LM75BIM-3+

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Temperature sensors measure and detect changes in temperature, an important parameter in both industrial and residential applications. Whether they have an analog or a digital output, temperature sensors work to monitor the environment and either trigger an alarm, a reaction, or a process. The LM75BIM-3+ is an I2C/SMBus digital temperature sensor which belongs to the family of Analog and Digital Output temperature sensors. It is an upgraded version of the original LM75B temperature sensor.

Features

• Compact SO8 package
• High Operating Temperature Range: from -40 to +125°C
• Offset/Gain adjustable with external resistors
• Alarm comparator with 3 different modes of operation
• SMBus/I2C Interface
• Sleep mode for power saving

Applications

The LM75BIM-3+ is a temperature sensor that is used in a variety of industrial and residential applications. It can be used to detect light, temperatures in ovens, refrigerator compartments, freezers, and other temperature-sensitive areas. It can also be used in HVAC applications and audio/video control systems. Additionally, it is used in medical equipment, automotive systems, and other temperature-critical applications.

Working Principle

The LM75BIM-3+ temperature sensor measures temperature using an analog-to-digital converter and an I2C/SMBus interface. It includes an on-board arbitration logic for up to 800kHz communication and a temperature sensor. It includes an adjustable comparator which can be used to detect temperature changes and generate an interrupt upon exceeding high or low thresholds. An on-board output buffer controls the output of the sensor, and an adjustable offset and gain can be set using external resistors.

The sensor operates with a supply voltage of 2.7V to 5.5V and was designed using an advanced CMOS process to ensure low power consumption and a high degree of accuracy. The sensor can measure temperatures from -40°C to +125°C with a resolution of 0.125°C and includes hysteresis, alarm mode, sleep mode, and hold functions.

Conclusion

The LM75BIM-3+ is an upgraded version of the popular LM75B temperature sensor and is a reliable and accurate temperature sensing solution. It is a small and low power device with I2C/SMBus interface, and can be used in environmental control, automotive, medical, audio/video control, and other temperature sensitive applications. It includes features such as on-board arbitration logic, adjustable offset and gain, alarm mode, and sleep mode, and can measure temperatures from -40°C to +125°C.

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