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产品 预告(展)
TPA3200D1
SLOS442–MAY2005
TerminalFunctions
终端
i/odescription
非.名字
1BCKIBitclockinputforaudiodata
3DATAIAudiodatainput
4LRCKILeftandrightchannelaudiodatalatchenableinput
selectleft-channelorright-channeldata
7lr_selihigh:leftchannelactive
低:rightchannelactive
11gain0igainselectleastsignificantbit.ttllogiclevelswithcomplianceto5v.
12gain1igainselectmostsignificantbit.ttllogiclevelswithcomplianceto5v.
shutdownsignalforic(低=关闭,高=运算的).
13SHUTDOWNI
ttllogiclevelswithcomplianceto18v.
5,9,37,38,40dgnd-digitalground
6,8vdd-digitalpowersupply(4.5v–5.5v)
15vclamp-internallygeneratedvoltagesupplyforbootstrapcapacitor
17bsni/obootstrapi/o,negativehigh-sidefet
28bspi/obootstrapi/o,positivehigh-sidefet
2,16nc-nointernalconnection.
31rosci/oi/oforcurrentsettingresistorforrampgenerator
32cosci/oi/oforcharge/dischargingcurrentsontocapacitorforrampgeneratorcreation
33BYPASSOMidrailanalogreferencevoltage
34vrefoanalog5-vregulatedoutput.nottobeusedforpoweringexternalcircuitry.
35vcc-高-voltageanalogpowersupply(8vto18v).
19,20outnoclass-d1/2-h-bridgenegativeoutput
zeroflagoutput.
高:noinputpresent
39ZEROO
低:datapresentatinput
thiscanbeusedtoshutdownthedevicewhennodataispresentatinput.
de-emphasiscontrol.
41dempihigh:44.1khzde-emphasison
低:44.1khzde-emphasisoff
Softmutecontrol
42muteihigh:muteon
低:muteoff
Audiodataformatselect
43formatihigh:16-bitrightjustified
低:16-to24-位,i
2
Sformat
44SCLKISystemclockinput
18,27pvcc-powersupplyforh-桥(8vto18v)
25,26outpoclass-d1/2-h-bridgepositiveoutput
29,30agnd-analogground
14,21,22,23,24pgnd-powergroundforh-桥
10vcom-midraildigitalreferencevoltage
36flt2i/o
噪音-filterterminals;connectcapacitoracrosspins36and37
37flt1i/o
7
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