參數(shù)資料
型號(hào): WM8768
廠商: Wolfson Microelectronics
英文描述: 24-bit, 192kHz 8-Channel DAC
中文描述: 24位,192kHz的8通道DAC
文件頁數(shù): 23/38頁
文件大?。?/td> 393K
代理商: WM8768
Production Data
WM8768
w
PD Rev 4.1 March 2005
23
SOFTMUTE
The digital muting function used in Software and Hardware mode applies a softmute with the
operating characteristics shown in Figure 19.
Figure 19 Soft Mute Operation
When the softmute is applied the output of the device will decay towards V
MID
with a time constant of
approximately 64 input samples. When the mute is released, either manually or automatically by the
chip, the output will restart immediately from the current input sample.
ANALOGUE MUTE
Analogue mute can only be used in software mode and will cause the output of the selected DAC to
perform an analogue mute that clamps the output of the DAC to VMID. This function is dependent in
the IZD bit which is described in section INFINITE ZERO DETECT, later.
-2.5
-2
-1.5
-1
-0.5
0
0.5
1
1.5
0
0.001
0.002
0.003
0.004
0.005
0.006
Time(s)
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