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ADG432 PDF预览

ADG432

更新时间: 2024-11-04 22:32:23
品牌 Logo 应用领域
亚德诺 - ADI 开关
页数 文件大小 规格书
8页 123K
描述
LC2MOS Precision Quad SPST Switches

ADG432 数据手册

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LC2MOS  
a
Precision Quad SPST Switches  
ADG431/ADG432/ADG433  
FUNCTIONAL BLOCK DIAGRAMS  
FEATURES  
44 V Supply Maximum Ratings  
؎15 V Analog Signal Range  
Low On Resistance (<24 )  
Ultralow Power Dissipation (3.9 W)  
Low Leakage (<0.25 nA)  
Fast Switching Times  
tON <165 ns  
tOFF <130 ns  
Break-Before-Make Switching Action  
TTL/CMOS Compatible  
Plug-in Replacement for DG411/DG412/DG413  
S1  
S1  
IN1  
IN2  
IN3  
IN4  
IN1  
IN2  
IN3  
IN4  
D1  
S2  
D1  
S2  
D2  
S3  
D2  
S3  
ADG431  
ADG432  
D3  
S4  
D3  
S4  
D4  
D4  
S1  
APPLICATIONS  
IN1  
Audio and Video Switching  
Automatic Test Equipment  
Precision Data Acquisition  
Battery Powered Systems  
Sample Hold Systems  
Communication Systems  
D1  
S2  
IN2  
IN3  
IN4  
D2  
S3  
ADG433  
D3  
S4  
D4  
GENERAL DESCRIPTION  
SWITCHES SHOWN FOR A LOGIC "1" INPUT  
The ADG431, ADG432 and ADG433 are monolithic CMOS  
devices comprising four independently selectable switches. They  
are designed on an enhanced LC2MOS process which provides  
low power dissipation yet gives high switching speed and low on  
resistance.  
PRODUCT HIGHLIGHTS  
1. Extended Signal Range  
The ADG431, ADG432 and ADG433 are fabricated on an  
enhanced LC2MOS process giving an increased signal range  
which extends fully to the supply rails.  
The on resistance profile is very flat over the full analog input  
range ensuring excellent linearity and low distortion when  
switching audio signals. Fast switching speed coupled with high  
signal bandwidth also make the parts suitable for video signal  
switching. CMOS construction ensures ultralow power dissipa-  
tion making the parts ideally suited for portable and battery  
powered instruments.  
2. Ultralow Power Dissipation  
3. Low RON  
4. Break-Before-Make Switching  
This prevents channel shorting when the switches are config-  
ured as a multiplexer.  
The ADG431, ADG432 and ADG433 contain four indepen-  
dent SPST switches. The ADG431 and ADG432 differ only in  
that the digital control logic is inverted. The ADG431 switches  
are turned on with a logic low on the appropriate control input,  
while a logic high is required for the ADG432. The ADG433  
has two switches with digital control logic similar to that of the  
ADG431 while the logic is inverted on the other two switches.  
5. Single Supply Operation  
For applications where the analog signal is unipolar, the  
ADG431, ADG432 and ADG433 can be operated from a  
single rail power supply. The parts are fully specified with a  
single +12 V power supply and will remain functional with  
single supplies as low as +5 V.  
Each switch conducts equally well in both directions when ON  
and has an input signal range which extends to the supplies. In  
the OFF condition, signal levels up to the supplies are blocked.  
All switches exhibit break before make switching action for use  
in multiplexer applications. Inherent in the design is low charge  
injection for minimum transients when switching the digital inputs.  
REV. B  
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  
which may result from its use. No license is granted by implication or  
otherwise under any patent or patent rights of Analog Devices.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781/329-4700  
Fax: 781/326-8703  
World Wide Web Site: http://www.analog.com  
© Analog Devices, Inc., 1998  

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