TC7116 View Datasheet(PDF) - TelCom Semiconductor Inc => Microchip
Part Name
Description
Manufacturer
TC7116 Datasheet PDF : 14 Pages
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TC7116
TC7116A
TC7117
TC7117A
TYPICAL APPLICATIONS
40
39
38
37
36
35
34
33
32
TC7116
TC7116A
31
30
29
28
27
26
25
24
23
22
21
SET VREF = 100 mV
100 kΩ
100 pF
0.1 pF 1 kΩ
22 kΩ
1 MΩ
0.47 µF
0.22 µF
0.01 µF
+
47 kΩ
–
+
IN
–
9V
TO DISPLAY
TO BACKPLANE
Figure 11. TC7116/TC7116A Using the Internal Reference
(200 mV Full Scale, 3 Readings Per Second (RPS)
3-1/2 DIGIT ANALOG-TO-DIGITAL
CONVERTERS WITH HOLD
O/R
U/R
CD4023
OR 74C10
V+
TO
LOGIC
VCC
40
35
TO
LOGIC
GND
TC7116
TC7116A
26
V–
20
21
CD4077
O/R = OVERRANGE
U/R = UNDERRANGE
Figure 13. Circuit for Developing Underrange and Overrange
Signals from TC7116/TC7116A Outputs
40
39
38
37
36
35
34
33
32
31
TC7117 30
TC7117A 29
28
27
26
25
24
23
22
21
SET VREF = 100 mV
100 kΩ
100 pF
0.1 pF 1 kΩ
22 kΩ
1 MΩ
0.47 µF
0.01 µF
47 kΩ
0.22 µF
TO DISPLAY
+5V
+
IN
–
–5V
40
39
38
37
36
35
34
33
32
31
TC7117 30
TC7117A 29
28
27
26
25
24
23
22
21
100 kΩ
SET VREF= 100 mV
100 pF
0.1 pF 1 kΩ
10 kΩ
1.2V
10 kΩ
V+
TC9491CZM
+
0.47 µF
0.01 µF
47 kΩ
1 MΩ
IN
–
0.22 µF
V–
TO DISPLAY
Figure 12. TC7117/TC7117A Internal Reference (200 mV Full Scale,
3 RPS, VI–N Tied to GND for Single-Ended Inputs.)
Figure 14. TC7117/TC7117A With a 1.2V External Band-Gap
Reference (VI–N Tied to Common)
3-214
TELCOM SEMICONDUCTOR, INC.
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