Rainbow Electronics DS1920 User Manual

Page 20

Advertising
background image

DS1920

20 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 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

V

V

1,2

Logic 1

V

IH

2.2

V

2

Logic 0

V

IL

-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

°

C

11

Thermometer
Error

t

ERR

-55

°

C to +0

°

C

and + 70

°

C to

+100

°

C

SEE TYPICAL CURVE

11

Active Current

I

DD

1000

1500

µ

A

3,4

Input Load
Current

I

L

5

µ

A

Output Logic
Low @ 4 mA

V

OL

0.4

V

2

CAPACITANCE

(T

A

=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

Advertising