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参数资料
| 型号： | DS18S20 |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | Switch/Digital Output Temperature Sensor |
| 英文描述： | DIGITAL TEMP SENSOR-SERIAL, 9BIT(s), 0.50Cel, RECTANGULAR, THROUGH HOLE MOUNT |
| 封装： | TO-92, 3 PIN |
| 文件页数： | 20/23页 |
| 文件大小： | 252K |
| 代理商： | DS18S20 |
DS18S20
6 of 23
Figure 4. Supplying the Parasite-Powered DS18S20 During Temperature Conversions
Figure 5. Powering the DS18S20 with an External Supply
64-BIT LASERED ROM CODE
Each DS18S20 contains a unique 64-bit code (see Figure 6) stored in ROM. The least significant 8 bits of
the ROM code contain the DS18S20’s 1-Wire family code: 10h. The next 48 bits contain a unique serial
number. The most significant 8 bits contain a cyclic redundancy check (CRC) byte that is calculated from
the first 56 bits of the ROM code. A detailed explanation of the CRC bits is provided in the CRC
Generation section. The 64-bit ROM code and associated ROM function control logic allow the
DS18S20 to operate as a 1-Wire device using the protocol detailed in the 1-Wire Bus System section.
Figure 6. 64-Bit Lasered ROM Code
8-BIT CRC
48-BIT SERIAL NUMBER
8-BIT FAMILY CODE (10h)
VPU
4.7k
1-Wire BUS
P
DS18S20
GND
VDD
DQ
TO OTHER
1-WIRE DEVICES
VDD (EXTERNAL SUPPLY)
DS18S20
GND
VDD
DQ
VPU
4.7k
TO OTHER
1-WIRE DEVICES
1-Wire BUS
P
MSB
LSB
MSB
相关PDF资料 |
PDF描述 |
|---|---|
| DS18S20-SL+T&R | DIGITAL TEMP SENSOR-SERIAL, 9BIT(s), 0.50Cel, RECTANGULAR, THROUGH HOLE MOUNT |
| DS18S20Z/T&R | DIGITAL TEMP SENSOR-SERIAL, 9BIT(s), 0.50Cel, RECTANGULAR, SURFACE MOUNT |
| DS1963L-F5 | SPECIALTY MEMORY CIRCUIT, MEDB2 |
| DS1963S | SPECIALTY MEMORY CIRCUIT, MEDB2 |
| DS1985-F3 | 2K X 8 EEPROM 3V, RDB2 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| DS18S20/T&R | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:IC THERM MICROLAN HI PREC TO-92 |
| DS18S20/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 |
| DS18S20+ | 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 |
| DS18S20+PAR | 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 |
| DS18S20+T&R | 制造商:Maxim Integrated Products 功能描述: 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL 1-WIRE 3PIN TO-92 - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERM MICROLAN HI-PREC TO-92 制造商:Maxim Integrated Products 功能描述:Board Mount Temperature Sensors Prgmble Resolution 1-Wire Parasite Pwr |
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