相关芯片的一些技术指标: PCM1792: 24-Bit Resolution Analog Performance: Dynamic Range: 132 dB (9 V rms, Mono) 129 dB (4.5 V rms, Stereo) 127 dB (2 V rms, Stereo) THD+N: 0.0004% Differential Current Output: 7.8 mA p-p 8× Oversampling Digital Filter: Stop-Band Attenuation: –130 dB Pass-Band Ripple: ±0.00001 dB Sampling Frequency: 10 kHz to 200 kHz
PCM1796: 24-Bit Resolution Analog Performance: Dynamic Range: 123 dB THD+N: 0.0005% Differential Current Output: 4 mA p-p 8× Oversampling Digital Filter: Stop-Band Attenuation: –98 dB Pass-Band Ripple: ±0.0002 dB Sampling Frequency: 10 kHz to 200 kHz
PCM2906/PCM2902 With Full-Speed Transceivers Fully Compliant With USB 1.1 Specification 16-Bit Delta-Sigma ADC and DAC Sampling Rate: DAC: 32, 44.1, 48 kHz ADC: 8, 11.025, 16, 22.05, 32, 44.1, 48 kHz On-Chip Clock Generator With Single 12-MHz Clock Source Single Power Supply: 5 V Typical (VBUS) Stereo ADC Analog Performance at VBUS = 5 V THD+N = 0.01% SNR = 89 dB Dynamic Range = 89 dB Stereo DAC: Analog Performance at VBUS = 5 V THD+N = 0.005% SNR = 96 dB Dynamic Range = 93 dB