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AK4626 Datasheet(PDF) 8 Page - Asahi Kasei Microsystems |
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AK4626 Datasheet(HTML) 8 Page - Asahi Kasei Microsystems |
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8 / 40 page  ASAHI KASEI [AK4626] MS0233- J -01 2004/03 - 8 - アナログ特性 (Ta=25 °C; AVDD, DVDD, TVDD=5V; AVSS, DVSS=0V; VREFH=AVDD; fs=48kHz; BICK=64fs; Signal Frequency=1kHz; 24bit Data; Measurement Frequency=20Hz ∼20kHz at 48kHz, 20Hz~40kHz at fs=96kHz, 20Hz~40kHz at fs=192kHz; unless otherwise specified) Parameter min typ max Units ADC Analog Input Characteristics Resolution 24 Bits S/(N+D) (-0.5dBFS) fs=48kHz fs=96kHz 84 - 92 86 dB dB DR (-60dBFS) fs=48kHz, A-weighted fs=96kHz fs=96kHz, A-weighted 94 88 93 102 96 102 dB dB dB S/N (Note 8) fs=48kHz, A-weighted fs=96kHz fs=96kHz, A-weighted 94 88 93 102 96 102 dB dB dB Interchannel Isolation 90 110 dB DC Accuracy Interchannel Gain Mismatch 0.2 0.3 dB Gain Drift 20 - ppm/ °C Input Voltage AIN=0.62xVREFH 2.90 3.10 3.30 Vpp Input Resistance (Note 9) 15 25 k Ω Power Supply Rejection (Note 10) 50 dB DAC Analog Output Characteristics Resolution 24 Bits S/(N+D) fs=48kHz fs=96kHz fs=192kHz 80 78 - 90 88 88 dB dB dB DR (-60dBFS) fs=48kHz, A-weighted fs=96kHz fs=96kHz, A-weighted fs=192kHz fs=192kHz, A-weighted 95 88 94 - - 106 100 106 100 106 dB dB dB dB dB S/N (Note 11) fs=48kHz, A-weighted fs=96kHz fs=96kHz, A-weighted fs=192kHz fs=192kHz, A-weighted 95 88 94 - - 106 100 106 100 106 dB dB dB dB dB Interchannel Isolation 90 110 dB DC Accuracy Interchannel Gain Mismatch 0.2 0.5 dB Gain Drift 20 - ppm/ °C Output Voltage AOUT=0.6xVREFH 2.75 3.0 3.25 Vpp Load Resistance 5 k Ω Power Supply Rejection (Note 10) 50 dB Notes: 8. CCIR-ARMで測定した場合は98dB(@fs=48kHz)です。 9. fs=96kHz の時、入力抵抗は16k Ω(typ)です。 10. VREFHを+5.0Vに固定して、AVDD, DVDD, TVDDに1kHz, 50mVppの正弦波を重畳した場合。 11. CCIR-ARMで測定した場合は102dB(@fs=48kHz)です。 |
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