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Datenblatt-Suchmaschine für elektronische Bauteile |
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Datenblatt-Suchmaschine für elektronische Bauteile |
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WM8994ECS/R Datenblatt(PDF) 142 Page - Cirrus Logic |
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WM8994ECS/R Datenblatt(HTML) 142 Page - Cirrus Logic |
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142 / 363 page  WM8994 142 Rev 4.6 SPKOUTL_BOOST[2:0] SPKOUTL_BOOST SPKOUTR_BOOST 000 = 1.00x (+0dB) SPKGNDn SPKVDDn/2 SPKVDDn Signal x BOOST SPKLVOL[6:0] VMID AVDD1 Signal x BOOST is automatically centred around SPKVDDn/2 AVDD1 AGND SPKMIXL SPKVDD1 SPKGND1 Direct Voice SPKOUTLP SPKOUTLN 001 = 1.19x (+1.5dB) 010 = 1.41x (+3.0dB) 100 = 2.00x (+6.0dB) 101 = 2.37x (+7.5dB) 011 = 1.68x (+4.5dB) 110 = 2.81x (+9.0dB) 111 = 3.98x (+12.0dB) -57dB to +6dB, 1dB steps SPKOUTR_BOOST[2:0] SPKRVOL[6:0] AVDD1 AGND SPKMIXR SPKVDD2 SPKGND2 SPKOUTRP SPKOUTRN -57dB to +6dB, 1dB steps AGND Figure 35 Speaker Output Configuration and AC Boost Operation REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION R35 (0023h) SPKMIXR Attenuation 8 SPKOUT_CLASSAB 0 Speaker Class AB Mode Enable 0 = Class D mode 1 = Class AB mode R37 (0025h) ClassD 5:3 SPKOUTL_BOOST [2:0] 000 (1.0x) Left Speaker Gain Boost 000 = 1.00x boost (+0dB) 001 = 1.19x boost (+1.5dB) 010 = 1.41x boost (+3.0dB) 011 = 1.68x boost (+4.5dB) 100 = 2.00x boost (+6.0dB) 101 = 2.37x boost (+7.5dB) 110 = 2.81x boost (+9.0dB) 111 = 3.98x boost (+12.0dB) 2:0 SPKOUTR_BOOST [2:0] 000 (1.0x) Right Speaker Gain Boost 000 = 1.00x boost (+0dB) 001 = 1.19x boost (+1.5dB) 010 = 1.41x boost (+3.0dB) 011 = 1.68x boost (+4.5dB) 100 = 2.00x boost (+6.0dB) 101 = 2.37x boost (+7.5dB) 110 = 2.81x boost (+9.0dB) 111 = 3.98x boost (+12.0dB) |
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