DS18B20+PAR

1-Wire寄生供电数字温度计

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产品详情

Unique 1-Wire Interface Requires Only One Port Pin for Communication
Derives Power from Data Line ("Parasite Power")—Does Not Need a Local Power Supply
Multi-Drop Capability Simplifies Distributed Temperature Sensing Applications
Requires no External Components
±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 750ms (max.)
User-Definable Non-Volatile Temperature Alarm Settings
Alarm Search Command Identifies and Addresses Devices Whose Temperature is Outside of Programmed Limits (Temperature Alarm Condition)
Software compatible with the DS1822-PAR
Ideal for Use in Remote Sensing Applications (e.g., Temperature Probes) That do not Have a Local Power Source