LM75A Series SMD 5.5 V Digital Temperature Sensor w/ Thermal Watchdog - SOIC-8

Mfr Part#: LM75AD,118
Mounting Method:  Surface Mount
Package Style:  SOIC-8
Packaging:  REEL
Std Packaging Qty:  2,500



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$0.2050 USD (each)
2500+ $0.2050


Qty in Stock : 122,500
On Order :
Min. Order Qty: 2,500
Multiple of: 2,500
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Product Highlight

  • Output Type: Digital
  • Operating Temp Range: -55 to +125 °C
  • Operating Temp Range (°F): -67 to +302 °F
  • Supply Voltage: 2.5 to 5.5 V

The LM75AD,118 is a Part of LM75A Series 5.5 V Digital Temperature Sensor and Thermal Watchdog, available in surface mount SOIC-8 Package.

It is a temperature-to-digital converter using an on-chip band gap temperature sensor and Sigma-delta A-to-D conversion technique. The device is also a thermal detector providing an overtemperature detection output.


  • Pin-for-pin replacement for industry standard LM75 and offers improved temperature resolution of 0.125 Cel and specification of a single part over power supply range from 2.8 V to 5.5 V
  • Small 8-pin package types: SO8 and TSSOP8
  • I²C-bus interface with up to 8 devices on the same bus
  • Power supply range from 2.8 V to 5.5 V
  • Temperatures range from -55 Cel to +125 Cel
  • 11-bit ADC that offers a temperature resolution of 0.125 Cel
  • Temperature accuracy of:
  • +-2 Cel from -25 Cel to +100 Cel
  • +-3 Cel from -55 Cel to +125 Cel
  • Programmable temperature threshold and hysteresis set points
  • Supply current of 3.5 uA in shutdown mode for power conservation
  • Stand-alone operation as thermostat at power-up
  • ESD protection exceeds 2000 V HBM per JESD22-A114, 200 V MM per JESD22-A115 and 1000 V CDM per ESD22-C101
  • Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA


  • System thermal management
  • Personal computers
  • Electronics equipment
  • Industrial controllers

View the complete famly of LM75A series Temperature Sensors

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