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STW5098T 数据表(PDF) 69 Page - STMicroelectronics |
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STW5098T 数据表(HTML) 69 Page - STMicroelectronics |
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69 / 85 page  STw5098 Stereo audio ADC specifications 69/85 12 Stereo audio ADC specifications Information included in this section applies to both entities. Typical measures at VCCA=VCCP=VCCLS=2.7V; VCCIO=VCC=1.8 V; Tamb=25° C;13 MHz AMCK Table 52. Stereo audio ADC specifications Symbol Parameter Test conditions Min. Typ. Max. Unit ADN Resolution 20 Bits ADDRM ADDRLI Dynamic range 20Hz to 20kHz, A-weighted Measured at -60dBFS MIC input, 21dB gain Line-In, 0dB gain 87 89 91 93 dB dB ADSNA ADSN Signal to noise ratio Max level at MIC input, 21dB gain A-weighted Unweighted (20 Hz to 20 kHz) 90 86 dB dB Input referred ADC noise A-weighted Mic input 0dB gain Mic input 21dB gain Mic input 39dB gain Line in input 0dB gain Line in input 18dB gain 37 3.3 1.9 30 7.5 µV µV µV µV µV ADTHD Total harmonic distortion Max level at MIC input, 21dB gain 0.001 0.003 % Deviation from linear phase Measurement bandwidth 20Hz to 20kHz, Fs= 48kHz. Combined digital and analog filter characteristics 1Deg ADfPB Passband Combined digital and analog filter characteristics AD96K=0 00.45Fs kHz Passband ripple Combined digital and analog filter characteristics AD96K=0 0.2 dB ADfSB Stopband Combined digital and analog filter characteristics AD96K=0 0.55Fs kHz Stopband Attenuation Measurement bandwidth up to 3.45Fs. Combined digital and analog filter characteristics, AD96K=0 60 dB ADtgd Group delay Audio filters, 96kHz FS Audio filters, 48kHz FS Audio filters, 8kHz FS 0.11 0.4 2.6 ms ms ms Interchannel isolation 90 dB Interchannel gain mismatch 0.2 dB Gain error 0.5 dB Note: When 2.4 V < VCCA < 2.7 V, the values are reduced by 2dB |
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