87LEVEL DIAGRAM+20dB+10dB0dB-20dB-30dB-40dB-10dB+20dB+29dB-2.0dB+10dB0dB-20dB-30dB-40dB-10dBLINE IN-10dBFS-20dBFS-30dBFS-40dBFSA/D IN50mVrms(-26.5dBFS)AK5358B200mVrmsH/POUT277mVrms/33ΩLEVEL DIAGRAMFRONT ch-12dB0dBFS-10dBFS-20dBFS-30dBFS-40dBFS200mV+30dBSP OUT4.24Vrms/8ΩGAIN setting of MASTER VOL 00dB・SW:YES (DIGITAL) -2dB =-2.0dB・SW:YES (ANALOG) -2dB+ 6.5dB=+4.5dB・SW:NONE (DIGITAL) -2dB+12dB =10.0dB・SW:NONE (ANALOG) -2dB+12dB+6.5dB=16.5dB① ② ③①:Basic OFFSET of VOL=0dB (indication value)②:OFFSET of SW NON③:OFFSET of AD input-2+12=10.0dB-2+12+6.5=16.5dB-2+6.5=+4.5dBSW NO-32dBFS(DIG.IN)-38.5dBFS(A/D IN)-20dBFS(DIG.IN)-26.5dBFS(A/D IN)++LINE INH/POUT+ SPEAKEROUTANALOGATTR2A15218FPGAINADJ.AK4358VQD/A --+AK5358BA/DR2A15218 ATT:0dB at AUTOSETUPACM2 (DM-A409)Sensitivity:-38.8dBV/Pa = 11.48mV/Pa at 94dBSPL @Operation Voltage 5.0V (94 dBSPL is expected to -11.0dBFS)MIC IN11.48mVrmsAD IN=50mVSINGLE INPUT0dBFS=3Vpp=1.06VrmsAK4358VQDIFF.OUT0dBFS=5Vpp=1.77Vrms+1.07dB+1.07dBAZ4580 MAX.OUTPUT 7.78VrmsR2A15218 MAX.OUTPUT 3.8VrmsDOLBY LIMIT LEVEL (ALLch-3dBFS)FULL SCALE LEVEL=2VrmsMIC IN + PLDDSP