ADM690 データシートの表示（PDF） - Analog Devices
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ADM690 Datasheet PDF : 16 Pages
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ADM690–ADM695–SPECIFICATIONS (VCC = Full Operating Range, VBATT = +2.8 V, TA = TMIN to
TMAX unless otherwise noted)
Parameter
Min
Typ
Max
Units Test Conditions/Comments
BATTERY BACKUP SWITCHING
VCC Operating Voltage Range
ADM690, ADM691, ADM694, ADM695
ADM692, ADM693
VBATT Operating Voltage Range
ADM690, ADM691, ADM694, ADM695
ADM692, ADM693
VOUT Output Voltage
VOUT in Battery Backup Mode
Supply Current (Excludes IOUT)
Supply Current in Battery Backup Mode
Battery Standby Current
(+ = Discharge, – = Charge)
Battery Switchover Threshold
VCC – VBATT
Battery Switchover Hysteresis
BATT ON Output Voltage
BATT ON Output Short Circuit Current
RESET AND WATCHDOG TIMER
Reset Voltage Threshold
ADM690, ADM691, ADM694, ADM695
ADM692, ADM693
Reset Threshold Hysteresis
Reset Timeout Delay
ADM690, ADM691, ADM692, ADM693
ADM694, ADM695
Watchdog Timeout Period, Internal Oscillator
Watchdog Timeout Period, External Clock
Minimum WDI Input Pulse Width
RESET Output Voltage @ VCC = +1 V
RESET, LOW LINE Output Voltage
RESET, WDO Output Voltage
Output Short Circuit Source Current
Output Short Circuit Sink Current
WDI Input Threshold
Logic Low
Logic High
WDI Input Current
POWER FAIL DETECTOR
PFI Input Threshold
PFI Input Current
PFO Output Voltage
PFO Short Circuit Source Current
PFO Short Circuit Sink Current
CHIP ENABLE GATING
CEIN Threshold
CEIN Pull-Up Current
CEOUT Output Voltage
CE Propagation Delay
4.75
5.5
4.5
5.5
2.0
4.25
2.0
4.0
VCC – 0.05 VCC – 0.025
VCC – 0.5 VCC – 0.25
VBATT – 0.05 VBATT – 0.02
1
1.95
0.6
1
–0.1
–1.0
70
50
20
35
0.5
1
+0.02
+0.02
0.3
25
4.5
4.25
35
140
1.0
70
3840
768
50
3.5
3.5
1
3.5
–50
1.25
–25
3.5
1
4.65
4.4
40
50
200
1.6
100
4
3
25
20
–15
1.3
± 0.01
3
25
3.0
3
VOUT – 1.5
VOUT – 0.05
5
4.73
4.48
70
280
2.25
140
4097
1025
200
0.4
0.4
25
0.8
50
1.35
+25
0.4
25
0.8
0.4
9
V
V
V
V
V
IOUT = 1 mA
V
IOUT ≤ 100 mA
V
IOUT = 250 µA, VCC < VBATT – 0.2 V
mA
IOUT = 100 mA
µA
VCC = 0 V, VBATT = 2.8 V
5.5 V > VCC > VBATT + 0.2 V
µA
TA = +25°C
µA
mV
Power Up
mV
Power Down
mV
V
ISINK = 3.2 mA
mA
BATT ON = VOUT = 4.5 V Sink Current
µA
BATT ON = 0 V Source Current
V
V
mV
ms
ms
s
ms
Cycles
Cycles
ns
mV
V
V
V
V
µA
mA
V
V
µA
µA
OSC SEL = HIGH, VCC = 5 V, TA = +25°C
OSC SEL = HIGH, VCC = 5 V, TA = +25°C
Long Period, VCC = 5 V, TA = +25°C
Short Period, VCC = 5 V, TA = +25°C
Long Period
Short Period
VIL = 0.4, VIH = 3.5 V
ISINK = 10 µA, VCC = 1 V
ISINK = 1.6 mA, VCC = 4.25 V
ISOURCE = 1 µA, VCC = 5 V
ISINK = 1.6 mA, VCC = 5 V
ISOURCE = 1 µA, VCC = 4.25 V
VCC = 5 V1
WDI = VOUT, TA = +25°C
WDI = 0 V, TA = +25°C
V
VCC = +5 V
nA
V
ISINK = 3.2 mA
V
ISOURCE = 1 µA
µA
PFI = Low, PFO = 0 V
mA
PFI = High, PFO = VOUT
V
VIL
V
VIH
µA
V
ISINK = 3.2 mA
V
ISOURCE = 3.0 mA
V
ISOURCE = 1 µA, VCC = 0 V
ns
–2–
REV. A
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