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DS18B20-PAR - 1-Wire Parasite-Power Digital Thermometer

Description

The DS18B20-PAR digital thermometer provides 9 to 12

bit centigrade temperature measurements and has an alarm function with nonvolatile user-programmable upper and lower trigger points.

Features

  • a t interface requires only one.
  • Unique a 1-wire port pin for communication D.
  • Derives power from data line (“parasite w power”).
  • does not need a local power supply w.
  • Multi-drop capability simplifies distributed w temperature sensing.

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Datasheet preview – DS18B20-PAR

Datasheet Details

Part number DS18B20-PAR
Manufacturer Maxim Integrated
File Size 202.18 KB
Description 1-Wire Parasite-Power Digital Thermometer
Datasheet download datasheet DS18B20-PAR Datasheet
Additional preview pages of the DS18B20-PAR datasheet.

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Full PDF Text Transcription

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m o .c U 4 t e e www.dalsemi.com h S FEATURES a t interface requires only one • Unique a 1-wire port pin for communication D . • Derives power from data line (“parasite w power”)—does not need a local power supply w • Multi-drop capability simplifies distributed w temperature sensing applications • • • • • • • DS18B20-PAR 1-Wire Parasite-Power Digital Thermometer ® PIN ASSIGNMENT DALLAS 18B20P 1 2 3 • • Requires no external components ±0.5°C accuracy from –10°C to +85°C Measures temperatures from –55°C to +100°C (–67°F to +212°F) Thermometer resolution is user-selectable from 9 to 12 bits Converts temperature to 12-bit digital word in 750 ms (max.
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