ADM812 Analog Devices, ADM812 Datasheet - Page 3
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ADM812
Manufacturer Part Number
ADM812
Description
Microprocessors Supervisory Circuit in 4-Lead SOT-143, Logic High RESET Output
Manufacturer
Analog Devices
Datasheet
1.ADM811.pdf
(12 pages)
Specifications of ADM812
# Of Monitored Voltages
1
Backup-battery Switch
No
Manual Reset Capability
Yes
Package
SOT
Reset Threshold Summary
6 Options--2.32 to 4.63V
Reset Output-stage
Active-High/Push-Pull
Min Reset Timeout (ms)
140
Watchdog Timer
No
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SPECIFICATIONS
V
models, unless otherwise noted.
Table 1.
Parameter
SUPPLY
RESET VOLTAGE THRESHOLD
RESET THRESHOLD TEMPERATURE COEFFICIENT
V
RESET ACTIVE TIMEOUT PERIOD
MANUAL RESET
RESET/RESET Output Voltage
CC
CC
Voltage
Current
ADM81xL
ADM81xL
ADM81xM
ADM81xM
ADM81xT
ADM81xT
ADM81xS
ADM81xS
ADM81xR
ADM81xR
ADM81xZ
ADM81xZ
Minimum Pulse Width
Glitch Immunity
RESET/RESET Propagation Delay
Pull-Up Resistance
The Manual Reset Circuit Acts On
Low (ADM812R/S/T/Z)
Low (ADM812L/M)
High (ADM812R/S/T/Z/L/M)
Low (ADM811R/S/T/Z)
Low (ADM811L/M)
Low (ADM811R/S/T/Z/L/M)
High (ADM811R/S/T/Z)
High (ADM811L/M)
TO RESET/RESET DELAY
= full operating range; T
An Input Rising Above
An Input Falling Below
An Input Rising Above
An Input Falling Below
A
= T
MIN
to T
MAX
; V
CC
typical = 5 V for L/M models, 3.3 V for T/S models, 3 V for R model, 2.5 V for Z
Min
1.2
4.54
4.50
4.30
4.25
3.03
3.00
2.88
2.85
2.58
2.55
2.28
2.25
140
300
10
0.7 × V
0.8 × V
1.0
10
2.3
0.8 × V
V
CC
× 1.5
CC
CC
CC
Rev. F | Page 3 of 12
Typ
8
5
4.38
3.08
2.63
20
0.5
4.63
2.93
2.32
30
40
100
20
Max
5.5
15
10
4.72
4.75
4.46
4.50
3.14
3.15
2.98
3.00
2.68
2.70
2.35
2.38
560
700
30
0.8
0.25 × V
0.3
0.4
0.3
0.4
0.3
CC
Unit
V
V
μA
μA
V
V
V
V
V
V
V
V
V
V
V
V
ppm/°C
μs
μs
ms
ms
μs
ns
μs
kΩ
V
V
V
V
V
V
V
V
V
V
V
V
Test Conditions/Comments
T
T
V
V
T
T
T
T
T
T
T
T
T
T
T
T
V
V
V
ADM811-3T only
V
V
V
V
V
V
1.8 V < V
V
V
V
V
V
A
A
A
A
A
A
A
A
A
A
A
A
A
A
CC
CC
OD
OD
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
= 0°C to 70°C
= −40°C to +85°C
= 25°C
= −40°C to +85°C
= 25°C
= −40°C to +85°C
= 25°C
= −40°C to +85°C
= 25°C
= −40°C to +85°C
= 25°C
= −40°C to +85°C
= 25°C
= −40°C to +85°C
< 5.5 V, ADM81xL/M, I
< 3.6 V, ADM81xR/S/T/Z, I
= V
> V
> V
> V
> V
= V
= V
= V
= V
> 1.0 V, I
> V
> V
= 125 mV, ADM81xL/M
= 125 mV, ADM81xR/S/T/Z
TH(MAX)
TH(MAX)
TH(MAX)
TH(MAX)
TH(MAX)
TH(MAX)
TH(MAX)
TH(MIN),
TH(MIN)
TH(MAX)
TH(MAX)
CC
< V
SINK
, I
, ADM81xL/M
, ADM81xL/M
, ADM81xR/S/T/Z
, ADM81xR/S/T/Z
, I
, I
, I
, I
I
SINK
SINK
ADM811/ADM812
SINK
SINK
SOURCE
SOURCE
TH(MIN)
= 50 μA
= 1.2 mA
= 3.2 mA
= 1.2 mA
= 3.2 mA
, I
= 500 μA
= 800 μA
SOURCE
OUT
= 150 μA
= 0 mA
OUT
= 0 mA