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107
Temperature sensor R-T analysis table (20K)
Sensor standard resistance
:
20KΩ±3% B:B(25/50)=3950K±2
%
reference temperature
:
25
(
℃
)
MCU_A/D exchange ±3LSB
(
at10bit
)
Series
(
sampling
)
resistor
:
10
(
KΩ
)
±1
%
Single chip (A/D reference voltage) supply voltage
:
5V
Temp
Resistance
(
KΩ
)
MCU Input voltage
(
V
)
A/D Exchange value
(
℃
)
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
-30
318.3
347.0
377.6
0.128
0.140
0.154
23
29
34
-29
299.6
326.2
354.6
0.136
0.149
0.163
25
30
36
-28
282.2
306.9
333.4
0.144
0.158
0.173
27
32
38
-27
265.9
289.0
313.5
0.153
0.167
0.183
28
34
40
-26
250.8
272.2
295.1
0.162
0.177
0.194
30
36
43
-25
236.6
256.5
277.9
0.172
0.188
0.205
32
38
45
-24
223.3
241.9
261.8
0.182
0.198
0.216
34
41
47
-23
210.9
228.2
246.7
0.193
0.210
0.229
37
43
50
-22
199.2
215.3
232.6
0.204
0.222
0.241
39
45
52
-21
188.3
203.3
219.4
0.216
0.234
0.255
41
48
55
-20
178.0
192.0
207.0
0.228
0.248
0.268
44
51
58
-19
168.3
181.4
195.4
0.241
0.261
0.283
46
54
61
-18
159.2
171.4
184.4
0.255
0.276
0.298
49
56
64
-17
150.7
162.0
174.2
0.269
0.291
0.314
52
60
67
-16
142.6
153.2
164.6
0.284
0.306
0.331
55
63
71
-15
135.0
144.9
155.5
0.299
0.323
0.348
58
66
74
-14
127.9
137.1
147.0
0.315
0.340
0.366
62
70
78
-13
121.2
129.8
138.9
0.333
0.358
0.385
65
73
82
-12
114.9
122.9
131.4
0.350
0.376
0.404
69
77
86
-11
108.9
116.4
124.3
0.369
0.396
0.424
73
81
90
-10
103.3
110.3
117.7
0.388
0.416
0.445
76
85
94
-9
98.00
104.5
111.4
0.408
0.437
0.467
81
89
99
-8
93.01
99.10
105.6
0.429
0.458
0.490
85
94
103
-7
88.29
93.98
100.0
0.450
0.481
0.513
89
98
108
-6
83.84
89.15
94.78
0.473
0.504
0.538
94
103
113
-5
79.63
84.60
89.85
0.496
0.529
0.563
99
108
118
-4
75.67
80.30
85.12
0.521
0.554
0.589
104
113
124
-3
71.91
76.24
80.75
0.546
0.580
0.616
109
119
129
-2
68.37
72.41
76.62
0.572
0.607
0.644
114
124
135
-1
65.02
68.79
72.72
0.599
0.635
0.672
120
130
141
0
61.85
65.37
69.04
0.627
0.663
0.702
125
136
147
1
58.85
62.14
65.56
0.656
0.693
0.732
131
142
153
2
56.01
59.08
62.28
0.686
0.724
0.764
137
148
159
3
53.33
56.20
59.18
0.717
0.755
0.796
144
155
166
4
50.79
53.46
56.25
0.748
0.788
0.829
150
161
173
5
48.38
50.88
53.43
0.782
0.821
0.864
157
168
180
6
46.10
48.43
50.81
0.815
0.856
0.899
164
175
187
7
43.94
46.12
48.34
0.850
0.891
0.934
171
182
194
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