Datasheet

TAS5706A
TAS5706B
www.ti.com .............................................................................................................................................SLOS606D–MARCH2009–REVISEDSEPTEMBER2009
PINFUNCTIONS(continued)
PIN
TYPE5-VTERMINATION
DESCRIPTION
(1)
TOLERANT
(2)
NAMENO.
BST_A59PHigh-sidebootstrapsupplyforhalf-bridgeA
BST_B61PHigh-sidebootstrapsupplyforhalf-bridgeB
BST_C53PHigh-sidebootstrapsupplyforhalf-bridgeC
BST_D55PHigh-sidebootstrapsupplyforhalf-bridgeD
BYPASS56ONominallyequaltoV
CC
/8.Internalreferencevoltageforanalogcells
15,
DVDDP3.3-Vdigitalpowersupply
33
20,
DVSSPDigitalground
26
HPL_PWM37DOHeadphoneleft-channelPWMoutput.
HPR_PWM38DOHeadphoneright-channelPWMoutput.
Headphoneselect,activehigh.WhenalogicHIGHisapplied,device
entersheadphonemodeandspeakersareHARDMUTED.Whena
HPSEL30DI5-V
logicLOWisapplied,deviceisinspeakermodeandheadphone
outputsbecomelineoutputsoraredisabled.
LRCLK22DI5-VInputserialaudiodataleft/rightclock(samplingrateclock)
MCLKistheclockmasterinput.Theinputfrequencyofthisclockcan
MCLK34DI5-V
rangefrom4.9MHzto49MHz.
Performsasoftmuteofoutputs,active-low.Alogiclowonthis
terminalsetstheoutputsequalto50%dutycycle.Alogichighonthis
MUTE21DI5-VPullupterminalallowsnormaloperation.Themutecontrolprovidesa
noiselessvolumeramptosilence.Releasingmuteprovidesa
noiselessramptopreviousvolume.
OSC_RES19AOOscillatortrimresistor.Connectan18.2-kΩresistortoGND.
OUT_A4,5OOutput,half-bridgeA
OUT_B1,64OOutput,half-bridgeB
49,
OUT_COOutput,half-bridgeC
50
45,
OUT_DOOutput,half-bridgeD
46
Powerdown,active-low.PDNpowersdownalllogic,stopsallclocks,
andoutputsstopsswitching.WhenPDNisreleased,thedevice
PDN 17DI5-VPullup
powersupalllogic,startsallclocks,andperformsasoftstartthat
returnstothepreviousconfigurationdeterminedbyregistersettings.
PGND_A6,7PPowergroundforhalf-bridgeA
PGND_B2,3PPowergroundforhalf-bridgeB
47,
PGND_CPPowergroundforhalf-bridgeC
48
43,
PGND_DPPowergroundforhalf-bridgeD
44
PLL_FLTM12AOPLLnegativeinput
PLL_FLTP13AIPLLpositiveinput
PVCC_A8,9PPowersupplyinputforhalf-bridgeoutputA
62,
PVCC_BPPowersupplyinputforhalf-bridgeoutputB
63
51,
PVCC_CPPowersupplyinputforhalf-bridgeoutputC
52
41,
PVCC_DPPowersupplyinputforhalf-bridgeoutputD
42
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TAS5706A is Not Recommended for New Designs