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WM8959 Datasheet(PDF) 14 Page - Wolfson Microelectronics plc |
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WM8959 Datasheet(HTML) 14 Page - Wolfson Microelectronics plc |
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14 / 155 page  WM8959 Pre-Production w PP, May 2008, Rev 3.1 14 Test Conditions DCVDD = 1.8V, DBVDD = 3.3V, AVDD = HPVDD = 3.3V, SPKVDD = 5V, TA = +25 oC, 1kHz signal, fs = 48kHz, PGA gain = 0dB, 24-bit audio data unless otherwise stated. DAC Output Path (Line Outputs 10k Ω / 50pF Load, Headphone Outputs 16Ω Load, Speaker Output 8Ω BTL Load) SNR (A-weighted) 99 dB THD -86 dB THD+N -84 dB Crosstalk (L/R) -100 dB AVDD PSRR (217Hz) DAC to single- ended line out, 0dBFS input, AVDD = 3.3V 45 dB SNR (A-weighted) 97 dB THD -89 dB E1 THD+N DAC to single- ended line out, 0dBFS input, AVDD = 2.7V -87 dB SNR (A-weighted) 99 dB THD -86 dB THD+N -84 dB Crosstalk (L/R) -100 dB AVDD PSRR (217Hz) 60 dB DC Offset at Load DAC to differential line out, 0dBFS input, AVDD = 3.3V 5 mV SNR (A-weighted) 97 dB THD -90 dB E2 THD+N DAC to differential line out, 0dBFS input, AVDD = 2.7V -88 dB E3 Minimum Line Out Resistance LOP, LON, ROP, RON 2 k Ω E4 Maximum Line Out Capacitance LOP, LON, ROP, RON 10 nF SNR (A-weighted) 99 dB THD (PO=20mW) -81 dB THD+N (PO=20mW) -79 dB THD (PO=5mW) -77 dB THD+N (PO=5mW) -75 dB Crosstalk (L/R) -100 dB AVDD PSRR (217Hz) 45 dB HPVDD PSRR (217Hz) DAC to LOUT or ROUT, RL=32 Ω, AVDD=HPVDD= 3.3V 85 dB SNR (A-weighted) 97 dB THD (PO=5mW) -76 dB E5 THD+N (PO=5mW) DAC to LOUT or ROUT, RL=32 Ω, AVDD=HPVDD= 2.7V 32 Ω AC-Coupled Headphone Outputs -74 dB SNR (A-weighted) 90 99 dB THD (PO=20mW) -77 -72 dB THD+N (PO=20mW) -75 -70 dB THD (PO=5mW) -73 dB THD+N (PO=5mW) -71 dB Crosstalk (L/R) -100 dB AVDD PSRR (217Hz) 45 dB HPVDD PSRR (217Hz) DAC to LOUT or ROUT, RL=16 Ω, AVDD=HPVDD= 3.3V 85 dB SNR (A-weighted) 97 dB THD (PO=20mW) -74 dB THD+N (PO=20mW) -72 dB THD (PO=5mW) -72 dB E6 THD+N (PO=5mW) DAC to LOUT, or ROUT, RL=16 Ω, AVDD=HPVDD= 2.7V 16 Ω AC-Coupled Headphone Outputs LOUT or ROUT LOMIX or ROMIX + DACL or DACR + RLOAD = 16Ohm -70 dB |
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