DS18B20 Digital Temperature Sensor TO-92 (USED LIKE NEW)

Description

DS18B20 Digital Temperature Sensor TO-92 (USED LIKE NEW) The DS18B20 is a versatile, programmable resolution 1-Wire digital thermometer designed for precise temperature measurements in a wide range of applications. Housed in a rugged TO-92 package, this sensor provides 9-bit to 12-bit Celsius temperature readings from -55°C to +125°C (-67°F to +257°F) with an accuracy of ±0.5°C over the -10°C to +85°C range. Features: Unique 1-Wire Interface. Integrated Temperature Sensor and EEPROM. No External Components Needed. Parasite Power Mode. Multidrop Capability. Flexible Alarm Settings. Low Power Consumption. Specifications: Absolute Maximum Ratings Parameter Min Max Unit Voltage Range on Any Pin Relative to Ground -0.5 +6.0 V Operating Temperature Range -55 +125 °C Storage Temperature Range -55 +125 °C Solder Temperature Refer to IPC/JEDEC J-STD-020 – – DC Electrical Characteristics (VDD = 3.0V to 5.5V, -55°C to +125°C) Parameter Symbol Conditions Min Typ Max Units Supply Voltage V DD Local power 3.0 – 5.5 V Pullup Supply Voltage V PU Parasite power 3.0 – 5.5 V Local power 3.0 – V DD V Thermometer Error t ERR -10°C to +85°C – – ±0.5 °C -30°C to +100°C – – ±1 °C -55°C to +125°C – – ±2 °C Input Logic-Low V IL – -0.3 – +0.8 V Input Logic-High V IH Local power +2.2 – Min(5.5, V DD +0.3) V Parasite power +3.0 – – V Sink Current I L V IO = 0.4V 4.0 – – mA Standby Current I DDS – – – 1µA µA Active Current I DD V DD = 5V – 1 1.5 mA DQ Input Current I DQ – – – 5 µA Drift – – – – ±0.2 °C AC Electrical Characteristics Parameter Symbol Conditions Min Typ Max Units NV Write Cycle Time t WR – 2 – 10 ms EEPROM Writes N EEWR -55°C to +55°C 50k – – writes EEPROM Data Retention t EEDR -55°C to +55°C 10 – – years Pin Configuration (TO-92 Package) Pin Name Function 1 GND Ground 2 DQ Data Input/Output. Open-drain 1-Wire interface pin. Also provides power in parasite mode. 3 V DD Optional V DD . Must be grounded for parasite power operation. Footprint Diagram: Applications: Thermostatic controls for home and building automation. Industrial systems for process monitoring and machinery temperature sensing. Consumer products like digital thermometers and appliances. Thermally sensitive systems, such as medical devices or food storage. HVAC environmental controls. Equipment and building temperature monitoring. Package Contents: 1x DS18B20 Digital Temperature Sensor TO-92 (USED LIKE NEW) Datasheet

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