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AK4646EZ Datasheet(PDF) 9 Page - Asahi Kasei Microsystems |
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AK4646EZ Datasheet(HTML) 9 Page - Asahi Kasei Microsystems |
9 / 81 page [AK4646] MS0557-E-05 2011/01 - 9 - Parameter min typ max Units DAC Characteristics: Resolution - - 16 Bits Stereo Line Output Characteristics: DAC → LOUT, ROUT pins, ALC=OFF, OVOL=0dB, LOVL1-0 bit = “00”, RL=10kΩ Output Voltage (Note 17) LOVL1-0 bit = “00” 1.78 1.98 2.18 Vpp LOVL1-0 bit = “01” 2.25 2.50 2.75 Vpp S/(N+D) ( −3dBFS) 78 88 - dBFS S/N (A-weighted) 82 92 - dB Interchannel Isolation 85 100 - dB Interchannel Gain Mismatch - 0.1 0.8 dB Load Resistance 10 - - k Ω Load Capacitance - - 30 pF Speaker-Amp Characteristics: DAC → SPP/SPN pins, ALC=OFF, OVOL=0dB, R L=8Ω, BTL, SVDD=3.3V Output Voltage (Note 18) SPKG1-0 bits = “00”, −0.5dBFS (Po=150mW) - 3.18 - Vpp SPKG1-0 bits = “01”, −0.5dBFS (Po=250mW) 3.20 4.00 4.80 Vpp SPKG1-0 bits = “10”, −0.5dBFS (Po=400mW) - 1.79 - Vrms S/(N+D) SPKG1-0 bits = “00”, −0.5dBFS (Po=150mW) - 60 - dB SPKG1-0 bits = “01”, −0.5dBFS (Po=250mW) 20 50 - dB SPKG1-0 bits = “10”, −0.5dBFS (Po=400mW) - 20 - dB S/N (A-weighted) 80 90 - dB Load Resistance 8 - - Ω Load Capacitance - - 30 pF Note 17. Output voltage is proportional to AVDD voltage.Vout = 0.6 x AVDD (typ)@LOVL bit = “0”. Note 18. Output voltage is proportional to AVDD voltage. When the DAC input is -0.5dBFS in Full-differential mode, Vout = 0.96 x AVDD (typ)@SPKG1-0 bits = “00”, 1.21 x AVDD (typ)@SPKG1-0 bits = “01”, 1.52 x AVDD (typ)@SPKG1-0 bits = “10”, 1.92 x AVDD (typ)@SPKG1-0 bits = “11” |
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