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WM8983GEFL/V Datasheet(PDF) 9 Page - Wolfson Microelectronics plc |
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WM8983GEFL/V Datasheet(HTML) 9 Page - Wolfson Microelectronics plc |
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9 / 124 page  Production Data WM8983 w PD, Rev 4.3, May 2010 9 Test Conditions DCVDD=1.8V, AVDD1=AVDD2=DBVDD=3.3V, TA = +25 oC, 1kHz signal, fs = 48kHz, 24-bit audio data unless otherwise stated. PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Auxiliary Analogue Inputs (AUXL, AUXR) Full-scale Input Signal Level 2 AVDD/3.3 Vrms Input Resistance Left Input boost and mixer enabled, at +6dB 4.3 k Ω Left Input boost and mixer enabled, at 0dB gain 8.6 k Ω Left Input boost and mixer enabled, at -12dB gain 39.1 k Ω Right Input boost, mixer enabled, at +6dB gain 3 k Ω Right Input boost, mixer enabled, at 0dB gain 6 k Ω Right Input boost, mixer enabled, at -12dB gain 29 k Ω Input Capacitance All analogue Inputs 10 pF Gain range from AUXL and AUXR input to left and right input PGA mixers Gain adjusted by AUXL2BOOSTVOL and AUXR2BOOSTVOL -12 +6 dB AUXLBOOSTVOL and AUXRBOOSTVOL step size 3 dB L2, R2 Line Input Programmable Gain Gain range from L2/R2 input to left and right input PGA mixers Gain adjusted by L2_2BOOSTVOL and R2_2BOOSTVOL -12 +6 dB L2/R2_2BOOSTVOL step size 3 dB L2/R2_2BOOSTVOL mute attenuation 100 dB OUT4 to left or right input boost record path Gain range into left and right input PGA mixers Gain adjusted by OUT4_2ADCVOL -6 +12 dB OUT4_2ADCVOL gain step size 3 dB OUT4_2ADCVOL mute attenuation 100 dB Analogue to Digital Converter (ADC) - Input from LIN/P and RIN/P in differential configuration to input PGA INPPGAVOLL, INPPGAVOLR, PGABOOSTL, PGABOOSTR, ADCLVOL and ADCRVOL = 0dB Signal to Noise Ratio 3 SNR A-weighted AVDD1=AVDD2=3.3V 93 dB A-weighted AVDD1=AVDD2=2.5V 91.5 dB Total Harmonic Distortion 4 THD -12dBV Input AVDD1=AVDD2=3.3V -78 dBFS -12dBV Input AVDD1=AVDD2=2.5V -75 dBFS Total Harmonic Distortion + Noise 5 THD+N -12dBV Input AVDD1=AVDD2=3.3V -75 dBFS -12dBV Input AVDD1=AVDD2=2.5V -72 dBFS Channel Separation 6 1kHz full scale input signal 100 dBFS |
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