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AK4627VQ Datasheet(PDF) 7 Page - Asahi Kasei Microsystems |
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AK4627VQ Datasheet(HTML) 7 Page - Asahi Kasei Microsystems |
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7 / 46 page  [AK4627] MS1278-E-02 2012/03 - 7 - ANALOG CHARACTERISTICS (Ta=25 °C; AVDD=DVDD=TVDD=5V; VSS1=VSS2=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 Unit ADC Analog Input Characteristics (Single-ended Inputs) Resolution 24 Bits S/(N+D) (-0.5dBFS) fs=48kHz fs=96kHz 84 - 96 92 dB dB DR (-60dBFS) fs=48kHz, A-weighted fs=96kHz fs=96kHz, A-weighted 94 88 93 102 99 105 dB dB dB S/N (Note 11) fs=48kHz, A-weighted fs=96kHz fs=96kHz, A-weighted 94 88 93 102 99 105 dB dB dB Interchannel Isolation 90 110 dB DC Accuracy (Single-ended Inputs) Interchannel Gain Mismatch 0.2 0.3 dB Gain Drift 20 - ppm/ °C Input Voltage AIN=0.68xVREFH 3.2 3.4 3.6 Vpp fs=48kHz 10 14 k Ω Input Resistance fs=96kHz 11 k Ω Power Supply Rejection (Note 9) 50 dB ADC Analog Input Characteristics (Differential inputs) 84 96 dB S/(N+D) (-0.5dBFS) fs=48kHz fs=96kHz - 94 dB 95 103 dB 89 100 dB DR (-60dBFS) fs=48kHz, A-weighted fs=96kHz fs=96kHz, A-weighted 94 106 dB 95 103 dB 89 100 dB S/N (Note 11) fs=48kHz, A-weighted fs=96kHz fs=96kHz, A-weighted 94 106 dB Interchannel Isolation 90 110 dB DC Accuracy (Differential inputs) Interchannel Gain Mismatch 0.2 0.3 dB Gain Drift 20 - ppm/ °C Input Voltage AIN=0.68xVREFH (Note 8) ±3.2 ±3.4 ±3.6 Vpp fs=48kHz 22 32 kΩ Input Resistance fs=96kHz 19 kΩ Power Supply Rejection (Note 9) 50 - dB Common Mode Rejection Ratio (CMRR) (Note 10) 60 dB |
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