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Intersil Electronic Components Datasheet



ICL7106S

31/2 Digit/ LCD/LED Display/ A/D Converters


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ICL7106S pdf
January 1998
ICL7106, ICL7107,
ICL7106S, ICL7107S
31/2 Digit,
LCD/LED Display, A/D Converters
Features
• Guaranteed Zero Reading for 0V Input on All Scales
• True Polarity at Zero for Precise Null Detection
• 1pA Typical Input Current
• True Differential Input and Reference, Direct Display Drive
- LCD ICL7106, LED lCL7107
• Low Noise - Less Than 15µVP-P
• On Chip Clock and Reference
• Low Power Dissipation - Typically Less Than 10mW
• No Additional Active Circuits Required
• Enhanced Display Stability (ICL7106S, ICL7107S)
Ordering Information
PART NO.
TEMP.
RANGE (oC)
PACKAGE
PKG. NO.
Description
The Intersil ICL7106 and ICL7107 are high performance, low
power, 31/2 digit A/D converters. Included are seven seg-
ment decoders, display drivers, a reference, and a clock.
The ICL7106 is designed to interface with a liquid crystal dis-
play (LCD) and includes a multiplexed backplane drive; the
ICL7107 will directly drive an instrument size light emitting
diode (LED) display.
The ICL7106 and ICL7107 bring together a combination of
high accuracy, versatility, and true economy. It features auto-
zero to less than 10µV, zero drift of less than 1µV/oC, input
bias current of 10pA (Max), and rollover error of less than
one count. True differential inputs and reference are useful in
all systems, but give the designer an uncommon advantage
when measuring load cells, strain gauges and other bridge
type transducers. Finally, the true economy of single power
supply operation (ICL7106), enables a high performance
panel meter to be built with the addition of only 10 passive
components and a display.
ICL7106CPL
0 to 70 40 Ld PDIP
E40.6
ICL7106RCPL
0 to 70 40 Ld PDIP (Note) E40.6
ICL7106CM44
0 to 70 44 Ld MQFP
Q44.10x10
ICL7106SCPL
0 to 70 40 Ld PDIP
E40.6
ICL7107SCPL
0 to 70 40 Ld PDIP
E40.6
ICL7107CPL
0 to 70 40 Ld PDIP
E40.6
ICL7107RCPL
0 to 70 40 Ld PDIP (Note) E40.6
ICL7107CM44
0 to 70 44 Ld MQFP
Q44.10x10
NOTE: “R” indicates device with reversed leads for mounting to PC
board underside. “S” indicates enhanced stability.
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
http://www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 1999 1
File Number 3082.2



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ICL7106S pdf
ICL7106, ICL7107, ICL7106S, ICL7107S
Pinouts
ICL7106, ICL7107 (PDIP)
TOP VIEW
V+
D1
C1
B1
(1’s) A1
F1
G1
E1
D2
C2
B2
(10’s)
A2
F2
E2
D3
B3
(100’s)
F3
E3
(1000) AB4
(MINUS) POL
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
40 OSC 1
39 OSC 2
38 OSC 3
37 TEST
36 REF HI
35 REF LO
34 CREF+
33 CREF-
32 COMMON
31 IN HI
30 IN LO
29 A-Z
28 BUFF
27 INT
26 V-
25 G2 (10’s)
24 C3
23 A3 (100’s)
22 G3
21 BP/GND
ICL7106R, ICL7107R (PDIP)
TOP VIEW
OSC 1 1
OSC 2 2
OSC 3 3
TEST 4
REF HI 5
REF LO 6
CREF+
CREF-
COMMON
7
8
9
IN HI 10
IN LO 11
A-Z 12
BUFF 13
INT 14
V- 15
G2 (10’s) 16
C3 17
(100’s) A3 18
G3 19
BP/GND 20
40 V+
39 D1
38 C1
37 B1
36 A1 (1’s)
35 F1
34 G1
33 E1
32 D2
31 C2
30 B2
(10’s)
29 A2
28 F2
27 E2
26 D3
25 B3
(100’s)
24 F3
23 E3
22 (1000) AB4
21 POL
(MINUS)
ICL7106, ICL7107 (MQFP)
TOP VIEW
NC
NC
TEST
OSC 3
NC
OSC 2
OSC 1
V+
D1
C1
B1
44 43 42 41 40 39 38 37 36 35 34
1 33
2 32
3 31
4 30
5 29
6 28
7 27
8 26
9 25
10 24
11 23
12 13 14 15 16 17 18 19 20 21 22
NC
G2
C3
A3
G3
BP/GND
POL
AB4
E3
F3
B3
A1 F1 G1 E1 D2 C2 B2 A2 F2 E2 D3
2



Part Number ICL7106S
Description 31/2 Digit/ LCD/LED Display/ A/D Converters
Maker Intersil - Intersil
Total Page 16 Pages
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ICL7106S pdf
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