Datasheet
ELECTRICALCHARACTERISTICS
PCM2704, ,PCM2705
PCM2706,PCM2707
www.ti.com
.......................................................................................................................................................SLES081F–JUNE2003–REVISEDJANUARY2009
allspecificationsatT
A
=25°C,V
BUS
=5V,f
S
=44.1kHz,f
IN
=1kHz,16-bitdata(unlessotherwisenoted)
PCM2704DB,PCM2705DB,
PCM2706PJT,PCM2707PJT
PARAMETERTESTCONDITIONSUNIT
MINTYPMAX
DIGITALINPUT/OUTPUT
HostinterfaceApplyUSBrevision1.1,full-speed
AudiodataformatUSBisochronousdataformat
INPUTLOGIC
V
IH
23.3
V
IL
–0.30.8
InputlogiclevelVdc
V
IH
(1)
25.5
V
IL
(1)
–0.30.8
I
IH
(2)
V
IN
=3.3V±10
I
IL
(2)
V
IN
=0V±10
InputlogiccurrentµA
I
IH
V
IN
=3.3V65100
I
IL
V
IN
=0V±10
OUTPUTLOGIC
V
OH
(3)
I
OH
=–2mA2.8
V
OL
(3)
I
OL
=2mA0.3
OutputlogiclevelVdc
V
OH
I
OH
=–2mA2.4
V
OL
I
OL
=2mA0.4
CLOCKFREQUENCY
Inputclockfrequency,XTI11.9941212.006MHz
f
s
Samplingfrequency32,44.1,48kHz
DACCHARACTERISTICS
Resolution16Bits
Audiodatachannel1,2Channel
DCACCURACY
Gainmismatch,channel-to-channel±2±8%ofFSR
Gainerror±2±8%ofFSR
Bipolarzeroerror±3±6%ofFSR
DYNAMICPERFORMANCE
(4)
R
L
>10kΩ,self-powered,
0.006%0.01%
V
OUT
=0dB
Line
(5)
TotalharmonicR
L
>10kΩ,bus-powered,
THD+N0.012%0.02%
distortion+noiseV
OUT
=0dB
R
L
=32Ω,self-/
Headphone0.025%
bus-powered,V
OUT
=0dB
THD+NTotalharmonicdistortion+noiseV
OUT
=–60dB2%
DynamicrangeEIAJ,A-weighted9098dB
S/NSignal-to-noiseratioEIAJ,A-weighted9098dB
Channelseparation6070dB
(1)HOST
(2)D+,D–,HOST,TEST,TEST0,TEST1,DT,PSEL,FSEL,XTI
(3)FUNC0,FUNC1,FUNC2
(4)f
IN
=1kHz,usingtheSystemTwo™CascadeaudiomeasurementsystembyAudioPrecision™intheRMSmodewitha20-kHzLPF
and400-HzHPF.
(5)THD+Nperformancevariesslightly,dependingontheeffectiveoutputload,includingdummyloadR7,R8inFigure32.
Copyright©2003–2009,TexasInstrumentsIncorporatedSubmitDocumentationFeedback3
ProductFolderLink(s):PCM2704PCM2705PCM2706PCM2707
PCM2704 and PCM2705
Not Recommended For New Designs