ADM9690 Analog Devices, ADM9690 Datasheet - Page 2

• Manufacturer Part Number: ADM9690
• Description: Power Supply and Watchdog Timer Monitoring Circuit
• Manufacturer: Analog Devices

Specifications of ADM9690

• Batt-backup-flg: No
• Manual Reset Capability: No
• Package: SOIC
• Power Fail Indicator: No
• Reset Threshold Summary: 4.31V
• Reset Output-stage: Active-Low/Push-Pull
• Min Reset Timeout (ms): 10,50
• Typ Watchdog Timeout (ms): 0.75,1.5,12.5,25
• Watchdog Timer: Yes

ADM9690–SPECIFICATIONS
Parameter
V
SUPPLY CURRENT
RESET AND WATCHDOG TIMER
WATCHDOG TIMEOUT PERIOD (TWD)
WDI INPUT PULSEWIDTH
WDI INPUT THRESHOLD
Specifications subject to change without notice.
CC
Reset Voltage Threshold
Reset Threshold Hysteresis
Reset Timeout Delay (t
RESET(2) Timeout Delay (t
RESET(1)/(2) Output Voltage
Logic Low
Logic High
WDI Input Current
SEL1/2 Input Current
OPERATING VOLTAGE RANGE
1
)
2
)
Min
4.3
4.2
0.4
1.0
9.0
18
100
3.5
3.5
–5
–1
–10
(V
CC
= Full Operating Range. T
Typ
55
30
50
10
1.5
12.5
25
0.1
0.3
0.45
1.2
–1.2
–5
4.31
0.75
–2–
Max
5.5
100
4.42
75
15
1.28
2.4
19
38
0.4
0.4
0.7
0.8
5
+1
10
A
= T
Units
V
µA
V
mV
ms
ms
ms
ms
ms
ms
V
V
V
V
V
V
µA
µA
µA
µA
MIN
ns
to T
MAX
unless otherwise noted)
Test Conditions/Comments
V
Figure 7, 8
Figure 7, 8
SEL2 = 0, SEL1 = 0
SEL2 = 0, SEL1 = 1
SEL2 = 1, SEL1 = 0
SEL2 = 1, SEL1 = 1
V
I
I
I
I
150 ns Pulse
150 ns Pulse
WDI = V
WDI = 0 V
SEL = V
SEL = 0 V
SINK
SINK
SINK
SOURCE
MON
IL
= 0.4, V
= 3.2 mA
= 10 mA,
= 15 mA,
Falling T
= 1 µA
CC
CC
IH
= 3.5 V
A
= 0°C to +70°C
REV. A