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參數(shù)資料
| 型號： | MAX821 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 4-Pin レP Voltage Monitors with Pin-Selectable Power-On Reset Timeout Delay |
| 中文描述： | 4引腳、微處理器電壓監(jiān)測器，引腳可設(shè)置上電復位超時周期 |
| 文件頁數(shù)： | 2/8頁 |
| 文件大?。?/td> | 77K |
| 代理商： | MAX821 |
M
4-Pin μP Voltage Monitors with Pin-S elec table
Power-On Reset T imeout Delay
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
Terminal Voltage (with respect to GND)
V
CC
......................................................................-0.3V to 6.0V
All Other Inputs.......................................-0.3V to (V
CC
+ 0.3V)
Input Current, V
CC
, SRT......................................................20mA
Output Current, RESET or
RESET
.......................................20mA
ELECTRICAL CHARACTERISTICS
(V
CC
= full range, T
A
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= +25°C.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Continuous Power Dissipation (T
A
= +70°C)
SOT143-4 (derate 4mW/°C above +70°C)...................320mW
Operating Temperature Range .........................-40°C to +125°C
Storage Temperature Range.............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
SRT = unconnected
V
0.5V
CC
V
OPEN
SRT Input Threshold
0.9V
CC
V
IH
0.07V
CC
V
IL
ms
100
-100
160
200
t
RP
Reset Active Timeout Period
20
32
40
2.5
7.0
12
5.5
9
4.70
4.75
4.45
4.50
4.04
4.09
3.11
3.15
V
1.2
5.5
1.0
5.5
V
CC
Range
0.5
0.8
1
μs
50
V
CC
to Reset Delay (Note 1)
ppm/°C
30
Reset Threshold Tempco
V
2.55
2.70
V
TH
Reset Threshold (Note 1)
1.8
μA
I
CC
Supply Current
2.59
2.63
2.66
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
T
A
= -40°C to +85°C
T
A
= 0°C to +70°C
V
CC
falling at 1mV/μs
SRT = GND
SRT = V
CC
RESET
= low for MAX821,
RESET = high for MAX822
MAX82_R
MAX82_L/M/P,
V
CC
= 5.5V, I
OUT
= 0
MAX82_R/S/T/U,
V
CC
= 5.5V, I
OUT
= 0
CONDITIONS
4.56
4.50
4.31
4.25
3.97
3.91
3.04
3.00
4.63
4.38
MAX82_L
MAX82_M
4.00
2.89
2.85
2.74
2.70
2.93
2.96
3.00
2.81
2.85
3.08
MAX82_P
2.78
MAX82_S
MAX82_U
μA
-1
1
SRT Input Current (Note 2)
100
RESET
= low for MAX821,
RESET = high for MAX822
T
A
= +25°C
T
A
= T
MIN
to T
MAX
T
A
= +25°C
T
A
= T
MIN
to T
MAX
T
A
= +25°C
T
A
= -40°C to +125°C
T
A
= +25°C
T
A
= -40°C to +125°C
T
A
= +25°C
T
A
= -40°C to +125°C
MAX82_T
T
A
= +25°C
T
A
= -40°C to +125°C
T
A
= +25°C
T
A
= -40°C to +125°C
T
A
= +25°C
T
A
= -40°C to +125°C
T
A
= +25°C
T
A
= -40°C to +125°C
SRT = GND
SRT = V
CC
SRT = unconnected
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