ICL8052 Datasheet, PDF (2/21 Pages) Intersil Corporation – 14-Bit/16-Bit, Microprocessor- Compatible, 2-Chip, A/D Converter

ICL8052/ICL7104, ICL8068/ICL7104
Pinouts
ICL8052/ICL8068
(CERDIP, PDIP)
TOP VIEW
V- 1
COMP OUT 2
14 INT OUT
-1.2V
13 +BUFF IN
REF CAP 3
12 +INT IN
REF BYPASS 4
11 -INT IN
GND 5 ^VREF
10 -BUFF IN
REF OUT 6
9 BUFF OUT
REF SUPPLY 7
ICL8052/ 8 V++
ICL8068
(OUTLINE DWGS DD, JD, PD)
ICL7104-16
V++
DIG GND
STTS
POL
OR
BIT 16
BIT 15
BIT 14
BIT 13
BIT 12
BIT 11
BIT 10
BIT 9
BIT 8
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
ICL7104-14
V++ 1
ICL7104
(PDIP)
TOP VIEW
ICL7104-14
40 V-
ICL7104-16
DIG GND 2
39 COMP IN
STTS 3
38 REFCAP 1
POL 4
OR 5
BIT 14 6
BIT 13 7
37 V_REF
36 AZ
35
ANALOG
GND
34 REFCAP 2
BIT 12 8
33 BUF IN
BIT 11 9
32 ANALOG I/P
BIT 10
BIT 9
NC
10
ICL7104-14
31 V+
11
(OUTLINE DWGS DL,
JL, PL)
30
CE/LD
12
29 SEN
NC 13
28 R/H
BIT 8 14
27 MODE
BIT 7 15
26 CLK 2
BIT 6 16
25 CLK 1
BIT 5 17
24 CLK 3
HBEN
BIT 4 18
23 HBEN
MBEN
BIT 3 19
22 LBEN
BIT 2 20
21 BIT 1
Functional Block Diagram
+15V -15V
R_INT
C_INT
BITS
-BUF IN BUF OUT -INT IN INT OUT
OR POL 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
REF
OUT ₆
87
1
10
BUFFER
9
11
14
INTEG.
INT.
3 _REF.
-
COMP. COMP
-
OUT
300pF
5kΩ
A1
A2
+
+
8052/8068
-
A3
+5V
+
2
10kΩ ^{5 +BUF IN 13}
-1.2V
+INT IN 12
50kΩ _-15V
10µF
C_AZ
5 4 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
THREE-STATE OUTPUTS
LATCHES
24 _HBEN
23 MBEN
COUNTER
22 _LBEN
30 CE/LD
+BUF IN
33
AZ
36
COMP IN 300kΩ
39
V_REF
ANALOG
INPUT
ANALOG
GND
SW3
37 _SW5
SW6
SW4
32
SW7
SW8 SW2
SW9
35
38
34
REF CAP (1)
REF CAP (2)
C_REF
SW1
7104
ZERO
CROSSING
DETECTOR
CONTROL LOGIC
29 SEN
27 MODE
28 R/H
1
+15V
31
+5V
2
40
25
26
3
-15V CLOCK CLOCK STTS
(1) (2)
FIGURE 1. ICL8052A (8068A)/ICL7104 16-BIT/14-BIT A/D CONVERTER FUNCTIONAL DIAGRAM
5-7