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ADG452 Arkusz danych(PDF) 1 Page - Analog Devices |
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ADG452 Arkusz danych(HTML) 1 Page - Analog Devices |
1 / 12 page FUNCTIONAL BLOCK DIAGRAMS IN1 IN2 IN3 IN4 S1 D1 S2 D2 S3 D3 S4 D4 ADG451 IN1 IN2 IN3 IN4 IN1 S1 D1 S2 D2 S3 D3 S4 D4 ADG452 IN2 IN3 IN4 S1 D1 S2 D2 S3 D3 S4 D4 ADG453 SWITCHES SHOWN FOR A LOGIC "1" INPUT REV. A 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 5 RON SPST Switches ADG451/ADG452/ADG453 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 FEATURES Low On Resistance (4 ) On Resistance Flatness 0.2 44 V Supply Maximum Ratings 15 V Analog Signal Range Fully Specified @ 5 V, +12 V, 15 V Ultralow Power Dissipation (18 W) ESD 2 kV Continuous Current 100 mA Fast Switching Times tON 70 ns t OFF 60 ns TTL/CMOS Compatible Pin Compatible Upgrade for ADG411/ADG412/ADG413 and ADG431/ADG432/ADG433 APPLICATIONS Relay Replacement Audio and Video Switching Automatic Test Equipment Precision Data Acquisition Battery Powered Systems Sample Hold Systems Communication Systems PBX, PABX Systems Avionics The ADG453 exhibits 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. Low RON (5 Ω max) 2. Ultralow Power Dissipation 3. Extended Signal Range The ADG451, ADG452 and ADG453 are fabricated on an enhanced LC2MOS process giving an increased signal range that fully extends to the supply rails. 4. Break-Before-Make Switching This prevents channel shorting when the switches are configured as a multiplexer. (ADG453 only.) 5. Single Supply Operation For applications where the analog signal is unipolar, the ADG451, ADG452 and ADG453 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 +5.0 V. 6. Dual Supply Operation For applications where the analog signal is bipolar, the ADG451, ADG452 and ADG453 can be operated from a dual power supply ranging from ±4.5 V to ±20 V. GENERAL DESCRIPTION The ADG451, ADG452 and ADG453 are monolithic CMOS devices comprising four independently selectable switches. They are designed on an enhanced LC2MOS process that 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 ADG451, ADG452 and ADG453 contain four indepen- dent single-pole/single-throw (SPST) switches. The ADG451 and ADG452 differ only in that the digital control logic is in- verted. The ADG451 switches are turned on with a logic low on the appropriate control input, while a logic high is required for the ADG452. The ADG453 has two switches with digital con- trol logic similar to that of the ADG451 while the logic is in- verted 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. |
Podobny numer części - ADG452 |
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Podobny opis - ADG452 |
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