TMP116NAIDRVT

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1. Description

The TMP116 family (TMP116, TMP116N) consist of low-power, high-precision temperature sensors with integrated EEPROM memory. The TMP116NAIDRVT provides a 16-bit temperature result with a resolution of 0.0078°C and an accuracy of up to ±0.2°C with no calibration. The TMP116NAIDRVT is compatible with the I2Cand SMBus interface, has programmable alert functionality, and supports up to four devices on a single bus. The TMP116NAIDRVT consumes minimal current that, in addition to providing power savings, minimizes selfheating and improves measurement accuracy. The TMP116NAIDRVT operates from 1.9 V to 5.5 V and typically consumes 3.5 µA. Across the device operating temperature range of –55°C to +125°C, the TMP116NAIDRVT exceeds the accuracy of a class A RTD, while consuming less than one fifth of the typical excitation current for a PT100 RTD. The TMP116NAIDRVT is easier to use than RTDs, eliminating the need for calibration, external circuitry, matched traces, and Kelvin connections.

2. Features

    1. TMP116 accuracy without calibration:

        – ±0.2°C (maximum) from –10°C to +85°C

        – ±0.25°C (maximum) from –40°C to +105°C

        – ±0.3°C (maximum) from +105°C to +125°C

    2. TMP116N accuracy, no calibration needed:

        – ±0.3°C (maximum) from –25°C to +85°C

        – ±0.4°C (maximum) from –40°C to +125°C

    3. Low Quiescent Current:

        – 3.5-μA, 1-Hz conversion cycle

        – 250-nA shutdown current

    4. Supply range: 1.9 V to 5.5 V

    5. Resolution: 16 bits at 0.0078°C (1 LSB)

    6. Programmable temperature alert limits

    7. Selectable averaging

    8. General-purpose EEPROM: 64 bits

    9. NIST traceability

  10. SMBus™, I2C interface compatibility

3. Applications

    1. Medical grade: meets ASTM and ISO spec

    2. Environmental monitoring and thermostats

    3. Wearables

    4. Asset tracking and cold chain

    5. Gas meters and heat meters

    6. Test and measurement

    7. RTDs replacement: PT100, PT500, PT1000

    8. Cold-junction compensation of thermocouples