www.德州仪器.com
ELECTRICALCHARACTERISTICS
PCM1609A
SLES145–AUGUST2005
AllspecificationsatT
一个
=25
°
c,v
CC
=5v,v
DD
=3.3v,systemclock=384f
S
(f
S
=44.1khz),and24-bitdata,除非
otherwisenoted
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
决议
24Bits
DATAFORMAT
audiodatainterfaceformatsstandard,i
2
s,left-justified
audiodatabitlength16-,18-,20-,24-位,可选择的
audiodataformatmsb-第一,binary2scomplement
f
S
Samplingfrequency5200kHz
128f
S
,192f
S
,256f
S
,
Systemclockfrequency
384f
S
,512f
S
,768f
S
digitalinput/输出
logicfamilyttl-兼容
V
IH
2
InputlogiclevelVdc
V
IL
0.8
I
IH
(1)
V
在
=V
DD
10
I
IL
(1)
V
在
=0V–10
Inputlogiccurrent
µ
一个
I
IH
(2)
V
在
=V
DD
65100
I
IL
(2)
V
在
=0V–10
V
OH
I
OH
=–4ma2.4
OutputlogiclevelVdc
V
OL
I
OL
=4mA1
DYNAMICPERFORMANCE
(3)(4)
V
输出
=0db,f
S
=44.1khz0.002%0.008%
V
输出
=0db,f
S
=96khz0.004%
V
输出
=0db,f
S
=192khz0.005%
THD+NTotalharmonicdistortion+noise
V
输出
=–60db,f
S
=44.1khz0.7%
V
输出
=–60db,f
S
=96khz0.9%
V
输出
=–60db,f
S
=192kHz1%
eiaj,一个-weighted,f
S
=44.1khz98105
dynamicrangea-weighted,f
S
=96kHz103dB
一个-weighted,f
S
=192kHz102
eiaj,一个-weighted,f
S
=44.1khz98105
snrsignal-至-noiseratioa-weighted,f
S
=96kHz103dB
一个-weighted,f
S
=192kHz102
f
S
=44.1khz94103
Channelseparationf
S
=96kHz101dB
f
S
=192kHz100
LevellinearityerrorV
输出
=–90dB
±
0.5db
DCACCURACY
Gainerror
±
1
±
6%ofFSR
gainmismatch,频道-至-频道
±
1
±
3%ofFSR
BipolarzeroerrorV
输出
=0.5v
CC
atbipolarzero
±
30
±
60mV
(1)pins31,38,40,41,45–47(data4,scki,bck,lrck,data1,data2,data3)
(2)pins34–37(mdi,mc,ml,rst)
(3)analogperformancespecificationsaretestedusingasystemtwo™cascadeaudiomeasurementsystembyaudioprecision™with
400-hzhpfon,30-khzlpfon,averagemodewith20-khzbandwidthlimiting.theloadconnectedtotheanalogoutputis5k
Ω
或者
大,viacapacitiveloading.
(4)conditionsin192-khzoperationare:systemclock=128f
S
andoversamplingrate=64f
S
inregister12.
3
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