 | ||||||||||
 |
| |||||||||
 | ||||||||||
T255温度传感器使用说明
T255温度传感器是一款用来检测功率半导体温升的理想模拟器件，主要配合运放整形或直接送入单片机A/D口采集温度信息，并作出实时显示或过温保护等动作。
T255是以其阻值变化来反映温度变化的，故选用相应电阻分压来获取对应电压值是非常重要的参数。
l 典型：R（25℃）=5.000kΩ
l 静动态特性好，灵敏度高。
l 阻值-温度特性表
|
温度℃ |
阻值KΩ |
温度℃ |
阻值KΩ |
温度℃ |
阻值KΩ |
温度℃ |
阻值KΩ |
|
-20 |
37.49 |
11 |
8.801 |
42 |
2.674 |
73 |
0.980 |
|
-19 |
35.53 |
12 |
8.439 |
43 |
2.582 |
74 |
0.951 |
|
-18 |
33.76 |
13 |
8.093 |
44 |
2.493 |
75 |
0.923 |
|
-17 |
32.09 |
14 |
7.764 |
45 |
2.409 |
76 |
0.896 |
|
-16 |
30.52 |
15 |
7.451 |
46 |
2.327 |
77 |
0.870 |
|
-15 |
29.03 |
16 |
7.151 |
47 |
2.249 |
78 |
0.844 |
|
-14 |
27.62 |
17 |
6.866 |
48 |
2.174 |
79 |
0.820 |
|
-13 |
26.29 |
18 |
6.593 |
49 |
2.102 |
80 |
0.796 |
|
-12 |
25.03 |
19 |
6.333 |
50 |
2.032 |
81 |
0.773 |
|
-11 |
23.84 |
20 |
6.085 |
51 |
1.966 |
82 |
0.751 |
|
-10 |
22.72 |
21 |
5.848 |
52 |
1.902 |
83 |
0.729 |
|
-9 |
21.65 |
22 |
5.621 |
53 |
1.840 |
84 |
0.709 |
|
-8 |
20.64 |
23 |
5.405 |
54 |
1.780 |
85 |
0.689 |
|
-7 |
19.68 |
24 |
5.198 |
55 |
1.723 |
86 |
0.670 |
|
-6 |
18.77 |
25 |
5.000 |
56 |
1.668 |
87 |
0.650 |
|
-5 |
17.91 |
26 |
4.811 |
57 |
1.615 |
88 |
0.632 |
|
-4 |
17.10 |
27 |
4.630 |
58 |
1.564 |
89 |
0.614 |
|
-3 |
16.32 |
28 |
4.457 |
59 |
1.514 |
90 |
0.597 |
|
-2 |
15.59 |
29 |
4.291 |
60 |
1.467 |
91 |
0.581 |
|
-1 |
14.89 |
30 |
4.132 |
61 |
1.421 |
92 |
0.565 |
|
0 |
14.23 |
31 |
3.980 |
62 |
1.376 |
93 |
0.549 |
|
1 |
13.60 |
32 |
3.835 |
63 |
1.334 |
94 |
0.534 |
|
2 |
13.01 |
33 |
3.696 |
64 |
1.292 |
95 |
0.520 |
|
3 |
12.44 |
34 |
3.562 |
65 |
1.252 |
96 |
0.506 |
|
4 |
11.90 |
35 |
3.434 |
66 |
1.214 |
97 |
0.492 |
|
5 |
11.39 |
36 |
3.311 |
67 |
1.177 |
98 |
0.479 |
|
6 |
10.90 |
37 |
3.194 |
68 |
1.141 |
99 |
0.466 |
|
7 |
10.44 |
38 |
3.081 |
69 |
1.107 |
100 |
0.453 |
|
8 |
10.00 |
39 |
2.973 |
70 |
1.073 |
|
|
|
9 |
9.580 |
40 |
2.869 |
71 |
1.041 |
|
|
|
10 |
9.181 |
41 |
2.769 |
72 |
1.010 |
|
|