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AKD4564 Datasheet(PDF) 8 Page - Asahi Kasei Microsystems |
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AKD4564 Datasheet(HTML) 8 Page - Asahi Kasei Microsystems |
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8 / 48 page  ASAHI KASEI [AK4564] MS0140-E-01 2002/07 - 8 - (Continue) Parameter min typ max Units DAC Analog Output characteristics: Measured via LOUT1/ROUT1, LOUT2/ROUT2, VOL=+6.5dB Resolution 16 bits S/(N+D) (0dBFS) 76 82 dB DR (-60dBFS, A-Weighted) 82 88 dB S/N (A-Weighted) 82 88 dB Output Voltage (Note 19) +1.2 +2 +2.8 dBV Interchannel Isolation 80 100 dB Interchannel Gain Mismatch 0.5 dB Load Resistance 10 k Ω Load Capacitance (Note 13) 30 pF Headphone-Amp Characteristics: DAC à HPL/HPR pin Output Voltage (Note 20) HVDD = 3V (Note 21) HVDD = 4.5V -5.5 -1.1 -4.7 -0.3 -3.9 +0.5 dBV dBV S/(N+D) (Note 20) HVDD = 3V (Note 21) HVDD = 4.5V 50 50 70 66 dB dB Output Noise Voltage (A-Weighted); HPG=“0”, HVDD=3V, RL=32 Ω HPG=“1”, HVDD=4.5V, RL=100 Ω -92 -77 -86 -71 dBV dBV Interchannel Isolation; HPG=“0”, HVDD=3V, RL=32 Ω HPG=“1”, HVDD=4.5V, RL=100 Ω 60 60 80 80 dB dB Interchannel Gain Mismatch; HPG=“0”, HVDD=3V, RL=32 Ω HPG=“1”, HVDD=4.5V, RL=100 Ω 0.5 0.5 dB dB Load Resistance; HVDD=2.6 ∼3.6V, HPG = “0” HVDD=4.0 ∼5.5V, HPG = “1” 22 100 Ω Ω Load Capacitance (C1 in Figure 2) (C2 in Figure 2) 30 6.8 pF nF Speaker-Amp Characteristics: RL = 8 Ω, BTL, MIN à SP0/SP1, ALC2 = OFF Output Voltage (-6.5dBV Input) -4 -2 0 dBV S/(N+D) (-2dBV Output) 30 60 dB S/N (A-Weighted) 81 89 dB Load Resistance 8 Ω Load Capacitance 10 pF Note 19. Output voltages are proportional to AVDD voltage. LOUT1, ROUT1, LOUT2, ROUT2 = (1.27 x AVDD) Vpp @VOL = +6.5dB Note 20. When DAC = 0dBFS Output, OATT = 0dB, HPG = “0”, RL = 32 Ω, the output voltage is (0.59 x AVDD) Vpp. Note 21. When DAC = -12dBFS Output, OATT = 0dB, HPG = “1”, RL = 100 Ω, the output voltage is (0.98 x AVDD) Vpp. + - + HP-Amp 16 Ω 16 Ω 0.1 µ HPL, HPR C1 C2 10 Ω Oscillation prevention circuit Figure 2. Headphone-Amp Output Circuit * 0dBV = 1Vrms = 2.83Vpp |
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Similar Description - AKD4564 |
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