tc7135 Microchip Technology Inc., tc7135 Datasheet - Page 15

• Manufacturer Part Number: tc7135
• Description: 4-1/2 Digit A/d Converter
• Manufacturer: Microchip Technology Inc.

FIGURE 6-5:
© 2007 Microchip Technology Inc.
MCP1525
+5V
SIG
1 µF
IN
+
100
0.33 µF
kΩ
Analog
GND
0.1
µF
100
kΩ
100 kΩ
1 µF
+5V
1 µF
SET V
10
11
12
13
14
1
2
3
4
5
6
7
8
9
4-1/2 Digit ADC With Multiplexed Common Cathode LED Display.
5V
V–
REF IN
ANALOG
GND
INT
OUT
AZ IN
BUFF
OUT
C
C
–INPUT
+INPUT
V+
D5 (MSD)
B1 (LSB)
B2
REF
REF
REF
+
–
TC7135
= 1V
RUN/HOLD
POLARITY
(MSB) B8
STROBE
(LSD) D1
CLK IN
DGND
BUSY
OR
UR
D2
D3
D4
B4
28
27
26
25
24
23
22
21
20
19
18
17
16
15
kΩ
47
150Ω
+5V
F
OSC
= 200 kHz
150Ω
10
11
12
13
14
15
16
17
18
MC14513
TC7135
DS21460D-page 15
7
9
8
6
5
4
3
2
1
+5V