4-Pin µP Voltage Monitors with Pin-Selectable

Power-On Reset Timeout Delay

4

_______________________________________________________________________________________

____________________________Typical Operating Characteristics (continued)

0.997

-40

NORMALIZED RESET THRESHOLD

vs. TEMPERATURE

0.999

0.998

TEMPERATURE (°C)

40

60

80

1.002

1.001

1.000

-20

20

100

1.003

0

______________________________________________________________Pin Description

1

GND

Ground

2

RESET

low for the reset timeout period after the reset condition is terminated. The reset timeout

period is determined by the SRT input.

–

RESET

high for the reset timeout period after the reset condition is terminated. The reset timeout

period is determined by the SRT input.

3

SRT

(min) delay; leave unconnected for 100ms (min) delay.

4

Supply Voltage

1

–

PIN

2

3

4

NAME

FUNCTION

MAX821

MAX822

0

-40

MAX82_R/S/T POWER-DOWN RESET DELAY

vs. TEMPERATURE

10

5

TEMPERATURE (°C)

40

60

80

40

35

30

25

20

15

-20

20

100

45

0

µs

µs

0

-40

MAX82_L/M POWER-DOWN RESET DELAY

vs. TEMPERATURE

20

10

TEMPERATURE (°C)

40

60

80

50

40

30

-20

20

100

60

0

µs

µs

0.90

-40

NORMALIZED SUPPLY

CURRENT vs. TEMPERATURE

0.95

TEMPERATURE (°C)

40

60

80

1.05

1.00

-20

20

100

1.10

0