Texas Instruments DEM-DAI3793A Stereo Receiver User Manual


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5.5.1FilterConsiderationforSpeakerOutput
SPOLP/
SPORP
SPOLN/
SPORN
B
1
B
2
C
15
C
16
HDTI
V
CC
+
+
HPOL
HPOR
PGND
HPCOM
HP Jack
HDTI
HPOL
HPOR
PGND
HPCOM
HP Jack
ConventionalMode CaplessMode
V
CC
ConnectionDiagramforPracticalApplications
Forapracticalapplicationsuchasaportableaudioplayerorcellularphone,aferritechipbeadwillbea
suitablelow-passfiltertothespeakeroutput;seeFigure5-16.Figure5-17describesrecommended
connectionsforheadphoneoutputandinsertiondetection.
Refertotheproductdatasheetforfurtherinformationonthisapplicationcircuit.C
15
andC
16
=1nF,B
1
andB
2
Ferrite
ChipBead:NEC/Tokin:N2012ZPS121.
Figure5-16.RecommendedFerriteBeadFilterforSpeakerOutput
Figure5-17.ConnectionforHeadphoneOutputandInsertionDetection
62EvaluationandMeasurementsSBAU127–July2007
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