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SC14WAMDECT-SF 数据表(PDF) 21 Page - Dialog Semiconductor |
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SC14WAMDECT-SF 数据表(HTML) 21 Page - Dialog Semiconductor |
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21 / 36 page ![]() Datasheet Revision 3.0 23-Jul-2015 CFR0011-120-00-FM Rev 5 21 of 36 © 2013 Dialog Semiconductor SC14WAMDECT SF Wireless Audio Module FINAL 6.7 AUDIO PERFORMANCE Cp2 Parallel load capacitance see Figure 10 30 pF Cs2 Serial load capacitance 30 F Rl2 Load resistance 600 Table 21: LSRp/LSRn load circuits PARAMETER DESCRIPTION CONDITIONS MIN TYP MAX UNIT Figure 9: Load circuit A: Dynamic loudspeaker RL1 Cp1 LSRp LSRn Figure 10: Load circuit B: Piezo loudspeaker Cs2 LSRp LSRn RL2 Cp2 Table 22: Frequency response PARAMETER DESCRIPTION CONDITIONS MIN TYP MAX UNIT Fco_low Lower cutoff frequency (-3 dB) Input voltage = -20 dBV rms Output voltage: -3 dBV rms 6Hz Fco_upr Upper cutoff frequency (-3 dB 11.3 kHz Table 23: Distortion PARAMETER DESCRIPTION CONDITIONS MIN TYP MAX UNIT THD Total Harmonic Distor- tion PA mode; PP: Vin = -30 dBV; measured on FP f = 200 Hz, volume step 1 0.5 % f = 200 Hz, volume step 9 1.0 % f = 2 kHz, volume step 1 0.03 % f = 2 kHz, volume step 9 0.09 % |
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