LM75BD,118

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Sensor Type:	Digital, Local
Sensing Temperature - Local:	-55°C ~ 125°C
Sensing Temperature - Remote:	--
Output Type:	I²C
Voltage - Supply:	2.8 V ~ 5.5 V
Resolution:	11 b
Features:	Output Switch, Programmable Limit
Accuracy - Highest (Lowest):	±2°C (±3°C)
Test Condition:	-25°C ~ 100°C (-55°C ~ 125°C)
Operating Temperature:	-55°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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Temperature Sensors - Analog and Digital Output

Temperature sensors are crucial components in regulating and monitoring temperature in various industrial, medical, and entertainment applications. These sensors detect and measure the temperature of an environment, and then convert this data into an analog or digital output. Depending on the application, the output from the sensor can be used to either control the temperature, or simply display the temperature on a device.The LM75BD,118 is a temperature sensor used for both digital and analog outputs. This sensor can measure temperatures ranging from -40ºC to +85ºC, and is usually employed in industrial settings such as air conditioners and petrochemical engineering plants. The operating principle of the LM75BD,118 involves detecting changes in resistance within the chip caused by changes in temperature. These changes in resistance are then translated into a corresponding temperature in either an analog or digital output.The analog output of the LM75BD,118 is ideal for applications where a precise temperature reading is needed. The chip utilizes an internal bandgap reference voltage to output an analog voltage that is proportional to the temperature. The voltage changes at a rate of 10 mV/ºC, making it easy to convert the output to a temperature reading.The chip\'s digital output is also an important feature of the LM75BD,118. This output is typically presented in the form of a serial signal, which can either be an I2C or SPI output depending on the configuration of the sensor. This signal is used to transmit the temperature data from the sensor to connected devices or control systems.The LM75BD,118 is also designed to protect itself from temperature readings that exceed either the upper or lower limit. In the event of an over-temperature or under-temperature reading, the chip will put itself into a hysteresis mode, and will continue to output a temperature that is within its range. This feature helps to ensure the accuracy and reliability of the sensor, and makes it suitable for applications in harsh environments.In conclusion, the LM75BD,118 is an analog and digital temperature sensor that is designed to provide precise and reliable temperature readings in the range of -40ºC to +85ºC. By using an internal bandgap reference voltage and hysteresis protection, the LM75BD,118 is able to output both analog and digital temperature readings accurately and reliably in all environments.

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