ADM690A/ADM692A/ADM802L/M/ADM805L/M–SPECIFICATIONS

–2–

REV. 0

unless otherwise noted)

Parameter

Min

Typ

Max

Units

Test Conditions/Comments

1

1.0

5.5

V

70

100

µA

Supply Current in Battery Backup Mode

0.05

1.0

µAV

Battery Standby Current

(+ = Discharge, – = Charge)

–0.1

+0.02

µA

V

V

V

V

Battery Switchover Threshold

20

mV

Power Up

–20

mV

Power Down

Battery Switchover Hysteresis

40

mV

RESET THRESHOLD

Reset Voltage Threshold

ADM690A, ADM802L, ADM805L

4.5

4.65

4.75

V

ADM692A, ADM802M, ADM805M

4.25

4.4

4.5

V

ADM802L

4.55

4.7

V

°C, V

ADM802M

4.30

4.45

V

°C, V

Reset Threshold Hysteresis

40

mV

Reset Timeout Delay

140

200

280

ms

RESET

Output Voltage

V

µA

0.4

V

0.3

V

µA, V

RESET Output Voltage

0.8

V

µA, V

V

0.4

V

WATCHDOG TIMER

Watchdog Timeout Period

1.0

1.6

2.25

s

WDI Input Pulse Width

50

ns

WDI Input Threshold

Logic Low

0.8

V

Logic High

3.5

V

WDI Input Current

10

µA

–10

µA

WDI = 0 V

POWER FAIL DETECTOR

PFI Input Threshold

1.20

1.25

1.30

V

ADM690A, ADM692A, ADM805L/M

1.225

1.25

1.275

V

ADM802L/M

PFI Input Current

–25

0.01

+25

nA

PFO

Output Voltage

V

µA

0.4

V

NOTES

Specifications subject to change without notice.