tc7135 Microchip Technology Inc., tc7135 Datasheet - Page 2

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

TC7135
Package Types
DS21460D-page 2
BUFF OUT
REF CAP–
REF CAP+
BUFF OUT
(MSD) D5
ANALOG
INT OUT
(LSB) B1
–INPUT
+INPUT
–INPUT
+INPUT
REF IN
C
C
AZ IN
AZ IN
COM
REF
REF
NOTE: NC = No internal connection.
V+
V–
V+
B2
–
+
10
11
10
11
5
6
7
8
9
12
13
14
1
2
3
4
5
6
7
8
9
12 13 14 15
4
28-Pin PDIP
3
TC7135
28-Pin PLCC
TC7135
2
1
28
16
27 26
17 18
27
20
19
18
28
26
25
24
23
22
21
17
16
15
UNDERRANGE
OVERRANGE
STROBE
RUN/HOLD
DIGiTAL GND
POLARITY
CLOCK IN
BUSY
D1 (LSD)
D2
D3
D4
B8 (MSB)
B4
25
24
23
22
21
20
19
RUN/HOLD
DIGTAL GND
POLARITY
CLOCK IN
BUSY
D1 (LSD)
D2
UNDERRANGE
ANALOG COM
OVERRANGE
COMMON ANALOG
REF IN
UNDERRANGE
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
V–
OVERRANGE
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
STROBE
64
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
REF IN
l
63
NC
NC
NC
NC
NC
V–
62
34
35
36
37
38
39
40
41
42
43
44
61 60 59 58 57 56 55 54 53 52 51 50 49
33 32 31 30 29 28 27 26 25
1
2
64-Pin MQFP
44-Pin MQFP
3
TC7135
4
TC7135
5
© 2007 Microchip Technology Inc.
6
7
8
9
24
10
23
11
32
20
19
18
17
16
15
14
13
12
22
21
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
NC
NC
D3
D4
B8
B4
B2
B1
D5
NC
NC
NC
NC
NC
D3
D4
B8
B4
B2
NC
B1
D5
NC
NC
NC
NC
NC