LMT86DCKT Sensors, Transducers

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1. Describe

The LMT86DCKT is a precision CMOS temperature sensor with ±0.4°C typical accuracy (±2.7°C maximum) and a linear analog output voltage inversely proportional to temperature. 2.2V supply voltage operation, 5.4μA quiescent current, and 0.7ms power-on time enable an efficient power cycling architecture to minimize power consumption in battery powered applications such as drones and sensor nodes. The LMT86LPG through-hole TO-92S package fast thermal time constant supports external time temperature sensitive applications such as smoke and heat detectors. Accuracy and other features over a wide operating range make the LMT86 an excellent alternative to thermistors. For devices with different average sensor gain and comparable accuracy, see Comparable Alternatives for alternatives in the LMT8x family.

2. Feature

    1. The LMT86LPG (TO-92S package) has a fast thermal time constant, typically 10-s (1.2 m/s airflow)

    2. Very accurate: ±0.4°C (typ)

    3. 2.2V low voltage operation

    4. Average sensor gain of -10.9 mV/°C

    5. 5.4µA low quiescent current

    6. Wide temperature range: –50°C to 150°C

    7. Output short circuit protection

    8. Push-pull output with ±50µA drive capability

    9. Dimensions compatible with industry standard LM20/19 and LM35 temperature sensors

  10. Cost-effective alternative to thermistors

3. Application

    1. Infotainment and clusters

    2. power system

    3. Smoke and heat detectors

    4. Drones

    5. Appliances

4. Pin configuration

5. Pin Description

6. Application Information

The LMT86DCKT features make it suitable for many general temperature-sensing applications. It can operate down to 2.2-V supply with 5.4-µA power consumption, making it ideal for battery-powered devices. Package options like the through-hole TO-92 package allow the LMT86 to be mounted onboard, off-board, to a heat sink, or on multiple unique locations in the same application.