ADM705(2000) 查看數據表（PDF） - Analog Devices
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ADM705–ADM708–SPECIFICATIONS (VCC = 4.75 V to 5.5 V, TA = TMIN to TMAX unless otherwise noted.)
Parameter
VCC Operating Voltage Range
Supply Current
Reset Threshold
Reset Threshold Hysteresis
Reset Pulsewidth
RESET Output Voltage
Min
Typ
1.0
190
4.5
4.65
4.25
4.40
40
160
200
VCC – 1.5
RESET Output Voltage
VCC – 1.5
Watchdog Timeout Period (tWD)
WDI Pulsewidth (tWP)
WDI Input Threshold
Logic Low
Logic High
WDI Input Current
WDO Output Voltage
MR Pull-Up Current
MR Pulsewidth
MR Input Threshold
MR to Reset Output Delay
PFI Input Threshold
PFI Input Current
PFO Output Voltage
1.00
1.60
50
3.5
50
–150
–50
VCC – 1.5
100
250
150
2.0
1.2
1.25
–25
0.01
VCC – 1.5
Specifications subject to change without notice.
Max
5.5
250
4.75
4.50
280
0.4
0.3
0.3
0.4
2.25
0.8
150
0.4
600
0.8
250
1.3
25
0.4
Unit
V
µA
V
V
mV
ms
V
V
V
V
V
V
sec
ns
V
V
µA
µA
V
V
µA
ns
V
V
ns
V
nA
V
V
Test Conditions/Comments
ADM705, ADM707
ADM706, ADM708
ISOURCE = 800 µA
ISINK = 3.2 mA
VCC = 1 V, ISINK = 50 µA
VCC = 1.2 V, ISINK = 100 µA
ADM707, ADM708, ISOURCE = 800 µA
ADM707, ADM708, ISINK = 1.2 mA
VIL = 0.4 V, VIH = VCC × 0.8
WDI = VCC
WDI = 0 V
ISOURCE = 800 µA
ISINK = 1.2 mA
MR = 0 V
ISOURCE = 800 µA
ISINK = 3.2 mA
ABSOLUTE MAXIMUM RATINGS*
(TA = 25°C unless otherwise noted)
VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.3 V to +6 V
All Other Inputs . . . . . . . . . . . . . . . . . . –0.3 V to VCC + 0.3 V
Input Current
VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 mA
GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 mA
Digital Output Current . . . . . . . . . . . . . . . . . . . . . . . . . 20 mA
Power Dissipation, N-8 DIP . . . . . . . . . . . . . . . . . . . . 727 mW
θJA Thermal Impedance . . . . . . . . . . . . . . . . . . . . . 135°C/W
Power Dissipation, SO-8 SOIC . . . . . . . . . . . . . . . . . . 470 mW
θJA 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
Model
ADM705AN
ADM705AR
ADM706AN
ADM706AR
ADM707AN
ADM707AR
ADM707ARM
ADM708AN
ADM708AR
ADM708ARM
ORDERING GUIDE
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
N-8
SO-8
N-8
SO-8
N-8
SO-8
RM-8
N-8
SO-8
RM-8
–2–
REV. B
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