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参数资料
| 型号： | DS18B20-PAR+T&R |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/19页 |
| 文件大小： | 221K |
| 描述： | IC THERM MICROLAN PROG-RES TO-92 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,000 |
| 功能： | 温度计，恒温计 |
| 传感器类型： | 内部 |
| 感应温度： | -55°C ~ 100°C |
| 精确度： | ±2°C（最小值） |
| 拓扑： | 寄存器库，变签式暂存器 |
| 输出类型： | 1-Wire? |
| 输出警报： | 是 |
| 输出风扇： | 无 |
| 电源电压： | 3 V ~ 5.5 V |
| 工作温度： | -55°C ~ 100°C |
| 安装类型： | 通孔 |
| 封装/外壳： | TO-226-3、TO-92-3（TO-226AA）成形引线 |
| 供应商设备封装： | TO-92-3 |
| 包装： | 带卷 (TR) |
1 of 19
101207
FEATURES
" Unique 1-Wire
?/DIV>
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
" ?.5癈 accuracy from 10癈 to +85癈
" Measures temperatures from 55癈 to
+100癈 (67癋 to +212癋)
" Thermometer resolution is user-selectable
from 9 to 12 bits
" Converts temperature to 12-bit digital word in
750 ms (max.)
" Userdefinable 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
PIN ASSIGNMENT
PIN DESCRIPTION
GND - Ground
DQ - Data In/Out
NC - No Connect
DESCRIPTION
The DS18B20-PAR digital thermometer provides 9 to 12bit centigrade temperature measurements and
has an alarm function with nonvolatile user-programmable upper and lower trigger points. The
DS18B20-PAR does not need an external power supply because it derives power directly from the data
line ( parasite power ). The DS18B20-PAR communicates over a 1-Wire bus, which by definition
requires only one data line (and ground) for communication with a central microprocessor. It has an
operating temperature range of 55癈 to +100癈 and is accurate to ?.5癈 over a range of 10癈 to
+85癈.
Each DS18B20-PAR has a unique 64-bit identification code, which allows multiple DS18B20-PARs to
function on the same 1wire bus; thus, it is simple to use one microprocessor to control many DS18B20-
PARs 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.
DS18B20-PAR
1-Wire Parasite-Power
Digital Thermometer
-
TO-92
DS18B20-PAR
1
BOTTOM VIEW
2 3
DALLAS
18B20P
1
2 3
1-Wire is a registered trademark of Dallas Semiconductor.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS18B20-SL | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Programmable Resolution 1-Wire Digital Thermometer |
| DS18B20-SL/T&R | 功能描述:板上安装温度传感器 RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| DS18B20-SL+T&R | 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL SERL (1-WIRE) - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERM MICROLAN PROG-RES TO-92 制造商:Maxim Integrated Products 功能描述:Board Mount Temperature Sensors Prgmble Resolution 1-Wire Parasite Pwr |
| DS18B20-SL+T&R | 功能描述:板上安装温度传感器 Prgmble Resolution 1-Wire Parasite Pwr RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
| DS18B20U | 功能描述:板上安装温度传感器 RoHS:否 制造商:Omron Electronics 输出类型:Digital 配置: 准确性:+/- 1.5 C, +/- 3 C 温度阈值: 数字输出 - 总线接口:2-Wire, I2C, SMBus 电源电压-最大:5.5 V 电源电压-最小:4.5 V 最大工作温度:+ 50 C 最小工作温度:0 C 关闭: 安装风格: 封装 / 箱体: 设备功能:Temperature and Humidity Sensor |
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