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ADG3308BRU

更新时间: 2024-11-24 22:47:35
品牌 Logo 应用领域
亚德诺 - ADI 转换器电平转换器
页数 文件大小 规格书
5页 68K
描述
Low Voltage 1.2 V to 5.5 V, Bidirectional, Logic Level Translators

ADG3308BRU 数据手册

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PRELIMINARY TECHNICAL DATA  
Low Voltage 1.2 V to 5.5 V,  
a
Bidirectional,LogicLevelTranslators  
Preliminary Technical Data  
ADG3308  
FEATURES  
F U NC T IO NAL B LO C K D IAG RAM  
Bidirectional Level Translation  
Operates from 1.2 V to 5.5 V  
Low Quiescent Current <5µA  
V
V
CCY  
CCA  
Y1  
Y2  
Y3  
Y4  
Y5  
Y6  
Y7  
Y8  
A1  
A2  
A3  
A4  
A5  
A6  
A7  
APPLICATIONS  
SPITM, Microw ireTM and I2CTM Translation  
Low Voltage ASIC level Translation  
Sm art Card Readers  
Cell Phones & Cell-Phone Cradles  
Portable Com m unication Devices  
Telecom m unicatons Equipm ent  
Netw ork Sw itches and Routers  
Storage System s (SAN/ NAS)  
Com puting/ Server Applications  
GPS  
A8  
EN  
Portable POS System s  
Low Cost Serial Interfaces  
GND  
G E NE R AL D E S C R IP T IO N  
P R O D U C T H IG H LIG H T S  
1. Bidirectional Level T ranslation.  
2. T he ADG3308 is fully guaranteed from 1.2 V to  
5.5 V supply range.  
T he ADG3308 is an 8-Channel bidirectional level transla-  
tor. Its function is to provide level shifting in a multi-  
voltage system. T he voltage applied to VCCA sets up the  
logic levels on the A side of the device, while VCCY sets  
the levels on the Y side. In this way, signals applied to the  
VCCA side of the device appear as VCCY compatible logic  
on the other side of the device and vice versa as the device  
is designed to handle bidirectional signals. T he device is  
guaranteed for operation over the supply range 1.2 V to  
5.5 V.  
3. 20 lead T SSOP and LFCSP (4mm x4mm) packages.  
T hese devices are suited to applications like data transfer  
between a low voltage DSP/Controller and a higher  
voltage device. Other applications include high end  
consumer products where constant changes to the chipset  
desgins result in multiple supply levels in the application.  
VCCY operates from +1.65 to 5.5 V while VCCA from +1.2  
to VCCY. VCCA must always operate from a supply that is  
lower than VCCY. When the device Enable pin (EN) is  
pulled low, the Ax and Yx inputs/outputs are tri-stated.  
T he EN pin is driven high for normal operation. EN pin  
is referred to VCCY voltage.  
REV. PrE Feb 2004  
Inform ation furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assum ed by Analog Devices for its  
use, nor for any infringem ents of patents or other rights of third parties  
which m ay result from its use. No license is granted by im plication or  
otherwise under any patent or patent rights of Analog Devices.  
One Technology Way, P.O. Box 9106, Norw ood, MA 02062-9106, U.S.A.  
Tel: 781/ 329-4700  
Fax: 781/ 326-8703  
World Wide Web Site: http:/ / w w w.analog.com  
Analog Devices, Inc., 2004  

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