12-BIT µP-COMPATIBLE
ANALOG-TO-DIGITAL CONVERTERS
TC7109
TC7109A
PIN CONFIGURATIONS
6
5
4
3
2
1
44 43 42 41 40
44 43 42 41 40 39 38 37 36 35 34
B
B
7
8
39
38
37
36
35
34
33
32
31
30
29
B
B
1
2
3
4
33
32
31
30
29
28
27
26
25
24
23
IN HI
11
IN HI
11
IN LO
COMMON
INT
IN LO
COMMON
INT
10
10
B
B
9
9
8
7
9
8
7
B
B
10
11
B
B
AZ
AZ
5
6
TC7109ACLW
TC7109CLW
(PLCC)
TC7109ACKW
TC7109CKW
(PQFP)
NC 12
B
NC
NC
NC
B
6
13
14
15
16
17
6
BUFF
REF OUT
7
BUFF
REF OUT
B
B
B
5
5
4
8
–
–
B
4
V
9
V
B
B
B
B
SEND
10
11
3
2
SEND
3
2
RUN/HOLD
RUN/HOLD
25 26 27 28
18 19 20 21 22 23 24
19 20 21 22
12 13 14 15 16 17 18
+
40
39
38
37
36
GND
STATUS
POL
1
2
V
–
REF IN
–
+
3
REF CAP
REF CAP
4
OR
+
B
5
12
REF IN
B
6
11
35 IN HI
B
IN LO
10
34
33
32
31
7
B
9
8
COMMON
INT
B
B
9
8
7
10
AZ
TC7109A
TC7109
(CPL, IJL,
MJL)
(PDIP)
(CerDIP)
B
B
B
6
5
4
30 BUFF
11
12
13
14
15
16
29 REF OUT
–
28
V
B
B
27
SEND
3
2
26
RUN/HOLD
B
1
25
BUFF OSC OUT
24
23
22
21
TEST 17
OSC SEL
OSC OUT
OSC IN
18
19
20
LBEN
HBEN
CE/LOAD
MODE
NC = NO INTERNAL CONNECTION
3-94
TELCOM SEMICONDUCTOR, INC.
TELCOM [ TELCOM SEMICONDUCTOR, INC ]
