ADT7318ARQZ-REEL7

Resolution:	8 b
Base Part Number:	ADT7318
Supplier Device Package:	16-QSOP
Package / Case:	16-SSOP (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 120°C
Test Condition:	0°C ~ 85°C (-40°C ~ 120°C)
Accuracy - Highest (Lowest):	±3°C (±5°C)
Features:	Shutdown Mode, Standby Mode
Series:	--
Voltage - Supply:	2.7 V ~ 5.25 V
Output Type:	I²C/SMBus, SPI
Sensing Temperature - Remote:	-40°C ~ 120°C
Sensing Temperature - Local:	-40°C ~ 120°C
Sensor Type:	Digital, Local/Remote
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Temperature Sensors – Analog and Digital Output

Temperature sensing is an important and increasingly popular application field for a wide range of industries and applications. Temperature sensors, such as the ADT7318ARQZ-REEL7, are designed to accurately measure and monitor temperature changes over a range of temperatures. These temperature sensors can be used in both analog and digital output applications, depending on the specific requirements of the application.

Types of Temperature Sensors

When selecting a temperature sensor, the type of sensor and the type of output required need to be taken into consideration. Temperature sensors are available in a variety of types, including resistance temperature detectors (RTDs) and thermistors. RTDs use resistance to measure temperature, while thermistors are made from ceramics or semiconductors and use changes in resistivity to measure temperature.In addition to the type of sensor, the type of output desired is also important. Temperature sensors can be used in both analog and digital output applications. Analog output temperatures sensors generate an continous analog voltage, current or resistance signal which can be used to measure temperature. Digital output temperature sensors, like the ADT7318ARQZ-REEL7, use a pre-defined digital protocol to output the measured temperature as a numeric value.

ADT7318ARQZ-REEL7 Temperature Sensor

The ADT7318ARQZ-REEL7 is a digital output temperature sensor capable of accurately measuring temperatures between -40°C and +125°C. The device can output the temperature as a 12-bit or 16-bit digital signal using an I²C or SPI interface. Both single and dual channel digital output functionality are available, allowing for the monitoring of two temperatures simultaneously.The ADT7318ARQZ-REEL7 is also configured with a range of other functions including programmable alert settings, alert flags and open-drain interrupt outputs to enable alerting and alarm functions. The device can also be configured with a range of power management functions including low power mode, deep-sleep mode and automatic power-down mode.

Working Principle

The ADT7318ARQZ-REEL7 utilises thermal sensing technology, known as a thermopile, which uses a temperature-sensitive material to detect changes in temperature. When a temperature change occurs, the sensor will generate an electrical signal which is then amplified and converted into a digital signal. This digital signal is then transmitted via an I²C or SPI interface, depending on the configuration of the device.

Applications

The ADT7318ARQZ-REEL7 is a versatile temperature sensor that can be used in a variety of applications requiring temperature measurement and monitoring. These include process automation, HVAC, industrial equipment, communications, automotive and medical applications. The device is particularly well suited for applications where accuracy, precision and reliability are of paramount importance.

Conclusion

The ADT7318ARQZ-REEL7 is a digital output temperature sensor designed to accurately measure temperatures in a wide range of applications. The device utilises a thermopile to detect temperature changes and generate an electrical signal which is then converted into a digital signal. The output is via an I²C or SPI interface, both single and dual channel digital output being available. The device can be used in a variety of applications including process automation, HVAC, industrial equipment, communications, automotive and medical applications.

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