TC7126 View Datasheet(PDF) - TelCom Semiconductor Inc => Microchip
Part Name
Description
Manufacturer
TC7126 Datasheet PDF : 13 Pages
| |||
3-1/2 DIGIT
ANALOG-TO-DIGITAL CONVERTERS
+ 9V
160 kΩ
300 kΩ 300 kΩ
V+
V–
VI–N
1N4148
SENSOR
R1
50 kΩ
VI+N
R2
50 kΩ
VR+EF TC7126A
VR– EF
COMMON
Figure 12. Temperature Sensor
1
TC7126
TC7126A
+ 9V
5.6 kΩ
160 kΩ
1N4148 R1
20 kΩ
0.7%/°C
PTC
R3
R2
20 kΩ
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 kΩ
R4
5
NC
51 kΩ
R5
2
3
3
TEMPERATURE
DEPENDENT OUTPUT
–8
1/2
1
LM358
+4
VOUT =
1.86V @
+25°C
GND
4
50 kΩ
R2
50 kΩ
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
Share Link: 