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RHT03 데이터시트 PDF




MaxDetect에서 제조한 전자 부품 RHT03은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 RHT03 기능
기능 Digital relative humidity & temperature sensor
제조업체 MaxDetect
로고 MaxDetect 로고


RHT03 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.




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RHT03 데이터시트, 핀배열, 회로
Your specialist in innovating humidity & temperature sensors
Digital relative humidity & temperature sensor RHT03
1. Feature & Application:
*High precision
*Capacitive type
*Full range temperature compensated
*Relative humidity and temperature measurement
*Calibrated digital signal
*Outstanding long-term stability
*Extra components not needed
*Long transmission distance, up to 100 meters
*Low power consumption
*4 pins packaged and fully interchangeable
2. Description:
RHT03 output calibrated digital signal. It applys exclusive digital-signal-collecting-technique and humidity
sensing technology, assuring its reliability and stability. Its sensing elements is connected with 8-bit single-chip
computer.
Every sensor of this model is temperature compensated and calibrated in accurate calibration chamber and the
calibration-coefficient is saved in type of programme in OTP memory, when the sensor is detecting, it will cite
coefficient from memory.
Small size & low consumption & long transmission distance(100m) enable RHT03 to be suited in all kinds of
harsh application occasions. Single-row packaged with four pins, making the connection very convenient.
3. Technical Specification:
Model
Power supply
Output signal
Sensing element
Operating range
Accuracy
Resolution or sensitivity
Repeatability
RHT03
3.3-6V DC
digital signal via MaxDetect 1-wire bus
Polymer humidity capacitor
humidity 0-100%RH;
temperature -40~80Celsius
humidity +-2%RH(Max +-5%RH); temperature +-0.5Celsius
humidity 0.1%RH;
temperature 0.1Celsius
humidity +-1%RH;
temperature +-0.2Celsius
-1-
MaxDetect Technology Co., Ltd.
-----------------------------------------
Thomas Liu (Sales Manager)
http://www.humiditycn.com




RHT03 pdf, 반도체, 판매, 대치품
Your specialist in innovating humidity & temperature sensors
------------------------------------------------------------------------------------------------------------------------------------
1) Step 1: MCU send out start signal to RHT03 and RHT03 send response signal to MCU
Data-bus's free status is high voltage level. When communication between MCU and RHT03 begins, MCU
will pull low data-bus and this process must beyond at least 1~10ms to ensure RHT03 could detect MCU's signal,
then MCU will pulls up and wait 20-40us for RHT03's response.
When RHT03 detect the start signal, RHT03 will pull low the bus 80us as response signal, then RHT03 pulls
up 80us for preparation to send data. See below figure:
------------------------------------------------------------------------------------------------------------------------------------
2). Step 2: RHT03 send data to MCU
When RHT03 is sending data to MCU, every bit's transmission begin with low-voltage-level that last 50us, the
following high-voltage-level signal's length decide the bit is "1" or "0". See below figures:
-4-
MaxDetect Technology Co., Ltd.
-----------------------------------------
Thomas Liu (Sales Manager)
http://www.humiditycn.com

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