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Número de pieza
componentes Descripción
TC7126CKW Ver la hoja de datos (PDF) - TelCom Semiconductor Inc => Microchip
Número de pieza
componentes Descripción
Fabricante
TC7126CKW
3-1/2 DIGIT ANALOG-TO-DIGITAL CONVERTERS
TelCom Semiconductor Inc => Microchip
TC7126CKW Datasheet PDF : 13 Pages
First
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11
12
13
3-1/2 DIGIT
ANALOG-TO-DIGITAL CONVERTERS
+ 9V
160 k
Ω
300 k
Ω
300 k
Ω
V+
V–
VI–N
1N4148
SENSOR
R1
50 k
Ω
VI+N
R2
50 k
Ω
VR+EF
TC7126A
VR–
EF
COMMON
Figure 12. Temperature Sensor
1
TC7126
TC7126A
+ 9V
5.6 k
Ω
160 k
Ω
1N4148
R1
20 k
Ω
0.7%/°C
PTC
R3
R2
20 k
Ω
V+
V–
VI–N
VI+N
VR+EF
TC7126A
VR–
EF
COMMON
2
3
Figure 13. Positive Temperature Coefficient Resistor
Temperature Sensor
4
9V
2
CONSTANT 5V
V+
REF02
VOUT
ADJ
TEMP
6
51 k
Ω
R4
5
NC
51 k
Ω
R5
2
3
3
TEMPERATURE
DEPENDENT OUTPUT
–8
1/2
1
LM358
+4
VOUT =
1.86V @
+25°C
GND
4
50 k
Ω
R2
50 k
Ω
R1
V+
VR+EF
VR–EF
VI+N
TC7126A
VI–N
COMMON
V–
5
6
Figure 14. Integrated Circuit Temperature Sensor
7
TELCOM SEMICONDUCTOR, INC.
8
3-229
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