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SD5003A/B

Operating Voltage

2.7~5.5V

2.7~5.5V

Temperature Measurement Range

-55~+125℃

-55~+125℃

Typical Error @3.0V

±1.5℃@-40~+100℃
±2.0℃@-55~+125℃

±1.5℃@-40~+100℃
±2.0℃@-55~+125℃

Compatible

TMP03

TMP03

Package

TO-92/SOP8

TO-92/SOP8
IC Introduction

        SD5003 is a highly accurate temperature measurement IC with digital PWM output. An internal sensor produces a voltage signal that is proportional to temperature. It is then digitized by a built-in ADC, and modulated into a PWM waveform. The typical error is ± 0.8℃ for the -40~+100℃ range, and ±1.0℃ for the -55~+125℃ range.
        Output pin DOUT is open drain which facilitates multi-voltage system applications.

IC Features

  • Open drain PWM output

  • PWM output mode: fixed period, duty cycle varies with temperature

  • ±1.5°C maximum error at -40~+100℃ range

  • ±2.0°C maximum error at -55~+125℃ range

  • 170μA typical operating current at 3V supply

  • 2.7~5.5V power supply range

  • SOP8 or TO-92 package, pin compatible with TMP03

IC Block Diagram
Application area

Intelligence Agriculture

Industrial Temperature Measurement

Water Temperature Sensor

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