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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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WM1811A датащи(PDF) 19 Page - Wolfson Microelectronics plc |
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WM1811A датащи(HTML) 19 Page - Wolfson Microelectronics plc |
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19 / 328 page  Production Data WM1811A w PD, November 2013, Rev 4.1 19 Test Conditions AVDD1=3.0V (powered from LDO1), DCVDD=1.05V (powered from LDO2), AVDD2=DBVDD1=DBVDD2=DBVDD3=CPVDD=1.8V, LDO1VDD=SPKVDD1=SPKVDD2=5V, DGND=AGND=CPGND=SPKGND1=SPKGND2=HP2GND=0V, TA = +25 oC, 1kHz sinusoidal signal, fs = 48kHz, PGA gain = 0dB, 24-bit audio data unless otherwise stated. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT D4 RXVOICE to ADCL or ADCR SNR A-weighted 94 dB THD -1dBV input -84 dB THD+N -1dBV input -82 dB PSRR (SPKVDDn, LDO1VDD) 100mV (pk-pk) 217Hz 102 dB PSRR (AVDD2, CPVDD, DBVDDn) 100mV (pk-pk) 217Hz 97 dB CMRR Input PGA = -12dB 1V (pk-pk) 217Hz 56 dB Input PGA = 0dB 1V (pk-pk) 217Hz 63 Input PGA = +6dB 1V (pk-pk) 217Hz 61 Note that the Input PGA gain is controlled using the IN2LRP_MIXINx_VOL registers. DAC OUTPUT PATH PERFORMANCE Test Conditions AVDD1=3.0V (powered from LDO1), DCVDD=1.05V (powered from LDO2), AVDD2=DBVDD1=DBVDD2=DBVDD3=CPVDD=1.8V, LDO1VDD=SPKVDD1=SPKVDD2=5V, DGND=AGND=CPGND=SPKGND1=SPKGND2=HP2GND=0V, TA = +25 oC, 1kHz sinusoidal signal, fs = 48kHz, PGA gain = 0dB, 24-bit audio data unless otherwise stated. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT E1 DAC to Single-Ended Line Output (Load = 10k // 50pF) SNR A-weighted 93 dB THD 0dBFS input -82 dB THD+N 0dBFS input -80 dB Channel Separation (L/R) -90 dB PSRR (SPKVDDn, LDO1VDD) 100mV (pk-pk) 217Hz 85 dB PSRR (AVDD2, CPVDD, DBVDDn) 100mV (pk-pk) 217Hz 95 dB LINEOUTFB rejection LINEOUTn_FB=1, 100mV (pk-pk) 217Hz 38 dB E2 DAC to Differential Line Output (Load = 10k // 50pF) SNR A-weighted 97 dB THD 0dBFS input -82 dB THD+N 0dBFS input -80 dB Channel Separation (L/R) -90 dB PSRR (SPKVDDn, LDO1VDD) 100mV (pk-pk) 217Hz 87 dB PSRR (AVDD2, CPVDD, DBVDDn) 100mV (pk-pk) 217Hz 88 dB |
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