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參數(shù)資料
| 型號： | STCN75M2E |
| 廠商： | 意法半導體 |
| 元件分類： | 溫度/濕度傳感器 |
| 英文描述： | Digital temperature sensor and thermal watchdog |
| 中文描述： | 數(shù)字溫度傳感器和熱看門狗 |
| 文件頁數(shù)： | 7/35頁 |
| 文件大小： | 194K |
| 代理商： | STCN75M2E |
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STCN75
Summary description
7/35
1.2
Temperature sensor output
The STCN75 Temperature Sensor has a dedicated open drain Over-Limit Signal/Interrupt
(OS/INT) output which features a thermal alarm function. This function provides a user-
programmable trip and turn-off temperature. It can operate in either of two selectable
modes:
Section 2.3: Comparator mode
Section 2.4: Interrupt mode
.
●
●
At power-up the STCN75 immediately begins measuring the temperature and converting
the temperature to a digital value.
The measured temperature value is compared with a temperature limit (which is stored in
the 16-bit (T
OS
) READ/WRITE register), and the hysteresis temperature (which is stored in
the 16-bit (T
HYS
) READ/WRITE register). If the measured value exceeds these limits, the
OS/INT pin is activated (see
Figure 3 on page 8
).
Note:
See
Pin descriptions on page 8
for details.
Figure 1.
Logic diagram
1.
SDA and OS/INT are open drain.
Table 1.
Signal names
Pin
Sym
Type/direction
Description
1
SDA
(1)
1.
SDA and OS/INT are open drain.
Input/ Output
Serial data input/output
2
SCL
Input
Serial clock input
3
OS/INT
(1)
Output
Over-limit signal/interrupt alert output
4
GND
Supply Ground
Ground
5
A
2
Input
Address2 Input
6
A
1
Input
Address1 Input
7
A
0
Input
Address0 Input
8
V
DD
Supply power
Supply voltage (2.7V to 5.5V)
AI11899
SDA
(1)
VDD
STCN75
GND
SCL
A0
A1
A2
OS/INT
(1)
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