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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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WM8960GEFL/V датащи(PDF) 7 Page - Wolfson Microelectronics plc |
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WM8960GEFL/V датащи(HTML) 7 Page - Wolfson Microelectronics plc |
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7 / 88 page  Preliminary Technical Data WM8960 w PTD, September 2006, Rev 2.0 7 Test Conditions DCVDD = 1.8V, DBVDD = 3.3V, AVDD = SPKVDD1 = SPKVDD2 = 3.3V, TA = +25 oC, 1kHz signal, fs = 48kHz, PGA gain = 0dB, 24-bit audio data unless otherwise stated. PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Analogue Inputs (LINPUT2, RINPUT2, LINPUT3, RINPUT3) to ADC out AVDD = 3.3V 94 Signal to Noise Ratio (A-weighted) SNR AVDD = 2.7V 93 dB -3dBFs input, AVDD = 3.3V -86 0.005 Total Harmonic Distortion Plus Noise THD+N -3dBFs input, AVDD = 2.7V -80 dB % -3dBFs input, AVDD = 3.3V -89 Total Harmonic Distortion THD -3dBFs input, AVDD = 2.7V TBD dB % 1kHz full scale signal into ADC via L/RINPUT1, MIC amp (single-ended) and boost 90 dB 1kHz full scale signal into ADC via L/RINPUT1/2, MIC amp (pseudo- differential) and boost 90 dB 1kHz full scale signal into ADC via L/RINPUT2 and boost 90 dB ADC Channel Separation 1kHz full scale signal into ADC via L/RINPUT3 and boost 90 dB Single-ended MIC input on L/RINPUT1 90 dB Line Input / MIC Separation (Quiescent input to ADC via boost; Output on ADC; 1kHz on L/RINPUT3 to HP out via bypass path) Differential MIC input using L/RINPUT2 90 dB 1kHz on LINPUT2 to ADC via boost only 90 dB Boost / Bypass Separation (Quiescent L/RINPUT3 to HP outputs via bypass) 1kHz on LINPUT1 to ADC via single-ended MIC PGA & boost 90 dB Channel Matching 1kHz signal 0.2 dB Headphone Outputs (HP_L, HP_R) 0dB Full scale output voltage AVDD/3.3 Vrms Mute attenuation 1kHz, full scale signal 90 dB Channel Separation L/RINPUT3 to headphone outputs via bypass 85 dB DAC to Line-Out (HP_L, HP_R or OUT3 with 10k Ω Ω Ω Ω / 50pF load) AVDD=3.3V 99 Signal to Noise Ratio (A-weighted) SNR AVDD=2.7V 98 dB AVDD=3.3V -85 Total Harmonic Distortion Plus Noise THD+N AVDD=2.7V -90 dB AVDD=3.3V -87 Total Harmonic Distortion THD AVDD=2.7V -92 dB Channel Separation 1kHz full scale signal 110 dB |
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