10PCS/LOT DS18B20 TO-92 temperature r IC DS1820 diy electronic programmable digital ch data acquisition

IC output type: digital

Induction accuracy range: ± 0.5°C

Temperature detection range: -55°C to +125°C

Power supply current: 1mA

Power supply voltage range: 3V to 5.5V

Resolution, bit: 12bit

Package type: TO-92

Number of pins: 3

r/transducer type: temperature

Resolution: 12bit

Device label: 18

Device marking: DS18B20+

Package type: TO-92

Working temperature sensitivity: -55°C

Peak working temperature: 125°C

Operating temperature range: -55°C to +125°C

Power supply voltage limit: 5.5V

Power supply voltage limit: 3V

Ch label: 18B20

Surface mount device: through-hole mounting

Output current: 4mA

Output type: digital

Logical function number: 18B20

【Main Features】

The adaptable voltage range is wider, the voltage range: 3.0 ~ 5.5V, can be powered by the data line in the parasitic power mode;

The temperature range is -55℃～＋125℃, and the accuracy is ±0.5℃ at -10～+85℃;

Unique single-wire interface mode, when DS18B20 is connected to the microproceor, only one port is needed to realize the two-way communication between the microproceor and DS18B20;

DS18B20 supports multi-point networking function. Multle DS18B20s can be connected in parallel on the only three-wire to realize multi-point temperature measurement in networking;

DS18B20 does not require any perheral components in use, all sensing components and conversion circuits are integrated in an integrated circuit shaped like a triode;

The programmable resolution is 9-12 digits, and the corresponding resoable temperatures are 0.5℃, 0.25℃, 0.125℃ and 0.0625℃, which can realize high-precision temperature measurement;

In the 9-bit resolution, the temperature can be converted to a number within 93.75ms at most, and the temperature value can be converted to a number within 750ms at the 12-bit resolution, which is faster;

The measurement result directly outputs the digital temperature signal, which is serially transmitted to the CPU by the "one-wire bus", and can transmit the CRC check code at the same time, which has strong anti-interference and error correction ability;

Negative preure characteristics: When the power supply polarity is red, the ch will not be burnt due to heat, but it will not work normally.

【Wiring schematic diagram】

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