DS1775R2-U 查看數據表（PDF） - Maxim Integrated

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DS1775R2-U

Digital Thermometer and Thermostat in SOT23

Maxim Integrated 

DS1775

Digital Thermometer and Thermostat in SOT23

Absolute Maximum Ratings

(Voltages relative to ground.)

Voltage Range on VDD..........................................-0.3V to +7.0V

Voltage Range on Any Other Pin..........................-0.3V to +7.0V

Operating Temperature Range.......................... -55°C to +125°C

Storage Temperature Range............................. -55°C to +125°C

Lead Temperature (soldering, 10s).................................. +300°C

Soldering Temperature (reflow)........................................ +260°C

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these

or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect

device reliability.

DC Electrical Characteristics

(2.7V ≤ VDD ≤ 5.5V, TA = -55°C to +125°C, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITION

Supply Voltage

VDD

(Note 1)

Input Logic-High

VIH

(Note 1)

Input Logic-Low

SDA Output Logic-Low Voltage

O.S. Saturation Voltage

Input Current Each I/O Pin

I/O Capacitance

Standby Current

Active Current

DIGITAL THERMOMETER

Thermometer Error

Resolution

Conversion Time

VIL

VOL1

VOL2

VOL

CI/O

IDD1

IDD

(Note 1)

3mA sink current (Note 1)

6mA sink current (Note 1)

4mA sink current (Notes 1, 9)

0.4 < VI/O < 0.9 x VDD (Note 2)

(Notes 3, 4)

Active temp conversions (Notes 3, 4)

Communication only (Notes 3, 4)

TERR

-10°C to +85°C (Notes 9, 10)

-55°C to +125°C (Notes 9, 10)

tCONVT

9-bit conversion

10-bit conversion

11-bit conversion

12-bit conversion

MIN TYP MAX UNITS

2.7

5.5

V

0.7 x

VDD

VDD+

0.5

V

-0.5

0.3 x

VDD

V

0

0.4

V

0

0.6

0.8

V

-10

+10

µA

10

pF

1

µA

1000

µA

100

±0.5 ±2.0

°C

±1.0 ±3.0

9

12

Bits

125 187.5

250 375

ms

500 750

1000 1500

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