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AK4344 Datasheet(PDF) 6 Page - Asahi Kasei Microsystems |
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AK4344 Datasheet(HTML) 6 Page - Asahi Kasei Microsystems |
6 / 24 page [AK4344] ANALOG CHARACTERISTICS (Ta=25 °C; VDD=3.3V; VSS=0V; fs=44.1kHz, 96kHz; BICK=64fs; Signal Frequency=1kHz; 24bit Data; Measurement frequency=20Hz ∼ 20kHz at fs=44.1kHz, 20Hz ∼ 40kHz at fs=96kHz; unless otherwise specified) Parameter min typ max Units Dynamic Characteristics (GAIN bit= “1”) : Resolution 24 Bits THD+N fs=44.1kHz BW=20kHz 0dBFS −60dBFS -90 −37 -80 - dB dB fs=96kHz BW=40kHz 0dBFS −60dBFS -88 −34 - - dB dB DR ( −60dBFS with A-weighted) 92 100 dB S/N (A-weighted) 92 100 dB Interchannel Isolation 80 100 dB DC Accuracy: Interchannel Gain Mismatch 0.2 0.5 dB Gain Drift 100 - ppm/ °C Output Voltage: GAIN bit=“1” (Note 3) 2.60 2.8 3.00 Vpp Output Voltage: GAIN bit=“0” (Note 4) 2.05 2.2 2.35 Vpp Load Resistance (Note 5) 10 k Ω Load Capacitance 25 pF Power Supplies Power Supply Current Normal Operation (PDN pin = “H”, fs=44.1kHz) (Note 6) Normal Operation (PDN pin = “H”, fs=96kHz) (Note 6) Full Power-down mode (PDN pin = “L”) (Note 7) 7.0 8.5 10 12.8 50 mA mA μA Note 3. Full-scale voltage (0dB). Output voltage scales with the voltage of VDD, Vout = 0.85 × VDD (typ). Note 4. Full-scale voltage (0dB). Output voltage scales with the voltage of VDD, Vout = 0.67 × VDD (typ). Note 5. For AC-load. Note 6. RSTN bit= “1”, PW bit= “1” Note 7. All digital input pins are fixed to VDD or VSS. MS0641-E-00 2007/06 - 6 - |
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