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參數資料
| 型號： | LM71CISD |
| 廠商： | National Semiconductor Corporation |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | SPI/MICROWIRE⑩ 13-Bit Plus Sign Temperature Sensor |
| 中文描述： | 的SPI / MICROWIRE的⑩13位帶符號溫度傳感器 |
| 文件頁數： | 10/13頁 |
| 文件大小： | 249K |
| 代理商： | LM71CISD |
2.0 Serial Bus Timing Diagrams
3.0 Application Hints
To get the expected results when measuring temperature
with an integrated circuit temperature sensor like the LM71,
it is important to understand that the sensor measures its
own die temperature. For the LM71, the best thermal path
between the die and the outside world is through the LM71’s
pins. In the SOT23 package, all the pins on the LM71 will
have an equal effect on the die temperature. Because the
pins represent a good thermal path to the LM71 die, the
LM71 will provide an accurate measurement of the tempera-
ture of the printed circuit board on which it is mounted. There
is a less efficient thermal path between the plastic package
and the LM71 die. If the ambient air temperature is signifi-
cantly different from the printed circuit board temperature, it
will have a small effect on the measured temperature.
In probe-type applications, the LM71 can be mounted inside
a sealed-end metal tube, and can then be dipped into a bath
or screwed into a threaded hole in a tank.As with any IC, the
LM71 and accompanying wiring and circuits must be kept
insulated and dry, to avoid leakage and corrosion. This is
especially true if the circuit may operate at cold temperatures
where condensation can occur. Printed-circuit coatings and
varnishes such as Humiseal and epoxy paints or dips are
often used to insure that moisture cannot corrode the LM71
or its connections.
20031714
a) Reading Continuous Conversion - Single Eight-Bit Frame
20031715
b) Reading Continuous Conversion - Two Eight-Bit Frames
20031718
c) Writing Shutdown Control
FIGURE 7. Timing Diagrams
L
www.national.com
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LM71CISD/NOPB | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| LM71CISDX | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| LM71CISDX/NOPB | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| LM71QCIMF/NOPB | 功能描述:板上安裝溫度傳感器 Temperature Sensor RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
| LM71QCIMFX/NOPB | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關閉: 安裝風格: 封裝 / 箱體: 設備功能:Temperature and Humidity Sensor |
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