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ADG433ABRZ Datasheet(PDF) 1 Page - Analog Devices |
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ADG433ABRZ Datasheet(HTML) 1 Page - Analog Devices |
1 / 8 page FUNCTIONAL BLOCK DIAGRAMS IN1 IN2 IN3 IN4 S1 D1 S2 D2 S3 D3 S4 D4 ADG431 IN1 IN2 IN3 IN4 S1 D1 S2 D2 S3 D3 S4 D4 ADG432 IN1 IN2 IN3 IN4 S1 D1 S2 D2 S3 D3 S4 D4 ADG433 SWITCHES SHOWN FOR A LOGIC "1" INPUT REV. C 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. a LC2MOS Precision Quad SPST Switches ADG431/ADG432/ADG433 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 APPLICATIONS Audio and Video Switching Automatic Test Equipment Precision Data Acquisition Battery Powered Systems Sample Hold Systems Communication Systems GENERAL DESCRIPTION The ADG431, ADG432 and ADG433 are monolithic CMOS devices comprising four independently selectable switches. They are designed on an enhanced LC 2MOS process which provides low power dissipation yet gives high switching speed and low on resistance. 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. 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. 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. PRODUCT HIGHLIGHTS 1. Extended Signal Range The ADG431, ADG432 and ADG433 are fabricated on an enhanced LC 2MOS process giving an increased signal range which extends fully to the supply rails. 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. 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. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 World Wide Web Site: www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 2001 |
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