DS1868

9 of 14

ABSOLUTE MAXIMUM RATINGS*

-1.0V to +7.0V

-3.3V to +4.7V

Operating Temperature

-40

°C to +85°C

Storage Temperature

-55°C to +125°C

Soldering Temperature

260°C for 10 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; V

±10%)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

Supply Voltage

4.5

2.7

5.5

3.3

V

1

15

Input Logic 1

2.0

V

1, 2

Input Logic 0

-0.5

+0.8

V

1, 2

Ground

GND

GND

GND

V

1

Resistor Inputs

L, H, W

V

2, 15

Substrate Bias

-3.3

GND

V

1, 15

DC ELECTRICAL CHARACTERISTICS

(-40

°C to +85°C; V

±10%)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

Supply Current

400

µA

12

Input Leakage

-1

+1

µA

Wiper Resistance

400

1000

Ω

Wiper Current

1

mA

Logic 1 Output @ 2.4 Volts

-1

mA

8, 9

Logic 0 Output @ 0.4 Volts

4

mA

8, 9

Standby Current

1

µA

14

ANALOG RESISTOR CHARACTERISTICS

(-40

°C to +85°C; V

±10%)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

End-to-End Resistor Tolerance

-20

+20

%

16

Absolute Linearity

±0.75

LSB

4

Relative Linearity

±0.3

LSB

5

-3 dB Cutoff Frequency

Hz

7

Noise Figure

11

Temperature Coefficient

750

ppm/C