DS1668, DS1669, DS1669S

081895 7/10

ABSOLUTE MAXIMUM RATINGS*

Voltage on Any Pin Relative to -V

-V –0.5V + 8.0V

Operating Temperature

0

°C to 70°C commercial; –40°C to +85°C industrial

Storage Temperature

–55

°C to +125°C

Soldering Temperature

260

°C for 15 seconds

* This is a stress rating only and functional operation of the device at these or any other conditions above those

indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating

conditions for extended periods of time may affect reliability.

RECOMMENDED DC OPERATING CONDITIONS

(-40

°C to +85°C)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

+ Supply Voltage

+V

-V + 4.5

-V + 8.0

V

- Supply Voltage

-V

+V - 8.0

+V - 4.5

V

Rheostat Inputs

-V - 0.5

+V + 0.5

V

Logic Input 1

+2.4

V

1, 2

Logic Input 0

+0.8

V

1, 2

DC ELECTRICAL CHARACTERISTICS

(-40

°C to +85°C; -V to +V = 4.5V to 8.0V)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

+, - Supply Current

1

2

mA

3

Supply Current, Idle State

65

µA

9

Wiper Resistance

400

1000

Ω

Wiper Current

1

mA

5

Rheostat Current

1

mA

5

Power–Up Time

10

µs

10

Input Leakage

–1

+1

µA

1

AC ELECTRICAL CHARACTERISTICS

(-40

°C to +85°C; -V to+V = 4.5V to 8.0V)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

Digital Input Pulse Width

1

DC

µs

1, 7, 8

Contact Pulse Width

1

DC

ms

1, 7, 8

Repetitive Input Pulse High Time

1

DC

ms

1, 7, 8

Continuous Input Pulse

1

DC

s

1, 7, 8