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AK4373EN Datasheet(PDF) 11 Page - Asahi Kasei Microsystems |
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AK4373EN Datasheet(HTML) 11 Page - Asahi Kasei Microsystems |
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11 / 98 page  [AK4373] MS0991-E-00 2008/09 - 11 - ANALOG CHARACTERISTICS (Ta=25 °C; AVDD=DVDD=HVDD=3.3V; VSS1=VSS2=VSS3=0V; fs=44.1kHz, BICK=64fs; Signal Frequency=1kHz; 24bit Data; Measurement frequency=20Hz ∼ 20kHz; unless otherwise specified) Parameter min typ max Units DAC Characteristics: Resolution - - 24 Bits Stereo Line Output Characteristics: DAC → LOUT/ROUT pins, Single-ended mode (Figure 4), HPBTL bit = “0”, PSEUDO bit = “0”, HPG bit = “0”, HVDD=3.3V, C=1µF, RL=10kΩ, ALC=OFF, AVOL=0dB, DVOL=0dB; unless otherwise specified. Output Voltage (0dBFS) (Note 11) 1.78 1.98 2.18 Vpp S/(N+D) (0dBFS) - 77 - dB S/N (A-weighted) 86 96 - dB Interchannel Isolation 60 80 - dB Load Resistance RL 10 - - k Ω Load Capacitance C1 - - 30 pF Note 11. Output voltage is proportional to AVDD voltage. Vout = 0.6 x AVDD (typ). LOUT/ROUT pin Line-Amp C RL Measurement Point C1 Figure 4. Line-Amp output circuit Parameter min typ max Units Headphone-Amp Characteristics: DAC → HPL/HPR pins, Single-ended mode (Figure 5), HPBTL bit = “0”, PSEUDO bit = “0”, HPG bit = “0”, HVDD=3.3V, C=47µF, RL=22.8Ω, ALC=OFF, AVOL=0dB, DVOL=0dB; unless otherwise specified. Output Voltage (Note 12) 0dBFS 1.58 1.98 2.38 Vpp 0dBFS (Note 13) - 3.00 - Vpp 0dBFS (Note 14) - 1.02 - Vrms S/(N+D) −3dBFS 50 60 - dB −3dBFS (Note 13) - 65 - dB 0dBFS (Note 14) - 20 - dB 86 96 - dB S/N (A-weighted) (Note 13) - 96 - dB Interchannel Isolation 60 75 - dB Interchannel Gain Mismatch - 0 0.8 dB Load Resistance RL=R1+R2 16 - - Ω Load Capacitance C1 - - 30 pF C2 - - 300 pF Note 12. Output voltage is proportional to AVDD voltage. Vout = 0.6 x AVDD(typ)@HPG bit = “0”, 0.91 x AVDD(typ)@HPG bit = “1”. Note 13. HPG bit = “1”, HVDD=3.8V, C=47µF, RL=100Ω. Note 14. HPG bit = “1”, HVDD=3.3V, C=47µF, RL=16Ω. |
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