MIC284-3BMM

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The MIC284-3BMM is a temperature sensor that combines a digital output option and analog output option in a single device. It is a three-terminal digital component with polysilicon thin film sensor which enables fast response time. It is designed to work in applications from −40 °C to +150 °C and measure temperatures with an accuracy of ±2.5 °C.

The analog output option of MIC284-3BMM is a linearized voltage output proportional to the temperature measured. The output voltage ranges from 0V up to 5V (or 10V). The slope of the output is positive, meaning that the voltage increases as the temperature increases. The output voltage is independent of the supply voltage which makes it suitable for measurement in applications that require isolation and high precision.

The digital output option of MIC284-3BMM is a two-wire serial communication protocol which lets the device output digital values proportional to temperature. This serial output is in the form of bits and bytes which allows easy communication with a microcontroller. The serial protocol is I2C compliant and has an addressable output data format. The output resolution is 14 bits (0.0625 °C), but the resolution can be further modified depending on the application needs.

The MIC284-3BMM is a highly versatile temperature sensor that can be used in a wide range of applications. It is especially suited for temperature measurement in industrial automation and process control, for HVAC systems, automotive components, medical and laboratory equipment, and consumer goods. The device is easy to use and provides both analog and digital outputs, making it suitable for any application that requires accurate and low-power temperature readings.

The working principle of MIC284-3BMM is based on the use of polysilicon thin-film temperature sensors. The sensor is a sandwich-like structure of two layers of polysilicon separated by a film of SiO2. The top layer is n-type polysilicon while the bottom layer is p-type polysilicon. As temperature changes, the resistance between the two layers changes proportionally. The output voltage is related to the temperature change by a popular equation known as Steinhart-Hart.

The MIC284-3BMM is a reliable and cost-effective temperature sensor suitable for multiple applications. The combination of analog and digital outputs makes it suitable for applications that require reliable and accurate temperature readings. It is also easy to use, as setting up the device is a simple process that requires minimal setup time.

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