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DS18B20 PDF预览

DS18B20

更新时间: 2024-05-23 22:21:30
品牌 Logo 应用领域
友台半导体 - UMW /
页数 文件大小 规格书
25页 3361K
描述
温度感应器

DS18B20 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active包装说明:SOP8,.25
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01Factory Lead Time:8 weeks
风险等级:0.99最大精度(摄氏度):0.5 Cel
其他特性:COMPLIANCE TO MIL-150主体宽度:3.9 mm
主体高度:1.55 mm主体长度或直径:4.9 mm
外壳:PLASTICJESD-609代码:e3
安装特点:SURFACE MOUNT位数:12
端子数量:8最大工作电流:1.5 mA
最高工作温度:125 °C最低工作温度:-55 °C
输出接口类型:1-WIRE INTERFACE封装主体材料:PLASTIC/EPOXY
封装等效代码:SOP8,.25封装形状/形式:RECTANGULAR
电源:3.3/5 V传感器/换能器类型:TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL
子类别:Other Sensors最大供电电压:5.5 V
最小供电电压:3 V表面贴装:YES
端子面层:Matte Tin (Sn)端接类型:SOLDER
Base Number Matches:1

DS18B20 数据手册

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R
UMW  
DESCRIPTION  
UMW DS18B20  
Stored in an On-Board ROM  
. Multidrop Capability Simplifies Distributed  
Temperature-Sensing Applications  
The DS18B20 digital 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 ±0.4°C over the range of -10°C to  
+70°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.  
. Requires No External Components  
.  
Can Be Powered from Data Line; Power Supply  
Range is 2.5V to 5.5V  
. Measures Temperatures from -55°C to +125°C  
(-67°F to +257°F)  
. ±0.4°C Accuracy from -10°C to +70°C  
. Thermometer Resolution is User Selectable  
from 9 to 12 Bits  
. Converts Temperature to 12-Bit Digital Word in  
400ms (Max)  
. User-Definable Nonvolatile (NV) Alarm Settings  
. Alarm Search Command Identifies and  
Addresses Devices Whose Temperature  
is Outside Programmed Limits  
. Available in 8-Pin SOJ8 and 3-Pin TO-92  
Packages  
. Applications Include Thermostatic  
Controls, Industrial Systems, Consumer  
Products, Thermometers, or Any  
Thermally Sensitive System  
. ESD Rating: HBM8000V, MM800V  
PIN CONFIGURATIONS  
MSOP8  
FEATURES  
. 1-Wire Interface Requires Only One Port Pin for  
Communication  
. Each Device has a Unique 64-Bit Serial Code  
SOP8  
www.umw-ic.com  
1
友台半导体有限公司  

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