參數(shù)資料
型號: ADM708AN
廠商: ANALOG DEVICES INC
元件分類: 電源管理
英文描述: Low Cost uP Supervisory Circuits
中文描述: 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDIP8
封裝: PLASTIC, MS-001BA, DIP-8
文件頁數(shù): 2/8頁
文件大?。?/td> 143K
代理商: ADM708AN
ADM705–ADM708–SPECIFICATIONS
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
V
CC
Operating Voltage Range
Supply Current
1.0
5.5
250
V
μ
A
190
Reset Threshold
4.5
4.25
4.65
4.40
40
200
4.75
4.50
V
V
mV
ms
V
V
V
V
V
V
ADM705, ADM707
ADM706, ADM708
Reset Threshold Hysteresis
Reset Pulsewidth
RESET
Output Voltage
160
V
CC
– 1.5
280
I
SOURCE
= 800
μ
A
I
SINK
= 3.2 mA
V
CC
= 1 V, I
SINK
= 50
μ
A
V
CC
= 1.2 V, I
SINK
= 100
μ
A
ADM707, ADM708, I
SOURCE
= 800
μ
A
ADM707, ADM708, I
SINK
= 1.2 mA
0.4
0.3
0.3
RESET Output Voltage
V
CC
– 1.5
0.4
Watchdog Timeout Period (t
WD
)
WDI Pulsewidth (t
WP
)
WDI Input Threshold
Logic Low
Logic High
WDI Input Current
1.00
50
1.60
2.25
sec
ns
V
IL
= 0.4 V, V
IH
= V
CC
×
0.8
0.8
V
V
μ
A
μ
A
V
V
μ
A
ns
V
V
ns
3.5
50
–50
150
WDI = V
CC
WDI = 0 V
I
SOURCE
= 800
μ
A
I
SINK
= 1.2 mA
MR
= 0 V
–150
V
CC
– 1.5
WDO
Output Voltage
0.4
MR
Pull-Up Current
MR
Pulsewidth
MR
Input Threshold
100
150
250
600
0.8
2.0
MR
to Reset Output Delay
250
PFI Input Threshold
PFI Input Current
PFO Output Voltage
1.2
–25
V
CC
– 1.5
1.25
0.01
1.3
25
V
nA
V
V
I
SOURCE
= 800
μ
A
I
SINK
= 3.2 mA
0.4
Specifications subject to change without notice.
REV. B
–2–
(V
CC
= 4.75 V to 5.5 V, T
A
= T
MIN
to T
MAX
unless otherwise noted.)
ORDERING GUIDE
Model
Temperature Range
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
–40
°
C to +85
°
C
Package Option
ADM705AN
ADM705AR
ADM706AN
ADM706AR
ADM707AN
ADM707AR
ADM707ARM
ADM708AN
ADM708AR
ADM708ARM
N-8
SO-8
N-8
SO-8
N-8
SO-8
RM-8
N-8
SO-8
RM-8
ABSOLUTE MAXIMUM RATINGS
*
(T
A
= 25
°
C unless otherwise noted)
V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +6 V
All Other Inputs . . . . . . . . . . . . . . . . . . –0.3 V to V
CC
+ 0.3 V
Input Current
V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 mA
GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 mA
Digital Output Current . . . . . . . . . . . . . . . . . . . . . . . . . 20 mA
Power Dissipation, N-8 DIP . . . . . . . . . . . . . . . . . . . .727 mW
θ
JA
Thermal Impedance . . . . . . . . . . . . . . . . . . . . . 135
°
C/W
Power Dissipation, SO-8 SOIC . . . . . . . . . . . . . . . . . .470 mW
θ
JA
Thermal Impedance . . . . . . . . . . . . . . . . . . . . . 110
°
C/W
Operating Temperature Range
Industrial (A Version) . . . . . . . . . . . . . . . . .–40
°
C to +85
°
C
Lead Temperature (Soldering, 10 sec) . . . . . . . . . . . . . 300
°
C
Vapor Phase (60 sec) . . . . . . . . . . . . . . . . . . . . . . . . . 215
°
C
Infrared (15 sec) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220
°
C
Storage Temperature Range . . . . . . . . . . . . .–65
°
C to +150
°
C
ESD Rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .>5 kV
*
Stresses above those listed under Absolute Maximum Ratings may cause perma-
nent damage to the device. This is a stress rating only; functional operation of the
device at these or any other conditions above those listed in the operational
sections of this specification is not implied. Exposure to absolute maximum
ratings for extended periods of time may affect device reliability
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