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ADG661BRU bảng dữ liệu(PDF) 1 Page - Analog Devices |
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ADG661BRU bảng dữ liệu(HTML) 1 Page - Analog Devices |
1 / 8 page REV. 0 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 ADG661/ADG662/ADG663 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781/329-4700 World Wide Web Site: http://www.analog.com Fax: 781/326-8703 © Analog Devices, Inc., 1998 LC2MOS Precision 5 V Quad SPST Switches FUNCTIONAL BLOCK DIAGRAM FEATURES +5 V, 5 V Power Supplies Ultralow Power Dissipation (<0.5 W) Low Leakage (<100 pA) Low On Resistance (<50 ) Fast Switching Times Low Charge Injection TTL/CMOS Compatible TSSOP Package APPLICATIONS Battery Powered Instruments Single Supply Systems Remote Powered Equipment +5 V Supply Systems Computer Peripherals such as Disk Drives Precision Instrumentation Audio and Video Switching Automatic Test Equipment Precision Data Acquisition Sample Hold Systems Communication Systems Each switch conducts equally well in both directions when ON and has an input signal range that 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. +5 V Single Supply Operation The ADG661, ADG662 and ADG663 offer high perfor- mance, including low on resistance and wide signal range, fully specified and guaranteed with ±5 V and +5 V supply rails. 2. Ultralow Power Dissipation CMOS construction ensures ultralow power dissipation. 3. Low RON 4. Break-Before-Make Switching This prevents channel shorting when the switches are config- ured as a multiplexer. GENERAL DESCRIPTION The ADG661, ADG662 and ADG663 are monolithic CMOS devices comprising four independently selectable switches. These switches feature low, well-controlled on resistance and wide analog signal range, making them ideal for precision analog signal switching. They are fabricated using Analog Devices' advanced linear compatible CMOS (LC2MOS) process, which offers benefits of low leakage currents, ultralow power dissipation and low capaci- tance for fast switching speeds with minimum charge injection. 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 ADG661, ADG662 and ADG663 contain four indepen- dent SPST switches. The ADG661 and ADG662 differ only in that the digital control logic is inverted. The ADG661 switches are turned on with a logic low on the appropriate control input, while a logic high is required for the ADG662. The ADG663 has two switches with digital control logic similar to that of the ADG661, while the logic is inverted on the other two switches. IN1 IN2 IN3 IN4 S1 D1 S2 D2 S3 D3 S4 D4 ADG661 IN1 IN2 IN3 IN4 S1 D1 S2 D2 S3 D3 S4 D4 ADG662 IN1 IN2 IN3 IN4 S1 D1 S2 D2 S3 D3 S4 D4 ADG663 SWITCHES SHOWN FOR A LOGIC "1" INPUT |
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