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AKD4358 Datasheet(PDF) 6 Page - Asahi Kasei Microsystems |
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AKD4358 Datasheet(HTML) 6 Page - Asahi Kasei Microsystems |
6 / 36 page ASAHI KASEI [AK4358] MS0203-E-01 2006/02 - 6 - ANALOG CHARACTERISTICS (Ta=25 °C; AVDD, DVDD=5V; VREFH=AVDD; fs=44.1kHz; BICK=64fs; Signal Frequency=1kHz; 24bit Input Data; Measurement frequency=20Hz ∼ 20kHz; R L ≥2kΩ; unless otherwise specified) Parameter Min Typ Max Units Resolution 24 Bits Dynamic Characteristics (Note 4) fs=44.1kHz BW=20kHz 0dBFS -60dBFS -94 -48 -86 - dB dB fs=96kHz BW=40kHz 0dBFS -60dBFS -92 -45 -84 - dB dB THD+N fs=192kHz BW=40kHz 0dBFS -60dBFS -92 -45 - - dB dB Dynamic Range (-60dBFS with A-weighted) (Note 5) 102 112 dB S/N (A-weighted) (Note 6) 102 112 dB Interchannel Isolation (1kHz) 90 100 dB Interchannel Gain Mismatch 0.2 0.5 dB DC Accuracy Gain Drift 100 - ppm/ °C Output Voltage (Note 7) ±2.35 ±2.5 ±2.65 Vpp Load Resistance (Note 8) 2 k Ω Power Supplies Power Supply Current (AVDD+DVDD) Normal Operation (PDN = “H”, fs ≤96kHz) (Note 9) Normal Operation (PDN = “H”, fs=192kHz) (Note 10) Power-Down Mode (PDN = “L”) (Note 11) 56 62 10 70 85 100 mA mA µA Note 4. Measured by Audio Precision System Two. Refer to the evaluation board manual. Note 5. 100dB at 16bit data. Note 6. S/N does not depend on input bit length. Note 7. Full scale voltage (0dB). Output voltage scales with the voltage of VREFH pin. AOUT (typ. @0dB) = (AOUT+)-(AOUT-) = ±2.5Vpp×VREFH/5.0 Note 8. For AC-load. 4k Ω for DC-load Note 9 AVDD=40mA(Typ), DVDD=12mA(Typ)@44.1kHz&5V, 16mA(Typ)@96kHz&5V Note 10 AVDD=40mA(Typ), DVDD=22mA(Typ)@192kHz&5V Note 11. All digital inputs including clock pins (MCLK, BICK and LRCK) are held DVDD or DVSS. |
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