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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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WM8985GEFL/R датащи(PDF) 11 Page - Wolfson Microelectronics plc |
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WM8985GEFL/R датащи(HTML) 11 Page - Wolfson Microelectronics plc |
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11 / 121 page  Production Data WM8985 w PD, Rev 4.6, July 2009 11 Test Conditions DCVDD=1.8V, AVDD1=AVDD2=DBVDD=3.3V, TA = +25 oC, 1kHz signal, fs = 48kHz, 24-bit audio data unless otherwise stated. PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT DAC to L/R mixer into 10k Ω / 50pF load on L/ROUT2, class AB mode LOUT2VOL, ROUT2VOL, DACLVOL and DACRVOL = 0dB Full-scale output 1 LOUT2VOL and ROUT2VOL = 0dB AVDD1/3.3 Vrms Signal to Noise Ratio 3 SNR A-weighted AVDD1=AVDD2=3.3V 100 dB A-weighted AVDD1=AVDD2=2.5V 96 dB 22Hz to 20kHz AVDD1=AVDD2=3.3V 95.5 dB 22Hz to 20kHz AVDD1=AVDD2=2.5V 93.5 dB Total Harmonic Distortion 4 THD 0dBFS input AVDD1=AVDD2=3.3V -84 dBFS 0dBFS input AVDD1=AVDD2=2.5V -82 dBFS Total Harmonic Distortion + Noise 5 THD+N 0dBFS input AVDD1=AVDD2=3.3V -82 dBFS 0dBFS input AVDD1=AVDD2=2.5V -80 dBFS Channel Separation 6 1kHz input signal 100 dB DAC to OUT3 and OUT4 mixers into OUT3/OUT4 outputs into (10k Ω / 50pF load. DACVOLL and DACVOLR = 0dB) Full-scale output voltage AVDD2/3.3 Vrms Signal to Noise Ratio 3 SNR A-weighted AVDD1=AVDD2=3.3V 98 dB Total Harmonic Distortion 4 THD full-scale signal AVDD1=AVDD2=3.3V -84 dBFS Total Harmonic Distortion + Noise 5 THD+N full-scale signal AVDD1=AVDD2=3.3V -82 dBFS Channel Separation 6 1kHz signal 100 dB DAC to left and right mixer into headphone 16Ω load on LOUT1 and ROUT1 LOUT1VOL, ROUT1VOL, DACLVOL and DACRVOL = 0dB Full-scale output AVDD1/3.3 Vrms Signal to Noise Ratio 3 SNR A-weighted AVDD1=AVDD2=3.3V 100 dB 22Hz to 20kHz AVDD1=AVDD2=3.3V 95.5 dB Total Harmonic Distortion 4 THD Po = 20mW, RL=16Ω -79 dB Total Harmonic Distortion + Noise 5 THD+N Po = 20mW, RL=16Ω -75 dB Channel Separation 6 1kHz signal 100 dB |
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