tc835 Microchip Technology Inc., tc835 Datasheet - Page 15

• Manufacturer Part Number: tc835
• Description: Personal Computer Data Acquisition A/d Converter
• Manufacturer: Microchip Technology Inc.

FIGURE 6-6:
FIGURE 6-7:
© 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
Signal
Input
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.
Test Circuit.
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
0.47 µF
+
–
TC835
SET V
+ 5V
= 1V
RUN/HOLD
V
POLARITY
Analog GND
100 kΩ
(MSB) B8
0.1 µF
REF
(LSD) D1
STROBE
CLK IN
DGND
BUSY
REF
IN
UR
OR
100 kΩ
D2
D3
D4
B4
= 1V
100 kΩ
28
27
26
25
24
23
22
21
20
19
18
17
16
15
kΩ
47
1 µF
1 µF
150Ω
5V
10
11
12
13
14
1
2
3
4
5
6
7
8
9
+5V
V-
REF IN
ANALOG
COMMON
INT OUT
AZ IN
BUFF OUT
C
C
-INPUT
+INPUT
V+
D5 (MSD)
B1 (LSB)
B2
REF
REF
F
OSC
-
+
= 200 kHz
TC835
UNDERRANGE
OVERRANGE
DIGTAL GND
RUN/HOLD
POLARITY
CLOCK IN
(MSB) B8
STROBE
(LSD) D1
BUSY
D2
D3
D4
B4
28
27
26
25
24
23
22
21
20
19
18
17
16
15
Clock Input
120 kHz
150Ω
10
11
12
13
14
15
16
17
18
MC14513
DS21478C-page 15
TC835
7
9
8
6
5
4
3
2
1
+5V