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AS3718

0.6Ω 2.0-channel SPDT Analog Switches With Negative Swing Capability

General Description
   
     The AS3718 is a bidirectional, 2-channel singlepole double-throw (SPDT) analog switch designed tooperate from 1.8V to 5.5V. The device featuresnegative signal swing capability that allows signalsbelow ground to pass through the switch withoutdistortion.Targetedapplication includebatterypowered equlpmentthat benefit from the lowon-resistance and fast switching speeds. Low ON-stateON-statereslstance,excellent channelto-channelreslstancematching, and minimal total harmonicdistortion (HD) performance are ideal for audioapplications. The break-before-make feature preventssignal distortion during the transferring of a signal fromone path to another.
    The AS3718 is a committed dual single-pole double-throw (SPDT) that consist of two normally open(NO) and two normally close (NC) switches. Thisconfiguration can be used as a dual 2-to-1 multiplexer.The device can pass -2V ground referenced signal withvery low distortion.The select input  is IIL-level compatible.
    The AS3718 features wery low qulescent currenteven when the control woltage is lower than the VCCsupply.The feature suits portablelhandset applicationby allowing direct interface with baseband processorgeneralpurpose l/Os withminimumbatteryconsumption.
    The AS3718 is offered in Green QFN1418-10Lpackage and is specified over an amblent temperaturerange of -40C to 85C

Features

●  Specified Break-Before-Make Switching
●  Negative Signaling Capability: Maximum Swing from -2.75V to 2.75V (VCC=2.75V)
●  Low On- Resistance (0.6Ω Typical) at 3.6V
●  Low Charge Injection
●  Excellent On-State Resistance Matching
●  Wide VCC Range: 1.8V to 5.5V
●  -2V Low Distortion Negative Signal Passing
●  Fast Switching Times
●  Rail to Rail Input and Output Operation
●  1.8V Logic Compatible Control Pin
●  Break-Before-Make Switching
●  High Off-Isolation: -70dB at 100KHz
●  Low Crosstalk: -70dB at 100KHz
●  -3db Bandwidth: 75MHz
●  THD for 2VP-P at 32Ω: 0.034%(VCC=3.6V)
●  RoHS and Green Compliant

●  QFN1418-10L Packages
●  -40℃ to +85 ℃ Temperature Range

Applications

●  Cell Phones
●  PDAs, Digital Camera, Notebook
●  Portable Instrumentation/Media Players
●  Battery Operated Equipment
●  LCD Monitor, TV, and Set-Top Box
●  Audio Routing
●  Medical Imaging
●  Audio and Video Signal Routing
●  Smart Speaker, Sound Box

相关产品

AS3717     2.6Ω 2.0-channel SPDT Analog Switches With Negative Swing Capability

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