SD5820A

Operating Voltage

2.7~5.5V

2.7~5.5V

Temperature Measurement Range

-55~+125℃

-55~+125℃

Typical Error @3.0V

±0.5℃@-10~+85℃
±0.8℃@-55~+125℃

±0.5℃@-10~+85℃
±0.8℃@-55~+125℃

Compatible

DS18B20

DS18B20

Package

TO-92

TO-92
IC Introduction

        The SD5820A is a highly accurate temperature measurement IC. It supports single wire data communication and outputs 9 to 12 bits temperature readings. The maximum error is ±0.8℃ from -10℃ to +85℃ and ±1.5℃ over the full military temperature range of -55℃ to +125℃.
        Over-temperature alarm thresholds can be set through internal register. Operating at “parasitic power” mode, the SD5820A derives power directly from the data line without the use of an external power supply.
        Each chip has a unique 64-bits ID code useful for multi-slave communication system.

IC Features

  • 12 bits digital temperature reading with 0.0625℃ resolution

  • ±0.5℃ typical error at -10~+85℃ range

  • ±0.8℃ typical error at -55~+125℃ range

  • Single wire data communication with CRC function

  • Factory set 64-bits ID code

  • Programmable over temperature alarm threshold

  • 2.7~5.5V power supply range

  • Compatible with DS18B20

IC Block Diagram
Application area

Intelligence Agriculture

Industrial Temperature Measurement

Water Temperature Sensor

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