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LCL8052CDD PDF预览

LCL8052CDD

更新时间: 2024-09-13 21:54:47
品牌 Logo 应用领域
英特矽尔 - INTERSIL 转换器
页数 文件大小 规格书
19页 170K
描述
Precision 4 1/2 Digit, A/D Converter

LCL8052CDD 数据手册

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ICL8052/ICL71C03,  
ICL8068/ICL71C03  
1
August 1997  
Precision 4 / Digit, A/D Converter  
2
Features  
Description  
• Typically Less Than 2µV  
Scale, lCL8068)  
Noise (200.00mV Full  
The ICL8052 or ICL8068/lCL71C03 chip pairs with their  
multiplexed BCD output and digit drivers are ideally suited  
P-P  
for the visual display DVM/DPM market. The outstanding  
4 / digit accuracy, 200.00mV to 2.0000V full scale capabil-  
2
ity, auto-zero and auto-polarity combine with true ratiometric  
operation, almost ideal differential linearity and time-proven  
dual slope conversion. Use of these chip pairs eliminates  
clock feedthrough problems, and avoids the critical board  
layout usually required to minimize charge injection.  
• Accuracy Guaranteed to ±1 Count Over Entire ±20,000  
Counts (2.0000V Full Scale)  
1
• Guaranteed Zero Reading for 0V Input  
• True Polarity at Zero Count for Precise Null Detection  
• Single Reference Voltage Required  
When only 2000 counts of resolution are required, the 71C03  
1
• Over-Range and Under-Range Signals Available for  
Auto-Ranging Capability  
can be wired for 3 / digits and give up to 30 readings/sec.,  
2
making it ideally suited for a wide variety of applications.  
• All Outputs TTL Compatible  
The ICL71C03 is an improved CMOS plug-in replacement for  
the lCL7103 and should be used in all new designs.  
• Medium Quality Reference, 40ppm (Typ) on Board  
• Blinking Display Gives Visual Indication of Over  
Range  
Ordering Information  
TEMP.  
PKG.  
NO.  
• Six Auxiliary Inputs/Outputs are Available for  
Interfacing to UARTs, Microprocessors or Other  
Complex Circuitry  
o
PART NUMBER RANGE ( C)  
PACKAGE  
14 Ld PDIP  
ICL8052CPD  
lCL8052CDD  
lCL8052ACPD  
ICL8052ACDD  
ICL8068CDD  
ICL8068ACDD  
lCL8068ACJD  
ICL71C03CPl  
lCL71C03ACPl  
0 to 70  
0 to 70  
0 to 70  
0 to 70  
0 to 70  
0 to 70  
0 to 70  
0 to 70  
0 to 70  
E14.3  
14 Ld CERDIP  
14 Ld PDIP  
F14.3  
E14.3  
F14.3  
F14.3  
F14.3  
F14.3  
E28.6  
E28.6  
• 5pA Input Current (Typ) (8052A)  
14 Ld CERDIP  
14 Ld CERDIP  
14 Ld CERDIP  
14 Ld CERDIP  
28 Ld PDIP  
28 Ld PDIP  
Pinouts  
ICL8052/ICL8068  
(CERDIP, PDIP)  
TOP VIEW  
ICL71C03 (PDIP)  
TOP VIEW  
V+  
1
2
3
4
5
6
7
8
9
28 BUSY  
1
1
2
4 / / 3 /  
27 D (LSD)  
1
V-  
COMP OUT  
REF CAP  
1
2
3
4
5
6
7
14 INT OUT  
13 +BUFF IN  
12 +INT IN  
11 -INT IN  
2
-1.2V  
26 D  
2
POL  
25 D  
3
RUN/HOLD  
COMP IN  
24 D  
4
REF BYPASS  
GND  
V-  
23 B (MSB)  
8
V
10 -BUFF IN  
REFERENCE  
REF. CAP. 1  
REF. CAP. 2  
22 B  
4
REF  
21 B  
2
1
REF OUT  
9
8
BUFF OUT  
V++  
20  
B
(LSB)  
ICL8052/  
ICL8068  
REF SUPPLY  
ANALOG IN 10  
ANALOG GND 11  
CLOCK IN 12  
19 D (MSD)  
5
18 STROBE  
17 A-Z IN  
UNDER-RANGE 13  
OVER-RANGE 14  
16 A-Z OUT  
15 DIGITAL GND  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
http://www.intersil.com or 407-727-9207 | Copyright © Intersil Corporation 1999  
File Number 3081.1  
3-34  

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