LM99CIMMX

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The LM99CIMMX is a digital output temperature sensor from Texas Instruments that is designed for use in a variety of applications, including industrial, consumer, and medical applications. This sensor has several features that make it attractive for these uses, including excellent accuracy, wide temperature range, low power consumption, and high reliability.

The LM99CIMMX is designed to measure temperatures between -20°C and 105°C with an accuracy of ±0.75°C over its full range. The digital output from the LM99CIMMX is compatible with both SPI and I2C bus interfaces, allowing for easy integration into microcontroller-based systems. Additionally, the LM99CIMMX can be configured for either a 12-bit or 14-bit temperature resolution.

The LM99CIMMX is a low-power device, consuming less than 2 mA in operating mode and 0.2 mA in stand-by mode. This is especially beneficial for battery-operated systems, as it allows for longer operation between battery changes. The LM99CIMMX also has a high operating temperature range from -40°C to 125°C, making it suitable for use in harsh operating environments.

The LM99CIMMX uses a single-stage thermopile as its temperature sensing element. A thermopile consists of several thermocouples wired in series, allowing it to measure a wider temperature range than an individual thermocouple. The thermopile is responsive to both radiative and convective heat sources, allowing the LM99CIMMX to measure not only the ambient temperature, but also the temperature of objects in its vicinity.

The LM99CIMMX has several safety features that help protect the device from damage due to electrical overstress (EOS). The LM99CIMMX includes software-controlled EOS detection and self-compensating EOS response to protect against voltage or current over-voltage that can occur when two different power supplies are connected to the device. Additionally, the LM99CIMMX has several protections against overheating, such as a digital thermal shutdown and an analog thermal shutdown.

In summary, the LM99CIMMX is a digital output temperature sensor from Texas Instruments that is designed for use in a variety of applications, including industrial, consumer, and medical applications. The LM99CIMMX has a wide temperature range, excellent accuracy, low power consumption, and a high operating temperature range. The thermopile sensing element of the LM99CIMMX allows for response to both radiative and convective heat sources, and the device is protected from electrical overstress (EOS) and overheating by a variety of safety features. Because of these features, the LM99CIMMX is suitable for use in both consumer and industrial applications.

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