Texas Instruments TAS5518 Stereo Amplifier User Manual


 
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2.4HeadphoneConnector(J700)
1
4
2 3
PCBConnector
(TopView)
2.5ControlInterface(J40)
HeadphoneConnector(J700)
Figure2-5.J700PinNumbers
Table2-6.J700PinDescription
PINNETNAME
DESCRIPTION
NO.ATSCHEMATICS
1OUT-RRightheadphoneoutput
2GNDGround
3Reserved
4OUT-LLeftheadphoneoutput
ThisinterfaceconnectstheTAS5518-5152K8EVMboardtoaTIinput-USBboard.
Table2-7.J40PinDescription
NETNAME
PINNO.DESCRIPTION
ATSCHEMATICS
1,3,11,17,
GNDGround
25,26,31,32
2,8,9,
13–16,18,Reserved
19,27–30
4RESET
Backenderror(orsoftreset).Providesreducedclickandpopreset,withoutresettingI
2
C
5BKND-ERR
volumeregistersettings.
6MUTERampvolumefromanysettingtonoiselesssoftmute.MutealsocanbeactivatedbyI
2
C.
7PDNPowerdown.TheTAS5518goestopower-downstatewhenactivated.
10SDAI
2
Cdataclock
12SCLI
2
Cbitclock
Shutdownreporting.ActivatedifoneormoreTAS5152hashighcurrentorhightemperature
20SD
(seeChapter3).
Shutdownreporting.ActivatedifoneormoreTAS5152hashighcurrentorhightemperature
21SD
Pin21connectedtopin20(seeChapter3).
Overtemperaturewarning.ActivatedifoneormoreTAS5152hasreachedtemperature
22OTW
warninglevel.
Overtemperaturewarning.ActivatedifoneormoreTAS5152hasreachedtemperature
23OTW
warninglevel.Pin23connectedtopin22.
Headphoneselect.HeadphoneactivewhenLOWandinactivewhenHIGH.Tousethispin,a
24HP-SEL
100-resistormustbeplacedforR50.
33,345V5-Vdcpowersupply(output)
SLEU074June2006SystemInterfaces15
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