Digital Temperature Sensor And Thermal Watchdog

Product Details

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Block Diagram

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LM75B Block Diagram

LM75B Block Diagram

Block diagram: LM75BD, LM75BDP, LM75BGD

Features

  • Pin-for-pin replacement for industry standard LM75 and LM75A and offers improved temperature resolution of 0.125 °C and specification of a single part over power supply range from 2.8 V to 5.5 V
  • 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 °C to +125 °C
  • Frequency range 20 Hz to 400 kHz with bus fault time-out to prevent hanging up the bus
  • 11-bit ADC that offers a temperature resolution of 0.125 °C
  • Temperature accuracy of:
    • ±2 °C from -25 °C to +100 °C
    • ±3 °C from -55 °C to +125 °C
  • Programmable temperature threshold and hysteresis set points
  • Supply current of 1.0 uA in shutdown mode for power conservation
  • Stand-alone operation as thermostat at power-up
  • ESD protection exceeds 4500 V HBM per JESD22-A114 and 1000 V CDM per JESD22-C101
  • Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA
  • Small 8-pin package types: SO8, TSSOP8, 3 mm x 2 mm XSON8U, and 2 mm x 3 mm HWSON8

Target Applications

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

Design Resources

Documentation

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Hardware

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