ICL7116 Intersil, ICL7116 Datasheet - Page 5

• Manufacturer Part Number: ICL7116
• Description: 31/2 Digit/ LCD/LED Display/ A/D Converter with Display Hold
• Manufacturer: Intersil

Pin Descriptions
40 PIN DIP
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
1
2
3
4
5
6
7
8
9
PIN NUMBER
FLATPACK
44 PIN
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
34
35
36
37
38
39
40
41
42
43
44
8
9
3
4
6
7
COMMON
BP/GND
REF HI
C
NAME
C
HLDR
BUFF
IN LO
OSC3
OSC2
OSC1
TEST
IN HI
POL
AB4
INT
A-Z
REF
REF
D1
C1
G1
D2
C2
D3
G3
C3
G2
V+
B1
A1
F1
E1
B2
A2
F2
E2
B3
F3
E3
A3
V-
+
-
FUNCTION
Supply/
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Output
Supply
Output
Output
Output
Supply
Output
Output
Input
Input
Input
Input
Input
ICL7116, ICL7117
Display Hold Control.
Driver Pin for Segment “D” of the display units digit.
Driver Pin for Segment “C” of the display units digit.
Driver Pin for Segment “B” of the display units digit.
Driver Pin for Segment “A” of the display units digit.
Driver Pin for Segment “F” of the display units digit.
Driver Pin for Segment “G” of the display units digit.
Driver Pin for Segment “E” of the display units digit.
Driver Pin for Segment “D” of the display tens digit.
Driver Pin for Segment “C” of the display tens digit.
Driver Pin for Segment “B” of the display tens digit.
Driver Pin for Segment “A” of the display tens digit.
Driver Pin for Segment “F” of the display tens digit.
Driver Pin for Segment “E” of the display tens digit.
Driver pin for segment “D” of the display hundreds digit.
Driver pin for segment “B” of the display hundreds digit.
Driver pin for segment “F” of the display hundreds digit.
Driver pin for segment “E” of the display hundreds digit.
Driver pin for both “A” and “B” segments of the display thousands digit.
Driver pin for the negative sign of the display.
Driver pin for the LCD backplane/Power Supply Ground.
Driver pin for segment “G” of the display hundreds digit.
Driver pin for segment “A” of the display hundreds digit.
Driver pin for segment “C” of the display hundreds digit.
Driver pin for segment “G” of the display tens digit.
Negative power supply.
Integrator amplifier output. To be connected to integrating capacitor.
Input buffer amplifier output. To be connected to integrating resistor.
Integrator amplifier input. To be connected to auto-zero capacitor.
Differential inputs. To be connected to input voltage to be measured. LO and HI
designators are for reference and do not imply that LO should be connected to
lower potential, e.g., for negative inputs IN LO has a higher potential than IN HI.
Internal voltage reference output.
Connection pins for reference capacitor.
Power Supply.
Display test. Turns on all segments when tied to V+.
Device clock generator circuit connection pins.
5
DESCRIPTION