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WM8960 数据表(PDF) 7 Page - Wolfson Microelectronics plc |
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WM8960 数据表(HTML) 7 Page - Wolfson Microelectronics plc |
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7 / 92 page  Production Data WM8960 w PD, August 2013, Rev 4.2 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 Total Harmonic Distortion THD -3dBFs input, AVDD = 3.3V -89 0.004 dB % -3dBFs input, AVDD = 2.7V -81 0.009 Analogue Inputs (LINPUT2, RINPUT2) to ADC out Signal to Noise Ratio (A-weighted) SNR AVDD = 3.3V 84 94 dB AVDD = 2.7V 93 Total Harmonic Distortion Plus Noise THD+N -3dBFs input, AVDD = 3.3V -86 0.005 -80 dB % -3dBFs input, AVDD = 2.7V -80 0.01 Total Harmonic Distortion THD -3dBFs input, AVDD = 3.3V -89 0.004 -80 dB % -3dBFs input, AVDD = 2.7V -81 0.009 Analogue Inputs (LINPUT3, RINPUT3) to ADC out Signal to Noise Ratio (A-weighted) SNR AVDD = 3.3V 94 dB AVDD = 2.7V 93 Total Harmonic Distortion Plus Noise THD+N -3dBFs input, AVDD = 3.3V -86 0.005 dB % -3dBFs input, AVDD = 2.7V -80 0.01 Total Harmonic Distortion THD -3dBFs input, AVDD = 3.3V -89 0.004 dB % -3dBFs input, AVDD = 2.7V -81 0.009 Analogue Inputs (LINPUT1, RINPUT1, LINPUT2, RINPUT2, LINPUT3, RINPUT3) to ADC out ADC Channel Separation 1kHz full scale signal into ADC via L/RINPUT1, MIC amp (single-ended) and boost 95 dB 1kHz full scale signal into ADC via L/RINPUT1/2, MIC amp (pseudo- differential) and boost 85 dB 1kHz full scale signal into ADC via L/RINPUT2 and boost 85 dB 1kHz full scale signal into ADC via L/RINPUT3 and boost 92 dB Line Input / MIC Separation (Quiescent input to ADC via boost; Output on ADC; 1kHz on L/RINPUT3 to HP out via bypass path) Single-ended MIC input on L/RINPUT1 98 dB Differential MIC input using L/RINPUT2 90 dB Boost / Bypass Separation (Quiescent L/RINPUT3 to HP outputs via bypass) 1kHz on LINPUT2 to ADC via boost only 96 dB 1kHz on LINPUT1 to ADC via single-ended MIC PGA & boost 116 dB Channel Matching 1kHz signal 0.2 dB |
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