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WM8352 Datasheet(PDF) 27 Page - Wolfson Microelectronics plc |
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WM8352 Datasheet(HTML) 27 Page - Wolfson Microelectronics plc |
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27 / 336 page  Production Data WM8352 w PD, February 2011, Rev 4.4 27 9 TYPICAL PERFORMANCE DATA 9.1 AUDIO CODEC Typical THD+N performance of the Headphone Drivers is shown below for 16 Ω and 32Ω headphone loads. These graphs are derived whilst using the WM8352 Power Management to generate the power supply rails for the audio CODEC. The supply conditions are as follows: AVDD = HPVDD = 3.0V, generated by WM8352 LDO1 DCVDD = DBVDD = 1.8V, generated by WM8352 DC-DC6 AC coupled headphone (16 Ohm Load) AVDD=HPVDD=3.0V (WM8352 - LDO1) DCVDD=DBVDD=1.8V (WM8352 - DCDC6) -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 0 5 10 15 20 25 30 35 Output Power (mW) THD+N Amplitude (dBV) AC coupled Headphone (32 Ohm Load) AVDD=HPVDD=3.0V (WM8352 - LDO1) DCVDD=DBVDD=1.8V (WM8352 - DCDC6) -100 -90 -80 -70 -60 -50 -40 -30 -20 -10 0 0 5 10 15 20 25 30 Output Power (mW) THD+N Amplitude (dBV) |
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