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Temperature sensor TMP117

29.01.2019

The new TMP117 precision sensor sets a new accuracy record for Texas Instruments digital temperature meters. The miniature integral sensor has an error of only +-0,1°C (max) in the temperature range from -20°C to +50°C. The sensor can be used in medical devices that meet the requirements of ASTM E1112 and ISO 80601. The 16-bit resolution allows temperature changes of 0.0078°C to be recorded.

The microcircuit has a digital two-wire I2C interface (SMBus-compatible) and additional interrupt and address lines. Built-in EEPROM-memory is used both for setting operation parameters and for user data. The low self-consumption reduces the effect of the instrument's self-heating and guarantees high accuracy at high measurement frequencies.

For non-medical applications, the TMP117 can be used as an alternative to platinum sensors (Platinum RTD). In the full temperature range from -55°C to +150°C, the measurement error does not exceed +-0,3°C. Operating voltage of the sensor from 1,8 V to 5,5 V

Each TMP117 chip is output tested during production and has a personal traceable NIST code.

Applications for TMP117:

medical equipment ASTM E1112 and ISO 80601-2-56;
control of environmental parameters;
personal wearable devices;
control of food transportation;
gas and heat meters;
equipment for testing and measurements;
replacement of RTD sensors: PT100, PT500, PT1000;
thermocouple cold junction compensation.

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