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MAX31820PAR - Ambient Temperature Sensor

Description

The MAX31820PAR ambient temperature sensor provides 9-bit to 12-bit Celsius temperature measurements with ±0.5°C accuracy over a +10°C to +45°C temperature range.

Over its entire -55°C to +125°C operating range, the device has ±2.0°C accuracy.

Features

  • Unique 1-Wire Interface Requires Only One Port Pin for Communication.
  • Derives Power from Data Line (Parasite Power); No Local Power Supply Needed.
  • Multidrop Capability Simplifies Distributed Temperature-Sensing.

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Datasheet preview – MAX31820PAR

Datasheet Details

Part number MAX31820PAR
Manufacturer Maxim Integrated
File Size 959.80 KB
Description Ambient Temperature Sensor
Datasheet download datasheet MAX31820PAR Datasheet
Additional preview pages of the MAX31820PAR datasheet.

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Full PDF Text Transcription

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MAX31820PAR 1-Wire, Parasite-Power, Ambient Temperature Sensor General Description The MAX31820PAR ambient temperature sensor provides 9-bit to 12-bit Celsius temperature measurements with ±0.5°C accuracy over a +10°C to +45°C temperature range. Over its entire -55°C to +125°C operating range, the device has ±2.0°C accuracy. The device communicates over a 1-Wire® bus that, by definition, requires only one data line (and ground) for communication with a central microprocessor. In addition, the device derives power directly from the data line (“parasite power”), eliminating the need for an external power supply. Requiring so few pins enables the device to be placed in a 3-pin TO-92 package.
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