Rainbow-electronics DS1920 Bedienungsanleitung PDF herunterladen (Seite 20)

DS1920

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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 reliability.

DC ELECTRICAL CONDITIONS (-55°C to +100°C)

PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES

Pull up Voltage V

PUP

I/O Functions

+½°C Accurate

Temperature

Conversions

2.8

4.3

5.0 6.0

6.0

1,2

Logic 1 V

2.2 V 2

Logic 0 V

-0.3 +0.8 V 2, 10

DC ELECTRICAL CHARACTERISTICS (-55°C to +100°C; V

PUP

=4.3V to 6.0V)

PARAMETER SYMBOL CONDITION MIN TYP MAX UNITS NOTES

0°C to + 70 °C

+½

°C

Thermometer

Error

ERR

-55°C to +0°C

and + 70 °C to

+100 °C

SEE TYPICAL CURVE 11

Active Current I

1000 1500

µA

3,4

Input Load

Current

µA

Output Logic

Low @ 4 mA

0.4 V 2

CAPACITANCE (T

=25°C)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

I/O (1- Wire) C

IN/OUT

800 pF 9

AC ELECTRICAL CHARACTERISTICS; TEMPERATURE CONVERSION AND

COPY SCRATCHPAD (-55°C to +100°C; V

PUP

=4.3V to 6.0V)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

Temperature Conversion t

CONV

0.2 0.5 seconds

Copy Scratchpad t

COPY

10 ms 5

1 2 ... 15 16 17 18 19 20 21 22

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