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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) 19 Page - Cirrus Logic |
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CS47L85 датащи(HTML) 19 Page - Cirrus Logic |
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19 / 370 page  CS47L85 Rev 4.3 19 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 Analogue Input Paths (INnL, INnR) to ADC (Differential Input Mode) Signal to Noise Ratio (A-weighted) SNR 48kHz sample rate 93 100 dB 16kHz sample rate, (wideband voice) 106 Total Harmonic Distortion THD -1dBV input -89 -81 dB Total Harmonic Distortion + Noise THD+N -1dBV input -88 dB Channel separation (Left/Right) 100Hz to 10kHz 100 dB Input-referred noise floor A-weighted, PGA gain = +20dB 3.2 µVRMS Common mode rejection ratio CMRR PGA gain = +30dB 80 dB PGA gain = 0dB 70 PSRR (DBVDDn, LDOVDD, CPVDD1, AVDD) PSRR 100mV (peak-peak) 217Hz 90 dB 100mV (peak-peak) 10kHz 80 PSRR (SPKVDDL, SPKVDDR) PSRR 100mV (peak-peak) 217Hz 100 dB 100mV (peak-peak) 10kHz 80 Analogue Input Paths (INnLP, INnRP) to ADC (Single-Ended Input Mode) Signal to Noise Ratio (A-weighted) SNR 48kHz sample rate 91 100 dB 16kHz sample rate, (wideband voice) 102 Total Harmonic Distortion THD -7dBV input -85 -78 dB Total Harmonic Distortion + Noise THD+N -7dBV input -84 dB Channel separation (Left/Right) 100Hz to 10kHz 100 dB Input-referred noise floor A-weighted, PGA gain = +20dB 4 µVRMS PSRR (DBVDDn, LDOVDD, CPVDD1, AVDD) PSRR 100mV (peak-peak) 217Hz 77 dB 100mV (peak-peak) 10kHz 50 PSRR (SPKVDDL, SPKVDDR) PSRR 100mV (peak-peak) 217Hz 90 dB 100mV (peak-peak) 10kHz 50 |
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