(VCC = 4.75 V to 5.5 V, TA = TMIN to TMAX unless otherwise noted.)
ADM705–ADM708–SPECIFICATIONS
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
VCC Operating Voltage Range
Supply Current
1.0
5.5
250
V
µA
190
Reset Threshold
4.5
4.25
4.65
4.40
40
4.75
4.50
V
V
mV
ms
V
V
V
V
V
ADM705, ADM707
ADM706, ADM708
Reset Threshold Hysteresis
Reset Pulsewidth
RESET Output Voltage
160
VCC – 1.5
200
280
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
0.4
0.3
0.3
RESET Output Voltage
VCC – 1.5
0.4
V
Watchdog Timeout Period (tWD
)
1.00
50
1.60
2.25
sec
ns
WDI Pulsewidth (tWP
)
VIL = 0.4 V, VIH = VCC ×0.8
WDI Input Threshold
Logic Low
0.8
V
Logic High
WDI Input Current
3.5
V
50
–50
150
µA
µA
V
WDI = VCC
WDI = 0 V
ISOURCE = 800 µA
ISINK = 1.2 mA
–150
WDO Output Voltage
V
CC – 1.5
0.4
V
MR Pull-Up Current
MR Pulsewidth
MR Input Threshold
100
150
250
600
µA
ns
V
MR = 0 V
0.8
2.0
V
ns
MR to Reset Output Delay
250
PFI Input Threshold
PFI Input Current
PFO Output Voltage
1.2
–25
1.25
0.01
1.3
25
V
nA
V
V
CC – 1.5
ISOURCE = 800 µA
ISINK = 3.2 mA
0.4
V
Specifications subject to change without notice.
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
ORDERING GUIDE
Model
Temperature Range
Package Option
ADM705AN
ADM705AR
ADM706AN
ADM706AR
ADM707AN
ADM707AR
ADM707ARM
ADM708AN
ADM708AR
ADM708ARM
–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
N-8
SO-8
N-8
SO-8
N-8
SO-8
RM-8
N-8
θ
JA Thermal Impedance . . . . . . . . . . . . . . . . . . . . . 135°C/W
Power Dissipation, SO-8 SOIC . . . . . . . . . . . . . . . . . . 470 mW
θ
JA Thermal Impedance . . . . . . . . . . . . . . . . . . . . . 110°C/W
SO-8
RM-8
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
–2–
REV. B