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WM9713 数据表(PDF) 9 Page - Wolfson Microelectronics plc |
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WM9713 数据表(HTML) 9 Page - Wolfson Microelectronics plc |
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9 / 111 page  Preliminary Technical Data WM9713L 1 PTD, March 2004, Rev 2.2 9 AUDIO INPUTS Test Conditions DBVDD=3.3V, DCVDD = 3.3V, AVDD = 3.3V, TA = +25 oC, 1kHz signal, fs = 48kHz, 24-bit audio data unless otherwise stated. PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT LINEL/R, MIC1/2A/2B and MONOIN pins AVDD = 3.3V 1.0 AVDD = 1.8V 0.545 Full Scale Input Signal Level (for ADC 0dB Input at 0dB Gain) VINFS differential input mode (MS = 01) half of the value listed above Vrms 0dB PGA gain 25.6 32 38.4 Input Resistance RIN 12dB PGA gain 10.4 13 15.6 k Ω Input Capacitance 5 pF Line input to ADC (LINEL, LINER, MONOIN) Signal to Noise Ratio (A-weighted) SNR 80 87 dB Total Harmonic Distortion THD -86 -80 dB Power Supply Rejection PSRR 20Hz to 20kHz 50 dB Microphone input to ADC (MIC1/2A/2B pins) Signal to Noise Ratio (A-weighted) SNR 20dB boost enabled 80 dB Total Harmonic Distortion THD 20dB boost enabled -80 dB Power Supply Rejection Ratio PSRR 50 dB Common Mode Rejection Ratio CMRR Differential mic mode TBD dB AUXILIARY MONO DAC (AUXDAC) Test Conditions AVDD = 3.3V, TA = +25 oC, unless otherwise stated. PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Resolution 12 bits Full scale output voltage AVDD=3.3V 1 Vrms Signal to Noise Ratio (A-weighted) SNR TBD dB Total Harmonic Distortion THD TBD dB PCM VOICE DAC (VXDAC) Test Conditions AVDD = 3.3V, TA = +25 oC, unless otherwise stated. PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Resolution 16 bits Sample rates 8 16 Ks/s Full scale output voltage AVDD=3.3V 1 Vrms Signal to Noise Ratio (A-weighted) SNR 80 dB Total Harmonic Distortion THD 74 dB |
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