ADM705ANZ(2016) 查看數據表（PDF） - Analog Devices
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ADM705ANZ Datasheet PDF : 8 Pages
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Data Sheet
ADM705/ADM706/ADM707/ADM708
SPECIFICATIONS
VCC = 4.75 V to 5.5 V, TA = TMIN to TMAX, unless otherwise noted.
Table 1.
Parameter
POWER SUPPLY
VCC Operating Voltage Range
Supply Current
LOGIC OUTPUT
Reset Threshold
Reset Threshold Hysteresis
RESET PULSE WIDTH
RESET OUTPUT VOLTAGE
RESET OUTPUT VOLTAGE
WATCHDOG TIMEOUT PERIOD (tWD)
WDI Pulse Width (tWP)
WATCHDOG INPUT
WDI Input Threshold
Logic Low
Logic High
WDI Input Current
WDO OUTPUT VOLTAGE
MANUAL RESET INPUT
MR Pull-Up Current
MR Pulse Width
MR INPUT THRESHOLD
Logic Low
Logic High
MR TO RESET OUTPUT DELAY
POWER FAIL INPUT
PFI Input Threshold
PFI Input Current
PFO OUTPUT VOLTAGE
Min
Typ
1.0
190
4.5
4.65
4.25
4.40
40
160
200
VCC − 1.5
VCC − 1.5
1.00
1.60
50
Max Unit Test Conditions/Comments
5.5
V
250 µA
4.75 V
4.50 V
mV
280 ms
V
0.4
V
0.3
V
0.3
V
V
0.4
V
2.25 sec
ns
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
3.5
50
−150
−50
VCC − 1.5
0.8
V
V
150 µA
µA
V
0.4
V
100
250
600 µA
150
ns
0.8
V
2.0
V
250 ns
1.2
1.25
1.3
V
−25
+0.01 +25 nA
VCC − 1.5
V
0.4
V
WDI = 0 V
WDI = 0 V
ISOURCE = 800 µA
ISINK = 1.2 mA
MR = 0 V
ISOURCE = 800 µA
ISINK = 3.2 mA
Rev. H | Page 3 of 12
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