Datasheet

INPUTMULTIPLEXERREGISTER(0x20)
TAS5706A
TAS5706B
www.ti.com .............................................................................................................................................SLOS606D–MARCH2009–REVISEDSEPTEMBER2009
Thehexvalueforeachnibbleisthechannelnumber.Foreachinputmultiplexer,anyinputfromSDIN1,SDIN2
canbemappedtoanyinternalTAS5706Achannel.
Table19.InputMultiplexerRegister(0x20)
D31D30D29D28D27D26D25D24FUNCTION
00––––––Reserved=0x00
0DonotnegateCh6volumeinspeakermode
1NegateCh6volumeinspeakermode
(1)
0DonotnegateCh5volumeinspeakermode
1NegateCh5volumeinspeakermode
(1)
0DonotnegateCh4volumeinspeakermode
1NegateCh4volumeinspeakermode
(1)
0DonotnegateCh3volumeinspeakermode
1NegateCh3volumeinspeakermode
(1)
0DonotnegateCh2volumeinspeakermode
1NegateCh2volumeinspeakermode
(1)
0DonotnegateCh1volumeinspeakermode
1NegateCh1volumeinspeakermode
(1)
D23D22D21D20D19D18D17D16FUNCTION
0–––––––Channel-1ADmode
1–––––––Channel-1BDmode
(2)
–000––––SDIN1-Ltochannel1
(2)
–001––––SDIN1-Rtochannel1
–010––––SDIN2-Ltochannel1
–011––––SDIN2-Rtochannel1
–100––––Reserved
–101––––Reserved
–110––––Ground(0)tochannel1
–111––––Reserved
––––0–––Channel2ADmode
––––1–––Channel2BDmode
(2)
–––––000SDIN1-Ltochannel2
–––––001SDIN1-Rtochannel2
(2)
–––––010SDIN2-Ltochannel2
–––––011SDIN2-Rtochannel2
–––––100Reserved
–––––101Reserved
–––––110Ground(0)tochannel2
–––––111Reserved
(1)NegatechannelvolumeisusedinSingleEndedModetoavoidSupplyPumping.Whenvolumenegationisenabled,speakerhastobe
connectedinreverseorder:connectpostiveterminaltoGroundandnegativeterminaltotheOutput
(2)Defaultvaluesareinbold.
Copyright©2009,TexasInstrumentsIncorporatedSubmitDocumentationFeedback53
ProductFolderLink(s):TAS5706ATAS5706B
TAS5706A is Not Recommended for New Designs