• intloko_ibhena

Imodyuli ye-PDM Interface esetyenziswa kuvavanyo lwe-audio yeemakrofoni ze-MEMS zedijithali

Yandisa igalelo lohlalutyi lomsindo / izibuko lophawu lwemveliso

 

 

I-Pulse modulation PDM inokudlulisa izibonakaliso ngokumodareyitha ukuxinana kwee-pulses, kwaye isoloko isetyenziselwa uvavanyo lwe-audio lwee-microphone ze-MEMS zedijithali.

Imodyuli yePDM yimodyuli yokuzikhethela ye-audio analyzer, esetyenziselwa ukwandisa i-interface yokuvavanya kunye nemisebenzi ye-audio analyzer.


uMsebenzi oPhambili

Iithegi zeMveliso

iiparamitha zokusebenza

ukusebenza
SNR < 129 dB (20 kHz BW, akukho maza)
Iyonke iHarmonic Distortion Plus Noise < -130 dB (20 kHz BW, akukho maza)
Uluhlu olunamandla <137db(AES 17,CCIR-RMS)
ukuba tyaba ±0.002dB (20Hz ~ 20kHz, 32x )±0.001dB (20Hz ~ 20kHz, 64x, 128x, 256x, 512x)
umlinganiselo 4x, 32x, 64x, 128x, 256x, 512x
Ulungelelwaniso lweSigaba phakathi kwamaShaneli Onke amajelo athathwa njengesampulu ngokulandelelana ukusuka kwiwotshi eqhelekileyo enesigaba esifanayo
uhlobo lomqondiso Sine wave, kabini-frequency sine wave, ngaphandle kwesigaba sine wave, isikweri sophawu lwamaza, umqondiso wokutshayela rhoqo, umqondiso wengxolo, ifayile ye WAVE
Uluhlu lwamaza omqondiso 0.1Hz ~ 21kHz
ujongano
Uluhlu lwemilinganiselo yesampuli 4 kHz ∽216 kHz
uluhlu lwewotshi encinci 128 kHz ∽ 24.576 MHz
ireyithi yesampuli 32, 64, 128, 256
imowudi yomphetho Isitishi esinye phezulu;umjelo kabini phantsi
Imveliso yeVdd yombane 0.0 ∽ 3.6 V, Ubuninzi be-15 mA
Ukuchaneka komlinganiselo wombane 0.001dB
ujongano lwenqanaba lengqiqo 0.8 V ∽ 3.3 V

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