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LMT86 Analog Temperature Sensor

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by Ray

Analog temperature sensor with a precise, near-linear voltage output and low power.

temperaturesensoranalogvoltage-outputtisc70-5
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Contents

README

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LMT86

Texas Instruments · Temperature Sensor · SC70-5

The LMT86 is a precision analog temperature sensor with a near-linear negative-slope voltage output (about -10.9 mV/C). It is factory-trimmed for +-0.4 C typical accuracy, draws little current, and needs no external calibration, feeding an MCU ADC directly for thermal monitoring in a tiny SC70-5.

Pinout

Pin Name Type Function
1 GND power_in Power supply ground. Direct connection to the back side of the die; tie to system ground.
2 GND power_in Power supply ground. Direct connection to the back side of the die; tie to system ground (same net as pin 1).
3 OUT output Analog output voltage inversely proportional to temperature (average sensor gain −10.9 mV/°C). Push-pull, ±50 µA drive, short-circuit protected, can drive up to 1100 pF load.
4 VDD power_in Positive supply voltage, 2.2 V to 5.5 V. Bypass with a ceramic capacitor (typ. 0.1 µF) close to the pin. Tied internally to pin 5.
5 VDD power_in Positive supply voltage, 2.2 V to 5.5 V (same net as pin 4). Both VDD pins should be tied together and bypassed.

Key specifications

Parameter Value
Type Analog (voltage-output) temperature sensor
Output slope -10.9 mV/C (near-linear)
Accuracy +-0.4 C typ
Range -50 C to 150 C
Supply voltage 2.2 V to 5.5 V
Supply current 5.4 uA typ
Operating temperature -50 C to 150 C

Ordering variants

Same part, different packaging or reel option.

  • LMT86DCK
  • LMT86DCK-Q1
  • LMT86LP
  • LMT86LPM
  • LMT86LPG

CAD (KiCad official)

  • Symbol: lmt86.kicad_sym
  • Footprint: lmt86.kicad_mod
  • 3D model: SC70-5 body from KiCad Package_TO_SOT_SMD/SOT-353_SC-70-5.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (30 pp, sha256 541641c8448be4c3, retrieved 2026-08-17, tier: manufacturer)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF