TC7135 View Datasheet(PDF) - TelCom Semiconductor Inc => Microchip
Part Name
Description
Manufacturer
TC7135 Datasheet PDF : 13 Pages
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4-1/2 DIGIT
ANALOG-TO-DIGITAL CONVERTER
TC7135
TYPICAL APPLICATIONS (Cont.)
4-1/2 Digit ADC With Multiplexed Common Anode LED Display +5V
3-124
20 19 18 17 12
D1 D2 D3 D4 D5
4
INT OUT
0.47 µF
1 µF
5
AZ IN
6 BUFF
POL 23
100 kΩ
OUT
C–REF 7
120 kHz
100 kΩ
+
22 fIN
TC7135
C+REF 8
10 +INPUT
ANALOG
INPUT
–
1 µF
9 –INPUT
3 ANALOG
COMMON
B8 16
15
B4 14
B2
B1 13
V–
REF
IN
V+
4.7 kΩ
1 µF
12
6.8 kΩ 11
–5V
100 kΩ
TC04
bc
BLANK MSD ON ZERO
6D
2
C
1
B
7A
7
7
7
7
X7
5 9–15
RBI
7447
16 +5V
4-1/2 Digit ADC Interfaced to LCD With Digit Blanking on Overrange
+5V
4-1/2 DIGIT LCD
1/2 CD4030
–5V
SEGMENT
DRIVE
1
23
V–
4 INT OUT
0.47 µF
POL D1 20
D2 19
5 AZ IN
D3 18
1 µF
6 BUFF OUT
D4 17
100 kΩ
120 kHz
22
fIN TC7135
100 kΩ
+
ANALOG
INPUT
–
10
+INPUT
9 –INPUT
B8 16
B4 15
B2 14
B1 13
D5 12
3 ANALOG
26
STROBE
COMMON
OR 27
REF
IN
V+
2
6.8 kΩ
100 kΩ
TC04
CD4081
1/4 CD4030
CD4071
+5V
1/4 CD4030
1/4 CD4081
D
1/2 Q
CD4013
CLK
SR
5 BP
31 D1
32 D2
33 D3
34 D4
30
TC7211A
B3
29 B2
28
B1
27 B0
V+ 1
GND 35
+5V
TELCOM SEMICONDUCTOR, INC.
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