Production Data
WM8711BL
HEADPHONE SNR VS AVDD
24-bit data; DCVDD=1.5V; DBVDD=1.8V; Load=32Ohm; fs=44.1kHz; Output=-5dBFS (sine)
SNR vs AVDD (DAC Playback to Headphone)
99
98
97
96
95
94
93
92
91
90
1.5
2
2.5
3
3.5
4
AVDD = HPVDD (V)
ANALOGUE SUPPLY CURRENT VS AVDD
24-bit data; DCVDD=1.5V; DBVDD=1.8V; Load=16Ohm; fs=44.1kHz; Output=quiescent
Supply Current vs AVDD (DAC Playback to Headphone)
4
3.5
3
2.5
2
1.5
1
1.5
2
2.5
3
3.5
4
AVDD = HPVDD (V)
PD, Rev 4.1, April 2007
9
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