www.德州仪器.com
PCM1680
SLES133–MARCH2005
electricalcharacteristics(持续)
allspecificationsatT
一个
=25
°
c,v
CC
=V
DD
=5v,f
S
=48khz,systemclock=512f
S
,and24-bitdata,unlessotherwisenoted
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
digitalinput/输出
LogicfamilyTTLcompatible
V
IH
2
InputlogiclevelVdc
V
IL
0.8
I
IH
(1)
V
在
=V
CC
10
I
IL
(1)
V
在
=0V–10
Inputlogiccurrent
µ
一个
I
IH
(2)
V
在
=V
CC
65100
I
IL
(2)
V
在
=0V–10
V
OH
(3)
I
OH
=–1ma2.4
OutputlogiclevelVdc
V
OL
(4)
I
OL
=1ma0.4
DYNAMICPERFORMANCE
(5)
V
输出
=0db,f
S
=48khz0.002%0.008%
V
输出
=0db,f
S
=96khz,系统
0.003%
THD+NTotalharmonicdistortion+noiseclock=256f
S
V
输出
=0db,f
S
=192khz,系统
0.004%
clock=128f
S
eiaj,一个-weighted,f
S
=48kHz100105
一个-weighted,f
S
=96khz,系统
103
Dynamicrangeclock=256f
S
dB
一个-weighted,f
S
=192khz,系统
102
clock=128f
S
eiaj,一个-weighted,f
S
=48kHz100105
一个-weighted,f
S
=96khz,系统
103
snrsignal-至-noiseratioclock=256f
S
dB
一个-weighted,f
S
=192khz,系统
102
clock=128f
S
f
S
=48kHz94103
Channelseparationf
S
=96khz,systemclock=256f
S
101dB
f
S
=192khz,systemclock=128f
S
100
DCACCURACY
Gainerror
±
1
±
6%ofFSR
gainmismatch,频道-至-频道
±
1
±
6%ofFSR
BipolarzeroerrorV
输出
=0.49v
CC
atBPZinput
±
30
±
80mV
ANALOGOUTPUT
outputvoltagefullscale(–0db)0.78v
CC
vp-p
bipolarzerovoltage0.49v
CC
Vdc
loadimpedanceac-coupledload5k
Ω
DIGITALFILTERPERFORMANCE
filtercharacteristics(sharprolloff)
Passband
±
0.04db0.454f
S
stopband0.546f
S
通过-bandripple
±
0.04db
停止-bandattenuationstopband=0.546f
S
–50dB
(1)pins5,6,7,8,11,12,13:sck,data1,bck,lrck,data2,data3,data4
(2)pins2,3,4,14:ms/adr,mc/scl,md/sda,msel
(3)pins1,28:zero1,zero2
(4)pins1,4,28:zero1,md/sda,zero2
(5)analogperformancecharacteristicsaremeasuredusingthesystemtwo™cascadeaudiomeasurementsystembyaudioprecision™.
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