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Digital Temperature Sensors

Analog Devices Inc. Digital Temperature Sensors are part of a wide range of temperature sensing and control applications that offer many design alternatives. These solutions offer in-depth design information and circuits for building thermal sensing signal chains using the most popular thermal sensors. Usually, the first step in designing a thermal sensing and control system is to determine the temperature range that must be sensed as well as the operating environment. The next step is selecting a thermal sensor. There are four main types of thermal sensors: silicon, thermistor, RTD, and thermocouple. ADI provides either complete signal chain solutions or integrated ICs that can take the thermal transducer signal, process it, and provide either an analog or digital communication path back to the control device.

LTM2985 Digital Temperature Measurement System

Analog Devices Inc. LTM2985 Isolated High Accuracy Digital Temperature Measurement System measures a wide variety of temperature sensors and digitally outputs the result, in °C or °F, with 0.1°C accuracy and 0.001°C resolution. The LTM2985 measures the temperature of virtually all standard (Type B, E, J, K, N, S, R, T) or custom thermocouples. The device automatically compensates for cold junction temperatures and linearizes the results. Additionally, the LTM2985 Digital Temperature Measurement System measures temperature with standard 2-, 3- or 4-wire RTDs, thermistors, and diodes.

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