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ADG452BRUZ-REEL71 Datasheet(PDF) 1 Page - Analog Devices |
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ADG452BRUZ-REEL71 Datasheet(HTML) 1 Page - Analog Devices |
1 / 16 page LC2MOS 5 Ω RON SPST Switches ADG451/ADG452/ADG453 Rev. C Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2006 Analog Devices, Inc. All rights reserved. FEATURES Low on resistance (4 Ω) On resistance flatness (0.2 Ω) 44 V supply maximum ratings ±15 V analog signal range Fully specified at ±5 V, 12 V, ±15 V Ultralow power dissipation (18 μW) ESD 2 kV Continuous current (100 mA) Fast switching times tON 70 ns tOFF 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-and-hold systems Communication systems PBX, PABX systems Avionics GENERAL DESCRIPTION The ADG451/ADG452/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, makes 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/ADG453 contain four independent, single-pole/single-throw (SPST) switches. The ADG451 and ADG452 differ only in that the digital control logic is inverted. The ADG451 switches are turned on with a logic low on the appropriate control input, while a logic high is required for the ADG452. FUNCTIONAL BLOCK DIAGRAMS IN1 S1 D1 IN2 S2 D2 IN3 S3 D3 IN4 S4 D4 ADG451 SWITCHES SHOWN FOR A LOGIC 1 INPUT. Figure 1. ADG451 IN1 S1 D1 IN2 S2 D2 IN3 S3 D3 IN4 S4 D4 ADG452 SWITCHES SHOWN FOR A LOGIC 1 INPUT. Figure 2. ADG452 IN1 S1 D1 IN2 S2 D2 IN3 S3 D3 IN4 S4 D4 ADG453 SWITCHES SHOWN FOR A LOGIC 1 INPUT. Figure 3. ADG453 The ADG453 has two switches with digital control logic similar to that of the ADG451, while the logic is inverted on the other two switches. Each switch conducts equally well in both directions when on, and each has an input signal range that extends to the supplies. In the off condition, signal levels up to the supplies are blocked. 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. |
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