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ICL7117CPL

更新时间： 2024-11-08 22:55:23
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英特矽尔 - INTERSIL 转换器光电二极管
页数 文件大小 规格书
14页 143K
描述
31/2 Digit, LCD/LED Display, A/D Converter with Display Hold

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ICL7117CPL 数据手册

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ICL7116, ICL7117  
1
3 / Digit, LCD/LED Display,  
2
A/D Converter with Display Hold  
January 1998  
Features  
Description  
• HOLD Reading Input Allows Indefinite Display Hold  
• Guaranteed Zero Reading for 0V Input  
• True Polarity at Zero for Precise Null Detection  
• 1pA Typical Input Current  
The Intersil ICL7116 and ICL7117 are high performance, low  
1
power, 3 / digit, A/D converters. Included are seven segment  
2
decoders, display drivers, a reference, and a clock. The  
ICL7116 is designed to interface with a liquid crystal display  
(LCD) and includes a multiplexed backplane drive. The  
ICL7117 will directly drive an instrument size, light emitting  
diode (LED) display.  
• Direct Display Drive  
- LCD ICL7116  
- LED lCL7117  
The ICL7116 and ICL7117 have all of the features of the  
ICL7106 and ICL7107 with the addition of a HOLD Reading  
input. With this input, it is possible to make a measurement  
and retain the value on the display indefinitely. To make room  
for this feature the reference low input has been connected  
to Common internally rather than being fully differential.  
These circuits retain the accuracy, versatility, and true econ-  
omy of the ICL7106 and ICL7107. They feature auto-zero to  
• Low Noise - Less Than 15µV  
(Typ)  
P-P  
• On Chip Clock and Reference  
• Low Power Dissipation - Typically Less Than 10mW  
• No Additional Active Circuits Required  
• Surface Mount Package Available  
o
less than 10µV, zero drift of less than 1µV/ C, input bias cur-  
Ordering Information  
rent of 10pA maximum, and roll over error of less than one  
count. The versatility of true differential input is of particular  
advantage when measuring load cells, strain gauges and  
other bridge-type transducers. And finally, the true economy  
of single power supply operation (ICL7116) enables a high  
performance panel meter to be built with the addition of only  
eleven passive components and a display.  
TEMP.  
o
PART NUMBER RANGE ( C)  
PACKAGE  
40 Ld PDIP  
44 Ld MQFP  
40 Ld PDIP  
PKG. NO.  
E40.6  
ICL7116CPL  
ICL7116CM44  
ICL7117CPL  
0 to 70  
0 to 70  
0 to 70  
Q44.10x10  
E40.6  
Pinouts  
ICL7116, ICL7117 (PDIP)  
ICL7116 (MQFP)  
TOP VIEW  
TOP VIEW  
1
2
40 OSC 1  
39 OSC 2  
38 OSC 3  
37 TEST  
36 REF HI  
35 V+  
HLDR  
D1  
C1  
B1  
A1  
F1  
G1  
E1  
D2  
C2  
B2  
A2  
F2  
E2  
D3  
B3  
F3  
E3  
3
4
(1’s)  
5
6
44 43 42 41 40 39 38 37 36 35 34  
1
NC  
G2  
C3  
A3  
G3  
NC  
NC  
33  
32  
31  
30  
29  
7
34  
33  
C
C
+
-
REF  
REF  
2
8
3
4
5
6
7
8
9
TEST  
OSC 3  
NC  
9
32 COMMON  
31 IN HI  
30 IN LO  
29 A-Z  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
(10’s)  
OSC 2  
OSC 1  
HLDR  
D1  
28  
27  
26  
25  
24  
23  
BP  
POL  
AB4  
E3  
28 BUFF  
27 INT  
26 V-  
10  
11  
C1  
F3  
25 G2 (10’s)  
24 C3  
(100’s)  
B1  
B3  
12 13 14 15 16 17 18 19 20 21 22  
(100’s)  
23 A3  
22 G3  
(1000) AB4  
POL  
21 BP/GND  
(MINUS)  
A1 F1 G1 E1 D2 C2 B2 A2 F2 E2 D3  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
File Number 3083.2  
http://www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 1999  
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ICL7117CPL 替代型号

型号 品牌 替代类型 描述 数据表
ICL7117CPL+ MAXIM

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TC7117CPLG MICROCHIP

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ICL7117CJL MAXIM

功能相似

 3 Digit A/D Converter With Display Hold

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