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AD7306JRZ

更新时间： 2024-09-25 21:16:19
品牌 Logo 应用领域
亚德诺 - ADI 驱动信息通信管理光电二极管接口集成电路驱动器
页数 文件大小 规格书
10页 160K
描述
+5 V Powered RS-232/RS-422 Transceiver

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AD7306JRZ 数据手册

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+5 V Powered  
RS-232/RS-422 Transceiver  
a
AD7306  
FEATURES  
RS-232 and RS-422 on One Chip  
Single +5 V Supply  
FUNCTIO NAL BLO CK D IAGRAM  
0.1 ␮F Capacitors  
1
2
24  
23  
22  
21  
20  
19  
18  
17  
16  
V+  
C1+  
C1–  
V–  
Short Circuit Protection  
Excellent Noise Im m unity  
Low Pow er BiCMOS Technology  
High Speed, Low Skew RS-422 Operation  
–40؇C to +85؇C Operations  
C2–  
C2+  
R2  
3
R2  
4
IN  
OUT  
T1  
5
T1  
T2  
OUT  
OUT  
IN  
APPLICATIONS  
DTE-DCE Interface  
Packet Sw itching  
Local Area Netw orks  
Data Concentration  
T2  
6
AD7306  
SOIC  
IN  
V
7
CC  
GND  
R1  
TOP VIEW  
(Not to Scale)  
R1 (B)  
IN  
8
OUT  
R1 /R1 (A)  
Data Multiplexers  
Integrated Services Digital Netw ork (ISDN)  
T3  
IN  
9
IN  
IN  
OUT  
OUT  
T3  
T3  
(B)  
(A)  
NC  
10  
11  
12  
15 232/422 SEL  
14  
13  
GND  
NC  
GENERAL D ESCRIP TIO N  
T he AD7306 line driver/receiver is a 5 V monolithic product  
which provides an interface between T T L signal levels and dual  
standard EIA RS-232/RS-422 signal levels. T he part contains  
two RS-232 drivers, one RS-422 driver, one RS-232 receiver,  
and one receiver path which can be configured either as RS-232  
or as RS-422.  
NC = NO CONNECT  
T he RS-232 channels are suitable for communications rates up  
to 100 kHz and the RS-422 channels are suitable for high speed  
communications up to 5 MHz. T he RS-422 transmitter comple-  
mentary outputs are closely matched and feature low timing  
skew between the complementary outputs. T his is often an es-  
sential requirement to meet tight system timing specifications.  
An internal charge pump voltage converter facilitates operation  
from a single +5 V power supply. T he internal charge pump  
generates ±10 V levels allowing RS-232 output levels to be de-  
veloped without the need for external bipolar power supplies.  
All inputs feature ESD protection, all driver outputs feature  
high source and sink current capability and are internally pro-  
tected against short circuits on the outputs. An epitaxial layer is  
used to guard against latch-up.  
A highly efficient charge pump design allows operation using  
non polarized, miniature 0.1 µF capacitors. T his gives a consid-  
erable saving in printed circuit board space over conventional  
products which can use up to 10 µF capacitors. T he charge  
pump output voltages may also be used to power external cir-  
cuitry which requires dual supplies.  
T he part is available in a 24-lead SOIC and 24-pin plastic DIP  
package.  
Rev. C  
Document Feedback  
Information furnished by Analog Devices is believed to be accurate and reliable. However, no  
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other  
rights of third parties that may result from its use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks and registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Technical Support  
©2017 Analog Devices, Inc. All rights reserved.  
www.analog.com  
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AD7306JRZ 替代型号

型号 品牌 替代类型 描述 数据表
AD7306AR ADI

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 +5 V Powered RS-232/RS-422 Transceiver

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