
5.5
24
12
4.70
4.75
4.45
4.50
3.11
3.15
2.96
3.00
2.66
2.70
2.35
2.38
2.22
2.25
280
0.4
0.3
0.3
0.4
0.3
= 3.15 V to 3.6 V for ADM82xT, V
Unit
V
V
μA
μA
V
V
V
V
V
V
V
V
V
V
V
V
V
V
ppm/°C
mV
mV
ms
μs
V
V
V
V
V
V
V
V
CC
= 2.25 V to 2.75 V for ADM82xY,
ADM823/ADM824/ADM825
Test Conditions/Comments
T
T
WDI and MR unconnected
ADM82xL/M
WDI and MR unconnected
ADM82xT/S/R/Z/Y
T
T
T
T
T
T
T
T
T
T
T
T
T
T
ADM82xL/M
ADM82xT/S/R/Z/Y
V
V
ADM82xL/M
V
ADM82xT/S/R/Z/Y
T
V
V
ADM82xL/M
V
ADM82xT/S/R/Z/Y
V
ADM82xL/M
V
ADM82xT/S/R/Z/Y
V
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
A
TH
CC
CC
A
CC
CC
CC
CC
CC
CC
= 0°C to 70°C
= T
= 25°C
= T
= 25°C
= T
= 25°C
= T
= 25°C
= T
= 25°C
= T
= 25°C
= T
= 25°C
= T
= 0°C to 70°C, V
− V
= V
= V
falling, I
= V
= V
= V
= V
≥ 1.8 V, I
MIN
MIN
MIN
MIN
MIN
MIN
MIN
MIN
CC
TH
TH
TH
TH
TH
TH
to T
to T
to T
to T
to T
to T
to T
to T
= 100 mV
min, I
min, I
max, I
max, I
max, I
max, I
SINK
SOURCE
CC
MAX
MAX
MAX
MAX
MAX
MAX
MAX
MAX
SINK
SINK
= 3 V to 3.6 V
= 50 μA
SOURCE
SOURCE
SINK
SINK
= 150 μA
= 3.2 mA,
= 1.2 mA,
CC
= 3.2 mA,
= 1.2 mA,
= 1 V,
= 120 μA,
= 30 μA,