Datasheet Summary
m o .c U 4 t e e .dalsemi. h S Features a t interface requires only one
- Unique a 1-wire port pin for munication D .
- Derives power from data line (“parasite w power”)- does not need a local power supply w
- Multi-drop capability simplifies distributed w temperature sensing applications
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- DS18B20-PAR 1-Wire Parasite-Power Digital Thermometer
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PIN ASSIGNMENT
DALLAS 18B20P 1 2 3
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Requires no external ponents ±0.5°C accuracy from
- 10°C to +85°C Measures temperatures from
- 55°C to +100°C (- 67°F to +212°F) Thermometer resolution is user-selectable from 9 to 12 bits Converts temperature to 12-bit digital word in 750 ms (max.) User- definable non-volatile...