TLV320AIC32IRHB_集成电路资料查询网

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ELECTRICALCHARACTERISTICS
TLV320AIC32
SLAS479A–AUGUST2005–REVISEDSEPTEMBER2005
At25
°
c,avdd,drvdd,iovdd=3.3v,dvdd=1.8v,fs=48-khz,16-bitaudiodata(unlessotherwisenoted)
PARAMETERTESTCONDITIONSMINTYPMAXUNIT
AUDIOADC
inputsignallevel(0-db)单独的-endedinput0.707v
RMS
信号-至-noiseratio,fs=48khz,0dbpgagain,mic1/line1inputs
8092dB
一个-weighted
(1)(2)
selectedandac-shortedtoground
fs=48khz,1-khz–60dbfull-scaleinputappliedat
dynamicrange,一个-weighted
(1)(2)
92dB
mic1/line1inputs,0-dbpgagain
–90–75dB
fs=48khz,1-khz–2dbfull-scaleinputappliedat
THDTotalharmonicdistortion
mic1/line1inputs,0-dbpgagain
0.003%0.017%
powersupplyrejectionratio234hz,100mvpponavdd,drvdd46db
1khz,–2dbmic3ltomic3r–80
adcchannelseparation1khz,–2dbmic2ltomic2r–99db
1khz,–2dbmic1ltomic1r–-73
adcgainerror1khzinput,0dbpgagain0.7db
ADCprogrammablegain
1-khzinputtone,r
源
<50
Ω
59.5db
amplifiermaximumgain
ADCprogrammablegain
0.5db
amplifierstepsize
mic1/line1inputs,routedtosingleadc
20
Inputmixattenuation=0dB
mic2/line2inputs,inputmixattenuation=0db20
mic3/line3inputs,inputmixattenuation=0db20
mic1/line1inputs,
Inputresistancek
Ω
80
inputmixattenuation=–12dB
mic2/line2inputs,
80
inputmixattenuation=–12dB
mic3/line3inputs,
80
inputmixattenuation=–12dB
inputcapacitancemic1/line1inputs10pf
Inputlevelcontrolminimum
0dB
attenuationsetting
Inputlevelcontrolmaximum
12dB
attenuationsetting
Inputlevelcontrolattenuation
1.5db
stepsize
adcdigitaldecimationfilter,fs=48khz
filtergainfrom0to0.39fs
±
0.1db
filtergainat0.4125fs–0.25db
filtergainat0.45fs–3db
filtergainat0.5fs–17.5db
filtergainfrom0.55fsto64fs–75db
filtergroupdelay17/fssec
MICROPHONEBIAS
2.0
2.252.52.75
biasvoltageprogrammablesettings,加载=750
Ω
V
avdd-
0.2
(1)ratioofoutputlevelwith1-khzfull-scalesinewaveinput,totheoutputlevelwiththeinputsshortcircuited,measureda-weightedovera
20-hzto20-khzbandwidthusinganaudioanalyzer.
(2)allperformancemeasurementsdonewith20-khzlow-passfilterand,wherenoted,一个-weightedfilter.failuretousesuchafiltermay
resultinhigherthd+nandlowersnranddynamicrangereadingsthanshownintheelectricalcharacteristics.thelow-passfilter
removesout-的-bandnoise,这个,althoughnotaudible,mayaffectdynamicspecificationvalues.
5

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www.德州仪器.com ELECTRICALCHARACTERISTICS TLV320AIC32 SLAS479A–AUGUST2005–REVISEDSEPTEMBER2005 At25 ° c,avdd,drvdd,iovdd=3.3v,dvdd=1.8v,fs=48-khz,16-bitaudiodata(unlessotherwisenoted) PARAMETERTESTCONDITIONSMINTYPMAXUNIT AUDIOADC inputsignallevel(0-db)单独的-endedinput0.707v RMS 信号-至-noiseratio,fs=48khz,0dbpgagain,mic1/line1inputs 8092dB 一个-weighted (1)(2) selectedandac-shortedtoground fs=48khz,1-khz–60dbfull-scaleinputappliedat dynamicrange,一个-weighted (1)(2) 92dB mic1/line1inputs,0-dbpgagain –90–75dB fs=48khz,1-khz–2dbfull-scaleinputappliedat THDTotalharmonicdistortion mic1/line1inputs,0-dbpgagain 0.003%0.017% powersupplyrejectionratio234hz,100mvpponavdd,drvdd46db 1khz,–2dbmic3ltomic3r–80 adcchannelseparation1khz,–2dbmic2ltomic2r–99db 1khz,–2dbmic1ltomic1r–-73 adcgainerror1khzinput,0dbpgagain0.7db ADCprogrammablegain 1-khzinputtone,r 源 <50 Ω 59.5db amplifiermaximumgain ADCprogrammablegain 0.5db amplifierstepsize mic1/line1inputs,routedtosingleadc 20 Inputmixattenuation=0dB mic2/line2inputs,inputmixattenuation=0db20 mic3/line3inputs,inputmixattenuation=0db20 mic1/line1inputs, Inputresistancek Ω 80 inputmixattenuation=–12dB mic2/line2inputs, 80 inputmixattenuation=–12dB mic3/line3inputs, 80 inputmixattenuation=–12dB inputcapacitancemic1/line1inputs10pf Inputlevelcontrolminimum 0dB attenuationsetting Inputlevelcontrolmaximum 12dB attenuationsetting Inputlevelcontrolattenuation 1.5db stepsize adcdigitaldecimationfilter,fs=48khz filtergainfrom0to0.39fs ± 0.1db filtergainat0.4125fs–0.25db filtergainat0.45fs–3db filtergainat0.5fs–17.5db filtergainfrom0.55fsto64fs–75db filtergroupdelay17/fssec MICROPHONEBIAS 2.0 2.252.52.75 biasvoltageprogrammablesettings,加载=750 Ω V avdd- 0.2 (1)ratioofoutputlevelwith1-khzfull-scalesinewaveinput,totheoutputlevelwiththeinputsshortcircuited,measureda-weightedovera 20-hzto20-khzbandwidthusinganaudioanalyzer. (2)allperformancemeasurementsdonewith20-khzlow-passfilterand,wherenoted,一个-weightedfilter.failuretousesuchafiltermay resultinhigherthd+nandlowersnranddynamicrangereadingsthanshownintheelectricalcharacteristics.thelow-passfilter removesout-的-bandnoise,这个,althoughnotaudible,mayaffectdynamicspecificationvalues. 5

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