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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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WM8958 Arkusz danych(PDF) 21 Page - Wolfson Microelectronics plc |
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WM8958 Arkusz danych(HTML) 21 Page - Wolfson Microelectronics plc |
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21 / 377 page  Pre-Production WM8958 w PP, August 2012, Rev 3.4 21 DAC OUTPUT PATH PERFORMANCE Test Conditions AVDD1=3.0V (powered from LDO1), DCVDD=1.2V (powered from LDO2), AVDD2=DBVDD1=DBVDD2=DBVDD3=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 E1 DAC to Single-Ended Line Output (Load = 10k // 50pF) SNR A-weighted 93 dB THD 0dBFS input -75 dB THD+N 0dBFS input -73 dB Channel Separation (L/R) 70 dB PSRR (all supplies) 100mV (pk-pk) 217Hz 36 dB LINEOUTFB rejection LINEOUTn_FB=1, 100mV (pk-pk) 217Hz 38 dB E2 DAC to Differential Line Output (Load = 10k // 50pF) SNR A-weighted 97 dB THD 0dBFS input -76 dB THD+N 0dBFS input -75 dB Channel Separation (L/R) 90 dB PSRR (all supplies) 100mV (pk-pk) 217Hz 51 dB E5 DAC to Headphone on HPOUT1L or HPOUT1R (Load = 32 ) SNR (A-weighted) DAC_OSR128=1 100 dB DAC_OSR128=0 97 dB THD PO=20mW -74 dB THD+N PO=20mW -72 dB THD PO=5mW -76 dB THD+N PO=5mW -74 dB Channel Separation (L/R) 95 dB PSRR (all supplies) 100mV (pk-pk) 217Hz 51 dB HPOUT1FB rejection 100mV (pk-pk) 217Hz 29 dB E6 DAC to Headphone on HPOUT1L or HPOUT1R (Load = 16 ) SNR (A-weighted) DAC_OSR128=1 90 100 dB DAC_OSR128=0 97 dB THD PO=20mW -82 dB THD+N PO=20mW -80 dB THD PO=5mW -83 -73 dB THD+N PO=5mW -81 -71 dB Channel Separation (L/R) 95 dB PSRR (all supplies) 100mV (pk-pk) 217Hz 51 dB HPOUT1FB rejection 100mV (pk-pk) 217Hz 29 dB |
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