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LM75B - Digital temperature sensor and thermal watchdog

Description

The LM75B is a temperature-to-digital converter using an on-chip band gap temperature sensor and Sigma-Delta A-to-D conversion technique with an overtemperature detection output.

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 NXP Semiconductors LM75B Digital temperature sensor and thermal watchdog.
  • Frequency range 20 Hz to 400 kHz with bus fault time-out to pre.

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Datasheet preview – LM75B

Datasheet Details

Part number LM75B
Manufacturer NXP
File Size 521.61 KB
Description Digital temperature sensor and thermal watchdog
Datasheet download datasheet LM75B Datasheet
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Full PDF Text Transcription

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LM75B Digital temperature sensor and thermal watchdog Rev. 6.1 — 6 February 2015 Product data sheet 1. General description The LM75B is a temperature-to-digital converter using an on-chip band gap temperature sensor and Sigma-Delta A-to-D conversion technique with an overtemperature detection output. The LM75B contains a number of data registers: Configuration register (Conf) to store the device settings such as device operation mode, OS operation mode, OS polarity and OS fault queue as described in Section 7 “Functional description”; temperature register (Temp) to store the digital temp reading, and set-point registers (Tos and Thyst) to store programmable overtemperature shutdown and hysteresis limits, that can be communicated by a controller via the 2-wire serial I2C-bus interface.
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