–2–

REV. A

ADM9690–SPECIFICATIONS

Parameter

Min

Typ

Max

Units

Test Conditions/Comments

4.3

5.5

V

SUPPLY CURRENT

55

100

µA

RESET AND WATCHDOG TIMER

Reset Voltage Threshold

4.2

4.31

4.42

V

°C to +70°C

Reset Threshold Hysteresis

30

mV

50

75

ms

Figure 7, 8

RESET(2

) Timeout Delay (t

10

15

ms

Figure 7, 8

WATCHDOG TIMEOUT PERIOD (TWD)

0.4

0.75

1.28

ms

SEL2 = 0, SEL1 = 0

1.0

1.5

2.4

ms

SEL2 = 0, SEL1 = 1

9.0

12.5

19

ms

SEL2 = 1, SEL1 = 0

18

25

38

ms

SEL2 = 1, SEL1 = 1

WDI INPUT PULSEWIDTH

100

ns

RESET(1)/(2

) Output Voltage

0.1

0.4

V

0.3

0.4

V

0.45

0.7

V

3.5

V

µA

WDI INPUT THRESHOLD

Logic Low

0.8

V

150 ns Pulse

Logic High

3.5

V

150 ns Pulse

WDI Input Current

1.2

5

µA

–5

–1.2

µA

WDI = 0 V

SEL1/2 Input Current

–1

+1

µA

–10

–5

10

µA

SEL = 0 V

Specifications subject to change without notice.