ICL7104 Intersil, ICL7104 Datasheet - Page 2

• Manufacturer Part Number: ICL7104
• Description: 14-Bit/16-Bit/ Microprocessor- Compatible/ 2-Chip/ A/D Converter
• Manufacturer: Intersil

Pinouts
Functional Block Diagram
10 F
ANALOG
ANALOG
5k
INPUT
REF BYPASS
REF SUPPLY
GND
V
COMP OUT
REF
REF CAP
REF OUT
300pF
OUT
REF
10k
GND
37
32
35
REF CAP (1)
V-
(OUTLINE DWGS DD, JD, PD)
6
3
+15V
5
ICL8052/ICL8068
REF.
INT.
FIGURE 1. ICL8052A (8068A)/ICL7104 16-BIT/14-BIT A/D CONVERTER FUNCTIONAL DIAGRAM
(CERDIP, PDIP)
1
2
3
4
5
6
7
8
+BUF IN
+BUF IN
SW3
SW5
SW4
SW7
TOP VIEW
V
7
-15V
REF
38
1
ICL8052/
ICL8068
SW6
C
13
-BUF IN
10
BUFFER
33
-1.2V
REF
SW8
+
-
A1
34
REF CAP (2)
14
13
12
11
10
8052/8068
9
8
SW9
SW2
BUF OUT
INT OUT
+BUFF IN
+INT IN
-INT IN
-BUFF IN
BUFF OUT
V++
9
+INT IN
R
ICL8052/ICL7104, ICL8068/ICL7104
INT
AZ
11
12
INTEG.
36
SW1
-INT IN
-
+
C
A2
INT
C
AZ
-1.2V
ICL7104-16
14
INT OUT
DIG GND
COMP.
+
-
COMP IN
BIT 16
BIT 15
BIT 14
BIT 13
BIT 12
BIT 11
BIT 10
A3
STTS
BIT 9
BIT 8
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
DETECTOR
CROSSING
POL
V++
OR
ZERO
50k
5-7
2
7104
COMP
OUT
300k
39
ICL7104-14
-15V
DIG GND
+5V
BIT 14
BIT 13
BIT 12
BIT 11
BIT 10
STTS
BIT 9
BIT 8
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
POL
OR POL
V++
OR
NC
NC
+15V
5
1
4
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4
5
6
7
8
9
16 15
+5V
6 7
(OUTLINE DWGS DL,
31
14 13
TOP VIEW
8 9
ICL7104-14
THREE-STATE OUTPUTS
ICL7104
BITS
(PDIP)
JL, PL)
CONTROL LOGIC
LATCHES
12 11
2
10 11
COUNTER
-15V
10 9
12 13
40
CLOCK
8 7
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
14 15
(1)
25
ICL7104-14
V-
COMP IN
REFCAP 1
V
AZ
ANALOG
GND
REFCAP 2
BUF IN
ANALOG I/P
V+
CE/LD
SEN
R/H
MODE
CLK 2
CLK 1
CLK 3
HBEN
LBEN
BIT 1
6 5
CLOCK
REF
16 17
(2)
26
4 3
18 19
STTS
2 1
20 21
3
ICL7104-16
24 HBEN
23 MBEN
22 LBEN
30 CE/LD
29
27
28
HBEN
MBEN
SEN
MODE
R/H