SA56004DD,112

Series:	--
Packaging:	Tube
Part Status:	Obsolete
Sensor Type:	Digital, Local/Remote
Sensing Temperature - Local:	-40°C ~ 125°C
Sensing Temperature - Remote:	-40°C ~ 125°C
Output Type:	I²C/SMBus
Voltage - Supply:	3 V ~ 5.5 V
Resolution:	10 b
Features:	Output Switch, Programmable Limit
Accuracy - Highest (Lowest):	±2°C (±3°C)
Test Condition:	60°C ~ 100°C (-40°C ~ 125°C)
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SO

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SA56004DD,112 Application Field and Working Principle

Temperature Sensors are devices which measure and display temperature, usually in a digital format. As temperatures fluctuate, a temperature sensor measures, stores, and/or transmits temperature data. Temperature sensors range from basic dial-type thermometers, electric thermometers, and digital thermometers to a wide range of devices which measure temperatures in many different ways. This article discusses the application field and working principle of the SA56004DD,112 Temperature Sensor, which is an analog and digital output sensor.

Application Field

The SA56004DD,112 is designed for motor, industrial, and appliance temperature monitoring. Typical applications of this sensor include motor temperature monitoring in air conditioners, refrigerators, and freezers; temperature monitoring in industrial and medical equipment; and temperature monitoring in agriculture and greenhouse environments.The SA56004DD,112 offers excellent accuracy and linearity in a small package. It also provides several output configurations, such as analog voltage, thermistor, and digital outputs, giving users the flexibility to match the desired performance and interface with the appropriate type of temperature controller.

Working Principle

The SA56004DD,112 uses a thermoelectric (TE) or thermistor (thermally sensitive resistor) sensing element. This sensor is a component of a thermoelectric generator (TEG), also known as a Seebeck--effect device. A TEG is composed of two dissimilar metals (typically copper-magnesium alloys, commonly known as thermocouples) that are connected in series and in contact with the environment whose temperature is to be measured. When the junction of the two metals is exposed to varying temperature, a continuous potential difference (voltage) is produced between the two metals. This voltage can be measured using the SA56004DD,112 TE-sensor.The thermistor sensing element works in a similar manner, with the difference being that it is composed of two different types of resistance materials. As the temperature of the surrounding environment changes, the resistances of the two materials change. This change in resistance can be measured using the SA56004DD,112 thermistor-sensor.

Conclusion

The SA56004DD,112 is an excellent temperature sensing device, offering excellent accuracy and linearity in a small package. It can be used in a wide variety of applications, such as motor temperature monitoring in air conditioners, refrigerators, and freezers; temperature monitoring in industrial and medical equipment; and temperature monitoring in agriculture and greenhouse environments. Its thermoelectric and thermistor sensing elements make it ideal for any application requiring accurate and reliable temperature measurements.

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