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| 型号： | DS1820 |
| 厂商： | Maxim Integrated |
| 文件页数： | 1/23页 |
| 文件大小： | 0K |
| 描述： | IC DGTL THERMOMETER TO92-3 |
| 其它有关文件： | DS1820 Digital Thermometer |
| 标准包装： | 500 |
| 感应温度： | -55°C ~ 125°C |
| 输出类型： | 开路漏极 |
| 电源电压： | 3 V ~ 5.5 V |
| 精确度： | ±0.5°C |
| 封装/外壳： | TO-226-3、TO-92-3 标准主体 |
| 供应商设备封装： | TO-92 |
| 包装： | 散装 |
AVAILAB
LE
DS18S20
High-Precision 1-Wire Digital Thermometer
FEATURES
Unique 1-Wire Interface Requires Only One
?
Thermometers, or Any Thermally Sensitive
?
Port Pin for Communication
? Each Device has a Unique 64-Bit Serial Code
Stored in an On-Board ROM
? Multidrop Capability Simplifies Distributed
Temperature Sensing Applications
? Requires No External Components
? Can Be Powered from Data Line. Power
Supply Range is 3.0V to 5.5V
? Measures Temperatures from -55°C to
+125°C (-67°F to +257°F)
? ± 0.5 ° C Accuracy from -10°C to +85°C
? 9-Bit Thermometer Resolution
? Converts Temperature in 750ms (max)
? User-Definable Nonvolatile (NV) Alarm
Settings
? Alarm Search Command Identifies and
Addresses Devices Whose Temperature is
Outside Programmed Limits (Temperature
Alarm Condition)
? Applications Include Thermostatic Controls,
Industrial Systems, Consumer Products,
Functional Diagrams
System
PIN CONFIGURATIONS
MAXIM
DS1820
1 2 3
N.C. 1 8
N.C. 2 7
V DD 3 6
DQ 4 5
SO (150 mils)
(DS18S20Z)
1 2 3
(BOTTOM VIEW)
TO-92
(DS18S20)
N.C.
N.C.
N.C.
GND
1-Wire is a registered trademark of Maxim Integrated Products, Inc.
DESCRIPTION
The DS18S20 digital thermometer provides 9-bit Celsius temperature measurements and has an alarm
function with nonvolatile user-programmable upper and lower trigger points. The DS18S20
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 ± 0.5 ° C over the range of –10°C to +85°C. In addition, the DS18S20 can derive power
directly from the data line (“parasite power”), eliminating the need for an external power supply.
Each DS18S20 has a unique 64-bit serial code, which allows multiple DS18S20s to function on the same
1-Wire bus. Thus, it is simple to use one microprocessor to control many DS18S20s 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
Pin systems.
control Configurations appear at end of data sheet.
Functional Diagrams continued at end of data sheet.
UCSP is a trademark of Maxim Integrated Products, Inc.
For pricing, delivery, and ordering information, please contact Maxim Direct
at 1-888-629-4642, or visit Maxim’s website at www.maxim integrated .com.
19-5474; Rev 8/10
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS1820K | 制造商:Maxim Integrated Products 功能描述:THERMOMETER DEMO KIT |
| DS1820S | 制造商:未知厂家 制造商全称:未知厂家 功能描述:DS1820.DS1820S Digital Thermometer Replacements |
| DS1821 | 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 |
| DS1821_07 | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:Programmable Digital Thermostat and Thermometer |
| DS1821+ | 功能描述:板上安装温度传感器 Programmable Digital Thermostat/Thrmmtr 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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