在音频应用中使用的DS1808

摘要：DS1808双记录音频电位器设计要求低THD和串扰水平的应用提供卓越的音频性能。利用±12V电源。它提供24V的信号摆幅能力泄漏到峰值。它简化了设计，允许被引用到地面的电位偏低。

ApplicationNote160UsingtheDS1808inAudioApplicationswww.maxim-ic.comIntroductionTheDS1808DualLogAudioPotentiometerwasdesignedtoprovidesuperioraudioperformanceinapplicationsthatrequirelowlevelsofTHDandcross-talk.Byutilizinga±12Vsupply,itoffers24Vppofsignalswingcapability,anditsimplifiesyourdesignbyallowingthelowsideofthepotentiometertobereferencedtoground.TheDS1808features33positionsthatprovideattenuationfrom0dBto60dB,andamutefunctionthatprovides90dBofattenuation.Itiscontrolledbya2-wireinterface,whichcanaddressuptoeightDS1808sonasingle2-wirebus.Itisavailable