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ICL7109MDL PDF预览

ICL7109MDL

更新时间： 2024-11-08 22:26:07
品牌 Logo 应用领域
英特矽尔 - INTERSIL 转换器微处理器
页数 文件大小 规格书
25页 947K
描述
12-Bit, Microprocessor- Compatible A/D Converter

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ICL7109MDL 数据手册

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®
ICL7109  
12-Bit, Microprocessor-  
November 2000  
Compatible A/D Converter  
Features  
Description  
• 12-Bit Binary (Plus Polarity and Over-Range) Dual  
Slope Integrating Analog-to-Digital Converter  
The ICL7109 is a high performance, CMOS, low power  
integrating A/D converter designed to easily interface with  
microprocessors.  
• Byte-Organized, TTL Compatible Three-State Outputs  
and UART Handshake Mode for Simple Parallel or  
Serial Interfacing to Microprocessor Systems  
The output data (12 bits, polarity and over-range) may be  
directly accessed under control of two byte enable inputs and a  
chip select input for a single parallel bus interface. A UART  
handshake mode is provided to allow the ICL7109 to work with  
industry-standard UARTs in providing serial data transmission.  
The RUN/HOLD input and STATUS output allow monitoring  
and control of conversion timing.  
• RUN/HOLD Input and STATUS Output Can Be Used to  
Monitor and Control Conversion Timing  
• True Differential Input and Differential Reference  
• Low Noise (Typ) . . . . . . . . . . . . . . . . . . . . . . . . 15µV  
P-P  
The ICL7109 provides the user with the high accuracy, low  
noise, low drift versatility and economy of the dual-slope  
integrating A/D converter. Features like true differential input  
• Input Current (Typ) . . . . . . . . . . . . . . . . . . . . . . . . . .1pA  
• Operates At Up to 30 Conversions/s  
o
and reference, drift of less than 1µV/ C, maximum input bias  
• On-Chip Oscillator Operates with Inexpensive 3.58MHz  
TV Crystal Giving 7.5 Conversions/s for 60Hz Rejec-  
tion. May Also Be Used with An RC Network Oscillator  
for Other Clock Frequencies  
current of 10pA, and typical power consumption of 20mW  
make the ICL7109 an attractive per-channel alternative to  
analog multiplexing for many data acquisition applications.  
Part Number Information  
Pinout  
ICL7109  
(CERDIP, PDIP, SBDIP)  
TOP VIEW  
TEMP.  
PKG.  
NO.  
o
PART NUMBER RANGE ( C)  
PACKAGE  
40 Ld SBDIP  
40 Ld SBDIP  
40 Ld CERDIP  
40 Ld PDIP  
ICL7109MDL  
ICL7109IDL  
-55 to 125  
-25 to 85  
-25 to 85  
0 to 70  
D40.6  
GND  
STATUS  
POL  
OR  
1
2
3
4
5
6
7
8
9
40 V+  
D40.6  
F40.6  
E40.6  
D40.6  
E40.6  
39 REF IN -  
38 REF CAP-  
37 REF CAP+  
36 REF IN+  
35 IN HI  
ICL7109IJL  
ICL7109CPL  
ICL7109MDL/883B  
ICL7109IPL  
B12  
-55 to 125  
-25 to 85  
40 Ld SBDIP  
40 Ld PDIP  
B11  
B10  
34 IN LO  
B9  
33 COMMON  
32 INT  
B8  
B7 10  
B6 11  
31 AZ  
30 BUF  
B5 12  
29 REF OUT  
28 V-  
B4 13  
B3 14  
27 SEND  
B2 15  
26 RUN/HOLD  
25 BUF OSC OUT  
24 OSC SEL  
23 OSC OUT  
22 OSC IN  
21 MODE  
B1 16  
TEST 17  
LBEN 18  
HBEN 19  
CE/LOAD 20  
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.  
File Number 3092.2  
1-888-INTERSIL or 321-724-7143 | Intersil (and design) is a registered trademark of Intersil Americas Inc.  
Copyright © Intersil Americas Inc. 2002. All Rights Reserved  
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