DS1920

19 of 22

ABSOLUTE MAXIMUM RATINGS

Voltage on Any Pin Relative to Ground

-0.5V to +7.0V

Operating Temperature

-55°C to +100°C

Storage Temperature

-55°C to +100°C

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 device

reliability.

DC ELECTRICAL CONDITIONS

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

NOTES

Pullup Voltage

I/O Functions

2.8

5.0

6.0

V

1, 2

+1/2°C

Accurate

Temperature

Conversions

4.3

6.0

V

Logic 1

2.2

V

2

Logic 0

-0.3

0.8

V

2, 10

DC ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

NOTES

Thermometer

Error

0

°C to + 70 °C

1/2

°C

11

-55

°C to +0°C

and + 70

°C to

+100

°C

SEE TYPICAL CURVE

11

Active Current

1000

1500

µA

3,4

Input Load

Current

5

µA

Output Logic

Low at 4mA

0.4

V

2

CAPACITANCE

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

I/O (1-Wire)

800

pF

9

AC ELECTRICAL CHARACTERISTICS: TEMPERATURE CONVERSION AND

COPY SCRATCHPAD

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

Temperature Conversion

0.2

0.75

seconds

Copy Scratchpad

10

ms

5