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參數(shù)資料
| 型號： | LM60CIM3 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | 2.7V, SOT-23 or TO-92 Temperature Sensor |
| 中文描述： | ANALOG TEMP SENSOR-VOLTAGE, 4Cel, RECTANGULAR, SURFACE MOUNT |
| 封裝： | PLASTIC, SOT-23, 3 PIN |
| 文件頁數(shù)： | 5/9頁 |
| 文件大小： | 221K |
| 代理商： | LM60CIM3 |
Typical Performance Characteristics
printed circuit board as shown in Figure 2 (Continued)
To generate these curves the LM60 was mounted to a
Supply Voltage
vs Supply Current
Start-Up Response
01268112
01268122
1.0 Mounting
The LM60 can be applied easily in the same way as other
integrated-circuit temperature sensors. It can be glued or
cemented to a surface. The temperature that the LM60 is
sensing will be within about +0.1C of the surface tempera-
ture that LM60’s leads are attached to.
This presumes that the ambient air temperature is almost the
same as the surface temperature; if the air temperature were
much higher or lower than the surface temperature, the
actual temperature of the LM60 die would be at an interme-
diate temperature between the surface temperature and the
air temperature.
To ensure good thermal conductivity the backside of the
LM60 die is directly attached to the GND pin. The lands and
traces to the LM60 will, of course, be part of the printed
circuit board, which is the object whose temperature is being
measured. These printed circuit board lands and traces will
not cause the LM60’s temperature to deviate from the de-
sired temperature.
Alternatively, the LM60 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 LM60 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 conden-
sation can occur. Printed-circuit coatings and varnishes such
as Humiseal and epoxy paints or dips are often used to
ensure that moisture cannot corrode the LM60 or its connec-
tions.
The thermal resistance junction to ambient (
θ
JA
) is the
parameter used to calculate the rise of a device junction
temperature due to the device power dissipation. For the
LM60 the equation used to calculate the rise in the die
temperature is as follows:
T
J
= T
A
+
θ
JA
[(+V
S
I
Q
) + (+V
S
V
O
) I
L
]
where I
is the quiescent current and I
L
is the load current on
the output.
The table shown in Figure 3 summarizes the rise in die
temperature of the LM60 without any loading, and the ther-
mal resistance for different conditions.
01268114
FIGURE 2. Printed Circuit Board Used
for Heat Sink to Generate All Curves.
1
2
" Square Printed Circuit Board
with 2 oz. Copper Foil or Similar.
L
www.national.com
5
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參數(shù)描述 |
|---|---|
| LM60CIM3 | 制造商:Texas Instruments 功能描述:TEMPERATURE SENSOR SMD SOT-23-3 |
| LM60CIM3/NOPB | 功能描述:板上安裝溫度傳感器 2.7V ANA TEMP 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(shù)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(guān)閉: 安裝風格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| LM60CIM3/NOPB | 制造商:Texas Instruments 功能描述:Temperature Sensor IC |
| LM60CIM3X | 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(shù)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(guān)閉: 安裝風格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
| LM60CIM3X/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(shù)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(guān)閉: 安裝風格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
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