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Intersil Electronic Components Datasheet



ICL7107

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



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ICL7107 pdf
DATASHEET
31/2 Digit, LCD/LED Display, A/D Converters
ICL7106, ICL7107, ICL7107S
Features
The Intersil ICL7106 and ICL7107 are high performance, low
power, 31/2 digit A/D converters. Included are seven segment
decoders, display drivers, a reference, and a clock. The
ICL7106 is designed to interface with a liquid crystal display
(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/°C,
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.
• 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
• Pb-free (RoHS compliant)
Ordering Information
PART NUMBER
(Note 2)
PART MARKING
TEMP. RANGE
(°C)
PACKAGE
(Pb-Free)
PKG. DWG. #
ICL7106CPLZ
ICL7106CPLZ
0 to 70
40 Ld PDIP (Note 3)
E40.6
ICL7106CM44Z (Note 4)
ICL7106 CM44Z
0 to 70
44 Ld MQFP
Q44.10x10
ICL7106CM44ZT (Notes 4, 5)
ICL7106 CM44Z
0 to 70
44 Ld MQFP Tape and Reel
Q44.10x10
ICL7107CPLZ
ICL7107CPLZ
0 to 70
40 Ld PDIP (Note 3)
E40.6
ICL7107SCPLZ
ICL7107SCPLZ
0 to 70
40 Ld PDIP (Notes 1, 3)
E40.6
ICL7107CM44Z (Note 4)
ICL7107 CM44Z
0 to 70
44 Ld MQFP
Q44.10x10
ICL7107CM44ZT (Notes 4, 5)
ICL7107 CM44Z
0 to 70
44 Ld MQFP Tape and Reel
Q44.10x10
NOTES:
1. “S” indicates enhanced stability.
2. These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte
tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations). Intersil
Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
3. Pb-free PDIPs can be used for through hole wave solder processing only. They are not intended for use in Reflow solder processing applications.
4. For Moisture Sensitivity Level (MSL), please see product information page for ICL7106, ICL7107, ICL7107S. For more information on MSL, please see
tech brief TB363.
5. Please refer to TB347 for details on reel specifications.
October 24, 2014
FN3082.9
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas LLC 2002, 2004, 2005, 2014. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.



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ICL7107 pdf
ICL7106, ICL7107, ICL7107S
Pin Configurations
ICL7106, ICL7107, ICL7107S (PDIP)
TOP VIEW
V+
D1
C1
B1
(1’s) A1
F1
G1
E1
D2
C2
(10’s) B2
A2
F2
E2
D3
(100’s) B3
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
ICL7106, ICL7107 (MQFP)
TOP VIEW
NC
NC
TEST
OSC 3
NC
OSC 2
OSC 1
V+
D1
C1
B1
144 43 42 41 40
39
38
37 36
35 34
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
A1 F1 G1 E1 D2 C2 B2 A2 F2 E2 D3
NC
G2
C3
A3
G3
BP/GND
POL
AB4
E3
F3
B3
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FN3082.9
October 24, 2014



Part Number ICL7107
Description 31/2 Digit/ LCD/LED Display/ A/D Converters
Maker Intersil - Intersil
Total Page 17 Pages
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