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WM8758CBGEFL/V Datasheet(PDF) 10 Page - Wolfson Microelectronics plc |
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WM8758CBGEFL/V Datasheet(HTML) 10 Page - Wolfson Microelectronics plc |
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10 / 90 page  WM8758B Production Data w PD, Rev 4.4, January 2012 10 Test Conditions DCVDD=1.8V, AVDD1=AVDD2=3.0V, DBVDD=3.3V, TA = +25 oC, 1kHz signal, fs = 48kHz, 24-bit audio data unless otherwise stated. PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT DAC to L/R Mix to Headphone (LOUT1/ROUT1, analogue volume controls set to 0dB) Full-scale output PGA gains set to 0dB AVDD1/3.3 Vrms Signal to Noise Ratio (Note 5,6) SNR A-weighted 100 dB 22Hz to 20kHz 95.5 dB Total Harmonic Distortion (Note 7) THD Po = 20mW RL=16Ω -75 dB Po = 20mW RL=32Ω -79 dB Total Harmonic Distortion + Noise (Note 7) THD+N Po = 20mW RL=16Ω -75 dB Po = 20mW RL=32Ω -79 dB Channel Separation (Note 8) 1kHz signal 100 dB Ground noise rejection 10mV, 20kHz noise on HPCOM, HPCOM enabled 40 dB DAC to L/R Mix to Headphone (LOUT2/ROUT2, analogue volume controls set to 0dB) Full-scale output PGA gains set to 0dB AVDD1/3.3 Vrms Signal to Noise Ratio (Note 5,6) SNR A-weighted 90 97 dB 22Hz to 20kHz 95.5 dB Total Harmonic Distortion (Note 7) THD Po = 20mW RL=16Ω -79 dB Po = 20mW RL=32Ω -82 dB Channel Separation (Note 8) 1kHz signal 100 dB Ground noise rejection 10mV, 20kHz noise on LCOM, LCOM enabled 40 dB Bypass Paths to Output Mixers Maximum PGA gain into mixer +6 dB Minimum PGA gain into mixer -15 dB PGA gain step into mixer Guaranteed monotonic 3 dB Mute attenuation 100 dB Analogue Outputs (LOUT1, ROUT1, LOUT2, ROUT2) Maximum Programmable Gain +6 dB Minimum Programmable Gain -57 dB Programmable Gain step size Guaranteed monotonic 1 dB Mute attenuation 1kHz, full scale signal 85 dB |
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