Datasheet

LOUDNESSBIQUADGAININVERSEREGISTER(0x26)
LOUDNESSSCALEREGISTER(0x28)
DRCCONTROL(0x46)
BANKSWITCHANDHEADPHONEDRC/EQCONTROL(0x50)
TAS5706A
TAS5706B
www.ti.com .............................................................................................................................................SLOS606D–MARCH2009–REVISEDSEPTEMBER2009
BitD6ofthevolumeconfigurationregister(0x0E)enables/disablesgaincompensationforBQ1.D6=0disables
gaincompensation(default);D6=1enablesgaincompensation.Max/minbiquadgain=±4.
Table25.LoudnessBiquadGainInverseRegister(3.23Format)
CONTENTDEFINITION
u[31:26],x[25:0]1/G
(1)
(1)G=gainofthebiquad
Table26.LoudnessScaleRegister(3.23Format)
CONTENTDEFINITION
u[31:26],x[25:0]Scale=1/(1–1/G)
(1)
(1)G=gainofthebiquad
D7D6D5D4D3D2D1D0FUNCTION
–––––––0DRC1(satellitechannels)turnedOFF
(1)
–––––––1DRC1(satellitechannels)turnedON
––––––0–DRC2(subchannel)turnedOFF
(1)
––––––1–DRC2(subchannel)turnedON
–––––0––DRC1independentofchannel3
(1)
–––––1––DRC1dependentofchannel3
––––0–––DRC1independentofchannel4
(1)
––––1–––DRC1dependentofchannel4
(1)Defaultvaluesareinbold.
Table27.BankSwitchingCommand
D7D6D5D4D3D2D1D0FUNCTION
–––––000Nobankswitching.AllupdatestoDAP
(1)
–––––001Configurebank1(32kHz)
–––––010Configurebank2(44.1/48kHz)
–––––011Configurebank3(88.2/96kHzandabove)
–––––100Automaticbankselection
––000–––Reserved
–0––––––DRCdisabledinheadphonemode
(1)
–1––––––DRCenabledinheadphonemode
0–––––––EQdisabledinheadphonemode
(1)
1–––––––EQenabledinheadphonemode
(1)Defaultvaluesareinbold.
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TAS5706A is Not Recommended for New Designs