SI7005USB-DONGLE 查看數據表（PDF） - Silicon Laboratories

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SI7005USB-DONGLE

DIGITAL I2C HUMIDITY AND TEMPERATURE SENSOR

Silicon Laboratories 

Si7005

Table 6. Thermal Characteristics

Parameter

Junction-to-Air Thermal Resistance

Junction-to-Air Thermal Resistance

Symbol

JA

JA

Test Condition

JEDEC 4-layer board

2-layer evaluation PCB with

minimal thermal pad

QFN-24

55

110

Unit

°C/W

°C/W

Table 7. Absolute Maximum Ratings1,2

Parameter

Symbol Test Condition Min

Ambient Temperature under Bias

–55

Storage Temperature

–65

Voltage on SDA or SCL pin with

–0.3

respect to GND

Voltage on CS pin with respect to

–0.3

GND

Voltage on VDD with respect to GND

ESD Tolerance

–0.3

HBM

—

CDM

—

MM

—

Typ

Max

Unit

—

125

°C

—

150

°C

—

3.9

V

— VDD + 0.3 V

—

4.2

V

—

3

kV

—

750

V

—

300

V

Notes:

1. Absolute maximum ratings are stress ratings only; operation at or beyond these conditions is not implied and may

shorten the life of the device or alter its performance.

2. For best accuracy, after removal from the sealed shipping bags, the Si7005 should be stored in climate controlled

conditions (10 to 35 °C, 20 to 60 %RH). Exposure to high temperature and/or high humidity environments can cause a

small upwards shift in RH readings.

Rev. 1.3

9

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