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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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WM8994ECS/R Datenblatt(PDF) 25 Page - Cirrus Logic |
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WM8994ECS/R Datenblatt(HTML) 25 Page - Cirrus Logic |
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25 / 363 page  WM8994 Rev 4.6 25 MULTI-PATH CROSSTALK Test Conditions AVDD1=3.0V (powered from LDO1), DCVDD=1.0V (powered from LDO2), AVDD2=DBVDD=LDO2VDD=CPVDD=1.8V, LDO1VDD=SPKVDD1=SPKVDD2=5V, DGND=AGND=CPGND=SPKGND1=SPKGND2=HP2GND=0V, TA = +25 oC, 1kHz sinusoidal signal, fs = 48kHz, PGA gain = 0dB, 24-bit audio data unless otherwise stated. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT G1 Headset Voice Call: DAC/Headset to Tx Voice Separation 1kHz 0dBFS DAC playback direct to HPOUT1L and HPOUT1R; Quiescent input on IN1LN/P or IN1RN/P (Gain=+12dB), differential line output; Measure crosstalk at differential line output - + +12dB IN1L or IN1R (Single-ended or differential mode) 0dB 0dB Quiescent input DACR 0dB DACL 0dB HPOUT1L HPOUT1R IN1LP or IN1RP IN1LN or IN1RN LINEOUT1N or LINEOUT2N LINEOUT1P or LINEOUT2P LINEOUT1NMIX or LINEOUT2NMIX HPOUT1LVOL HPOUT1RVOL LINEOUT1PMIX or LINEOUT2PMIX 85 dB G2 Speakerphone Voice Call: DAC/Speaker to Tx Voice Separation 1kHz 0dBFS DAC playback to speakers, 1W/chan output; Quiescent input on IN1LN/P or IN1RN/P (Gain=+12dB), differential line output; Measure crosstalk at differential line output - + +12dB IN1L or IN1R (Single-ended or differential mode) 0dB 0dB + SPKMIXL Quiescent input DACL RLOAD = 8Ohm 0dB LINEOUT1N or LINEOUT2N LINEOUT1P or LINEOUT2P SPKOUTLP SPKOUTLN IN1LP or IN1RP IN1LN or IN1RN 0dB SPKLVOL + SPKMIXR RLOAD = 8Ohm 0dB SPKOUTRP SPKOUTRN 0dB SPKRVOL DACR LINEOUT1NMIX or LINEOUT2NMIX LINEOUT1PMIX or LINEOUT2PMIX 100 dB G3 Earpiece PCM Voice Call: RXVOICE to Tx Voice Separation fs=8kHz for ADC and DAC, DAC_SB_FILT=1; -5dBFS, DAC output to HPOUT2P-HPOUT2N; Quiescent input on input PGA (Gain=+12dB) to ADC via MIXINL or MIXINR; Measure crosstalk at ADC output RLOAD = 32Ohm MIXOUTLVOL or MIXOUTRVOL 0dB 0dB DACL or DACR + MIXOUTL or MIXOUTR + - + +12dB MIXINL or MIXINR IN1L, IN2L, IN1R or IN2R ADCL or ADCR CROSSTALK Quiescent input IN1LN, IN2LN, IN1RN or IN2RN IN1LP, IN2LP, IN1RP or IN2RP HPOUT2P HPOUT2N 110 dB G4 Speakerphone PCM Voice Call: DAC/Speaker to ADC Separation fs=8kHz for ADC and DAC, DAC_SB_FILT=1; 0dBFS DAC output to speaker (1W output); ADC record from input PGA (Gain=+30dB); Measure crosstalk on ADC output + MIXINL or MIXINR ADCL or ADCR CROSSTALK - + +30dB IN1L, IN2L, IN1R or IN2R Quiescent input IN1LN, IN2LN, IN1RN or IN2RN IN1LP, IN2LP, IN1RP or IN2RP + SPKMIXL DACL RLOAD = 8Ohm 0dB SPKOUTLP SPKOUTLN 0dB SPKLVOL + SPKMIXR RLOAD = 8Ohm 0dB SPKOUTRP SPKOUTRN 0dB SPKRVOL DACR 90 dB G5 Speakerphone PCM Voice Call: ADC to DAC/Speaker Separation fs=8kHz for ADC and DAC, DAC_SB_FILT=1; Quiescent DAC output to speaker; ADC record from input PGA (Gain=+30dB + 30dB boost); Measure crosstalk on speaker output + MIXINL or MIXINR ADCL or ADCR - + +30dB IN1L, IN2L, IN1R or IN2R 1kHz input IN1LN, IN2LN, IN1RN or IN2RN IN1LP, IN2LP, IN1RP or IN2RP + SPKMIXL DACL RLOAD = 8Ohm 0dB SPKOUTLP or SPKOUTRP SPKOUTLN or SPKOUTRN 0dB SPKLVOL +30dB gain CROSSTALK 95 dB |
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