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參數(shù)資料
| 型號(hào)： | MCP9700 |
| 廠商： | Microchip Technology Inc. |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | Low-Power Voltage Output Temperature Sensor |
| 中文描述： | 低功耗，電壓輸出溫度傳感器 |
| 文件頁(yè)數(shù)： | 8/18頁(yè) |
| 文件大?。?/td> | 265K |
| 代理商： | MCP9700 |
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MCP9700/01
DS21942A-page 8
2005 Microchip Technology Inc.
3.0
FUNCTIONAL DESCRIPTION
The MCP9700/01 temperature sensing element is
essentially a P-N junction or a diode. The diode electri-
cal characteristics has a temperature coefficient that
provides a change in voltage based on the relative
ambient temperature from -40°C to 125°C. The change
in voltage is scaled to a temperature coefficient of
10.0 mV/°C (typ.) for the MCP9700 and 19.5 mV/°C
(typ.) for the MCP9701. The output voltage at 0°C is
also scaled to 500 mV (typ.) and 400 mV (typ.) for the
MCP9700 and MCP9701, respectively. This linear
scale is described in the transfer function shown in
Equation 3-1.
EQUATION 3-1:
SENSOR TRANSFER
FUNCTION
V
OUT
T
C1
T
A
V
0
°
C
+
=
Where:
T
A
V
OUT
= Sensor Output Voltage
V
0°C
= Sensor Output Voltage at 0°C
T
C1
= Temperature Coefficient
= Ambient Temperature
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