DS1721S 查看數據表（PDF） - Dallas Semiconductor -> Maxim Integrated

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DS1721S

2-Wire Digital Thermometer and Thermostat

Dallas Semiconductor -> Maxim Integrated 

ABSOLUTE MAXIMUM RATINGS*

Voltage on VDD, Relative to Ground

Voltage on any other pin, Related to Ground

Operating Temperature

Storage Temperature

Soldering Temperature

-0.3V to +7.0V

-0.3V to +7.0V

-55°C to +125°C

-55°C to +125°C

260°C for 10 seconds

DS1721

* 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

(-55°C to +125°C; 2.7V ≤ VDD ≤ 5.5V)

PARAMETER

SYMBOL CONDITION MIN TYP MAX UNITS NOTES

Supply Voltage

VDD

2.7

5.5

V

1

DC ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL CONDITION

Input Logic High

VIH

Input Logic Low

SDA Output Logic

Low Voltage

TOUT Output Logic

Voltage

Input Current Each

I/O Pin

I/O Capacitance

Standby Current

Active Current

VIL

VOL1

VOL2

VOH

VOL

CI/O

IDD1

IDD

3 mA sink

current

6 mA sink

current

1 mA source

current

4 mA sink

current

0.4V ≤ VI/O

≤ 0.9 VDD

Active Temp.

Conversions

Communication

only

(-55°C to +125°C; 2.7V ≤ VDD ≤ 5.5V)

MIN TYP MAX UNITS NOTES

0.7

VDD

VDD

+0.5

V

1

-0.5

0.3

VDD

V

1

0

0.4

V

1

0

0.6

V

1

2.4

V

1

0.4

V

1

-10

+10

µA

2

10

pF

1

µA

3, 4

1000 µA

3, 4

100

µA

3, 4

14 of 16

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