www.德州仪器.com
PCM1609A
SLES145–AUGUST2005
electricalcharacteristics(持续)
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
ANALOGOUTPUT
outputvoltagefullscale(–0db)0.62v
CC
vp-p
centervoltage0.5v
CC
Vdc
LoadimpedanceACload5k
Ω
DIGITALFILTERPERFORMANCE
groupdelaytime20/f
S
de-emphasiserror
±
0.1db
filtercharacteristics1,sharprolloff
Passband
±
0.03db0.454f
S
passband–3db0.487f
S
stopband0.546f
S
通过-bandripple
±
0.03db
停止-bandattenuationstopband=0.546f
S
–50dB
停止-bandattenuationstopband=0.567f
S
–55dB
filtercharacteristics2,slowrolloff
Passband
±
0.5db0.198f
S
passband–3db0.39f
S
stopband0.884f
S
通过-bandripple
±
0.5db
停止-bandattenuationstopband=0.884f
S
–40dB
ANALOGFILTERPERFORMANCE
f=20khz–0.03
FrequencyresponsedB
f=44khz–0.2
电源-supplyrequirements
(5)
V
DD
33.33.6
VoltagerangeVdc
V
CC
4.555.5
f
S
=44.1khz1825
I
DD
(6)
f
S
=96kHz40
f
S
=192kHz40
SupplycurrentmA
f
S
=44.1khz3346
I
CC
f
S
=96kHz36
f
S
=192kHz36
f
S
=44.1khz224313
Powerdissipationf
S
=96kHz312mW
f
S
=192kHz312
TEMPERATURERANGE
T
一个
Operationtemperature–2585
°
C
θ
JA
Thermalresistance100
°
c/w
(5)conditionsin192-khzoperationare:systemclock=128f
S
andoversamplingrate=64f
S
inregister12.
(6)sckoisdisabled.
4
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