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Manufacturer Part #


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

ECAD Model:
Mfr. Name: NXP
Standard Pkg:
Product Variant Information section
Date Code: 2225
Product Specification Section
NXP LM75AD,118 - Technical Attributes
Attributes Table
Output Type: Digital
Supply Voltage: 2.8V to 5.5V
Operating Temp Range: -55°C to +125°C
Operating Temp Range (°F): -67°F to +257°F
Output Current-Max: 10mA
Interface Type: I2C
Resolution: 11b
Storage Temperature Range: -65°C to +150°C
Moisture Sensitivity Level: 1
Package Style:  SOIC-8
Mounting Method: Surface Mount
$Features & Applications

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

Pricing Section
Global Stock:
Germany (Online Only):
Factory Stock:Factory Stock:
Factory Lead Time:
26 Weeks
Minimum Order:
Multiple Of:
Web Price
Product Variant Information section