Datasheet

TAS5706A
TAS5706B
www.ti.com .............................................................................................................................................SLOS606D–MARCH2009–REVISEDSEPTEMBER2009
Table30.INPUTMULTIPLEXERREGISTER(0x20)=0201667A
D31D30D29D28D27D26D25D24FUNCTION
D25='1'negatestheaudioinchannel-2(RightChannel).Thisistoreduce
supplypumpingwhenLeftandRightchannelsareSEmode.RIghtchannel
00000010
speakershouldbeconnectedinreverseorder:Positivespeakerterminalto
groundandnegativeterminaltoaudiooutput(OUT_B)
(1)
D23D22D21D20D19D18D17D16
0–––––––Channel-1ADmode
–000––––SDIN1-Ltochannel1
––––0–––Channel2ADmode
–––––001SDIN1-Rtochannel2
D15D14D13D12D11D10D9D8FUNCTION
0–––––––Reserved
110––––Ground(0)tochannel3
–––0–––Reserved
–––––110Ground(0)tochannel4
D7D6D5D4D3D2D1D0FUNCTION
0–––––––Reserved
–111––––Ch6(BTL–)tochannel5—BTLpairtochannel6
––––1–––Channel6BDmode
–––––010SDIN2-Ltochannel6
(1)Bits[D29:D24]canbeusedtonegateaudiovolumeforchannels[6:1]respectivelyandbitsaredefinedas'0'meansNOVolume
Negationand'1'meansVolumeNegation.
PWMOutputMuxRegister
Thetablebelowshowsasettingslikethat.
In2.1Mode,PWMchannel1shouldbemuxedtoOut_A,channel2toOut_B,andchannel4toOut_Cand
channel5toOut_DwhereOut_AandOut_BforSEchannelsandOUT_CandOUT_DaretheBTLpairs.
Table31.OUTPUTMULTIPLEXERREGISTER(0x25)=01015423
D31D30D29D28D27D26D25D24FUNCTION
0000–––Multiplexchannel1toHPL_PWM
––––0001Multiplexchannel2toHPR_PWM
D23D22D21D20D19D18D17D16Reserved=0x00
0000––––Multiplexchannel1toOUT_A
(1)
––––0001Multiplexchannel2toOUT_B
(1)
D15D14D13D12D11D10D9D8FUNCTION
0101––––Multiplexchannel6toOUT_C
(1)
––––0100Multiplexchannel5toOUT_D
(1)
D7D6D5D4D3D2D1D0FUNCTION
0010––––Multiplexchannel3(ground)toSUB_PWM–
––––0011Multiplexchannel4(ground)toSUB_PWM+
(1)Settingsrequiredin2.1Mode
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TAS5706A is Not Recommended for New Designs