供应IC-温度传感器DS18B20

产品价格：: 电议

产品型号：: DS18B20

供应商等级：: 免企业未认证

经营模式：: 贸易商

企业名称：: 深圳市新亚洲电子市场融天电子商行

所属地区：: 广东省

发布时间：: 2010/12/3 9:32:06

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品牌	DALLAS	型号	DS18B20
种类	温度	材料	塑封
材料物理性质	半导体	材料晶体结构	单晶
制作工艺	集成	输出信号	数字型

概述

完整的数据资料(PDF, 224kB)
英文

The DS18B20 dial thermometer provides 9-bit to 12-bit Celsius temperature measurements and has an alarm function with nonvolatile user-programmable upper and lower trigger points. The DS18B20 communicates over a 1-Wire® bus that by definition requires only one data line (and ground) for communication with a central microprocessor. It has an operating temperature range of -55°C to +125°C and is accurate to &plun;0.5°C over the range of -10°C to +85°C. In addition, the DS18B20 can derive power directly from the data line ("parasite power"), eliminating the need for an external power supply.

Each DS18B20 has a unique 64-bit serial code, which allows multiple DS18B20s to function on the same 1-Wire bus. Thus, it is simple to use one microprocessor to control many DS18B20s distributed over a large area. Applications that can benefit from this feature include HVAC environmental controls, temperature monitoring systems inside buildings, equipment, or machinery, and process monitoring and control systems.

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