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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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CS47L85 датащи(PDF) 22 Page - Cirrus Logic |
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CS47L85 датащи(HTML) 22 Page - Cirrus Logic |
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22 / 370 page  CS47L85 22 Rev 4.3 Test Conditions DBVDD1 = DBVDD2 = DBVDD3 = DBVDD4 = CPVDD1 = AVDD = LDOVDD = 1.8V, CPVDD2 = 1.2V, DCVDD = FLLVDD = 1.2V (powered from LDO1), MICVDD = 2.5V (powered from LDO2), SPKVDDL = SPKVDDR = 4.2V, TA = +25ºC, 1kHz sinusoid signal, fs = 48kHz, PGA gain = 0dB, 24-bit audio data unless otherwise stated. PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT DAC to Speaker Output (SPKOUTLP+SPKOUTLN, SPKOUTRP+SPKOUTRN, Load = 8 , 22µH, BTL) Maximum output power PO SPKVDD = 5.0V, 1% THD+N 1.4 W SPKVDD = 4.2V, 1% THD+N 1.0 SPKVDD = 3.6V, 1% THD+N 0.7 Signal to Noise Ratio SNR A-weighted, Output signal = 2.83Vrms 127 dB Dynamic Range DR A-weighted, -60dBFS input 90 101 dB Total Harmonic Distortion THD PO = 1.0W -40 dB Total Harmonic Distortion + Noise THD+N PO = 1.0W -40 dB Total Harmonic Distortion THD PO = 0.5W -70 -59 dB Total Harmonic Distortion + Noise THD+N PO = 0.5W -69 dB Channel separation (Left/Right) 100Hz to 10kHz 80 dB Output noise floor A-weighted 0.7 µVRMS PSRR (DBVDDn, LDOVDD, CPVDD1, AVDD) PSRR 100mV (peak-peak) 217Hz 100 dB 100mV (peak-peak) 10kHz 80 PSRR (SPKVDDL, SPKVDDR) PSRR 100mV (peak-peak) 217Hz 100 dB 100mV (peak-peak) 10kHz 95 DAC to Speaker Output (SPKOUTLP+SPKOUTLN, SPKOUTRP+SPKOUTRN, Load = 4 , 15µH, BTL) Maximum output power PO SPKVDD = 5.0V, 1% THD+N 2.5 W SPKVDD = 4.2V, 1% THD+N 1.8 SPKVDD = 3.6V, 1% THD+N 1.3 Signal to Noise Ratio SNR A-weighted, Output signal = 2.83Vrms 127 dB Dynamic Range DR A-weighted, -60dBFS input 95 dB Total Harmonic Distortion THD PO = 1.0W -40 dB Total Harmonic Distortion + Noise THD+N PO = 1.0W -40 dB Total Harmonic Distortion THD PO = 0.5W -70 dB Total Harmonic Distortion + Noise THD+N PO = 0.5W -69 dB Channel separation (Left/Right) 100Hz to 10kHz 80 dB Output noise floor A-weighted 0.7 µVRMS PSRR (DBVDDn, LDOVDD, CPVDD1, AVDD) PSRR 100mV (peak-peak) 217Hz 100 dB 100mV (peak-peak) 10kHz 80 PSRR (SPKVDDL, SPKVDDR) PSRR 100mV (peak-peak) 217Hz 100 dB 100mV (peak-peak) 10kHz 95 |
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