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      THERMOMETER MODULE DS18B20 Digital Temperature Sensor  (Itead IM120710012)
      • THERMOMETER MODULE DS18B20 Digital Temperature Sensor  (Itead IM120710012)

      THERMOMETER MODULE DS18B20 Digital Temperature Sensor (Itead IM120710012)

      IM120710012
      €4.20
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      3.50 € tax excl.

      THERMOMETER MODULE DS18B20 Digital Temperature Sensor  (Itead IM120710012)

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      THERMOMETER MODULE DS18B20 Digital Temperature Sensor  (Itead IM120710012)


      Specifications

      PCB size 33.2mm X 14.0mm X 1.6mm
      Working voltage 3.3 or 5V DC
      Operating voltage 3.3 or 5V DC
      Measurable range -55~+125
      Measurement resolution 9~12bitsprogrammable
      Compatible interfaces 2.54 3-pin interface and 4-pin Grove interface(1)

      Note 1:  S for digital input/output port, V and G for voltage at the common collector and ground respectively

      DC electrical characteristics

      Parameter Min. Typical Max. Unit
      Working voltage 3 5 5.5 VDC
      Working currentVCC=5VT=25℃) - 1 1.5 mA
      Sampling interval 1 - - s
      Accuracy -10~+85 - - ±0.5
      -55~+125 - - ±2
      Logic input low level VIL -0.3 - +0.8 V
      Logic input high level VIH 2.2 - 5.5/VCC+0.3 V

      AC electrical characteristics

      Parameter Min. Typical Max. Unit
      Temperature conversion time tCONV 9-bit accuracy - - 93.75 ms
      10-bit accuracy - - 187.5 ms
      11-bit accuracy - - 375 ms
      12-bit accuracy - - 750 ms
      Time for strong pullup on tSPON - - 10 us
      Time slot tSLOT 60 - 120 us
      Recovery time tREC 1 - - us
      Write 0 low time tLOW0 60 - 120 us
      Write 1 low time tLOW1 1 - 15 us
      Read data valid tRDV - - 15 us
      Reset time high tRSTH 480 - - us
      Reset time low tRSTL 480 - - us
      Presence-detect high tPDHIGH 15 - 60 us
      Presence-detect low tPDLOW 60 - 240 us
      Capacitance CIN/OUT - - 25 pF

      Instruction

      Each DS18B20 has a unique 64-bit serial code, which allows multiple DS18B20s to function on the same 1-Wire bus. The figure below shows a block diagram of DS18B20. The scratchpad memory contains the 2-byte temperature register that stores the datal output from the temperature sensor. In addition, the scratchpad provides access to direct temperature alarm trigger registers (TH and TL) and the 1-byte configuration register. The configuration register allows the user to set the resolution of the temperature-to-digital conversion to 9, 10, 11, or 12 bits. The TH, TL, and configuration registers are nonvolatile (EEPROM), so they will retain data when the device is powered down.

       

      SCH_IM120710012.pdf

      DS_IM120710012.pdf

      DEMO_IM120710012.zip

      ITEAD STUDIO
      IM120710012
      70 Items

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