3-1/2 DIGIT
ANALOG-TO-DIGITAL CONVERTERS
TC7126
TC7126A
PIN CONFIGURATIONS
COMMON
+
VIN
–
VIN
VBUFF
1
OSC 1
OSC 2
OSC 3
VREF
–
VREF
+
C REF
C
–
REF
VREF
2
VINT
35
TEST
NC
6
5
4
3
2
1
44
43
42
41
40
44 43
42
41 40 39
38
37
36
F1
7
G1
8
E1
9
D
2
10
39
VREF
38
C REF
37
C REF
36
COMMON
–
V–
34
A1
B1
C1
D1
V
+
+
CAZ
+
NC
1
NC
2
TEST
3
OSC
3
4
33
NC
32
G
+
2
–
31
C
3
30
A
3
29
G
3
C
2
11
+
35
VIN
NC
5
OSC
2
6
OSC
1
7
3
4
5
NC
12
B
2
13
A 2
14
F 2
15
E 2
16
TC7126CLW
TC7126ACLW
(PLCC)
34
NC
33
VIN
32
CAZ
31
VBUFF
30
VINT
29
V –
–
V
+
8
D1
9
C
1
10
B
1
11
12 13
14
TC7126CKW
TC7126ACKW
(FLAT PACKAGE)
28
BP
27
POL
26
AB
4
25
E3
24
F3
23
B3
D
3
17
18 19
20
21
22
23
24
25
26
27
28
15
16
17
18
19
20
21 22
AB4
B3
F3
E3
G3
A3
C3
POL
BP
G2
NC
D2
C2
B2
A2
A1
G1
V+
D1
C1
B1
1's
A1
F1
G1
E1
D2
1
2
3
4
5
6
7
8
9
40 OSC 1
NORMAL PIN
CONFIGURATION 39 OSC2
38 OSC 3
37 TEST
+
36 V REF
35 V –
REF
+
34 CREF
–
33 CREF
32 ANALOG
COMMON
+
31 V IN
30 V –
IN
29 CAZ
28 VBUFF
27 V INT
26 V –
25 G
2
24 C 3
23 A 3
22 G 3
OSC1
OSC2
OSC 3
1
2
3
40 V +
REVERSE PIN
CONFIGURATION 39 D1
38 C1
37 B1
36 A1
35
F1
C2 10
10's
B2 11
A2 12
F2 13
E 2 14
D3 15
100's
B3 16
F3 17
E 3 18
1000's
AB4 19
POL 20
(MINUS SIGN)
TC7126CPL
TC7126ACPL
TC7126IPL
TC7126AIPL
TEST 4
+
V REF 5
–
VREF 6
+
CREF 7
–
CREF 8
ANALOG 9
COMMON
+
V IN 10
V – 11
IN
CAZ 12
VBUFF 13
V INT 14
V – 15
G 2 16
E1
E2
D3
F1
F2
1's
34 G1
33 E 1
32 D2
TC7126RCPL
TC7126ARCPL
TC7126RIPL
TC7126ARIPL
31 C2
30 B2
29 A2
28
F2
6
10's
27 E 2
26 D3
25 B3
24
F3
100's
100's
C 3 17
A 3 18
G 3 19
100's
7
23 E 3
22 AB4
1000's
21 POL
(MINUS SIGN)
21 BP
(BACKPLANE)
BP 20
(BACKPLANE)
NC = NO INTERNAL CONNECTION
8
3-219
TELCOM SEMICONDUCTOR, INC.
TELCOM [ TELCOM SEMICONDUCTOR, INC ]
