參數(shù)資料
型號： AK4706VQ
廠商： ASAHI KASEI POWER DEVICES CORP
元件分類： DAC
英文描述： 2ch 24bit DAC with AV Switch & HD/SD Video Filter
中文描述： SERIAL INPUT LOADING, 24-BIT DAC, PQFP64
封裝： 0.50 MM PITCH, LEAD FREE, PLASTIC, LQFP-64
文件頁數(shù)： 26/53頁
文件大?。?/td> 597K
代理商： AK4706VQ
ASAHI KASEI
[AK4706]
MS0507-E-00
2006/05
- 26 -
De-emphasis filter (00H: D7-D6)
A digital de-emphasis filter is available for 32, 44.1 or 48kHz sampling rates (tc = 50/15μs) and is controlled by the
DEM0 and DEM1 bits.
DEM1
DEM0
Mode
0
0
1
1
Table 6. De-emphasis filter control
0
1
0
1
44.1kHz
OFF
48kHz
32kHz
default
Switch Control
The AK4706 has switch matrixes designed primarily for SCART routing. Those are controlled via the control register as
shown in Table 7, Table 8 and Table 9 (refer to the block diagram).
(01H: D1-D0)
TV1
TV0
Source of TVOUTL/R
0
0
0
1
1
0
1
1
Table 7. TVOUT Switch Configuration
(01H: D2-D0)
VOL
TV1
TV0
0
0
0
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
VCRIN (L+R)/2
1
1
0
1
1
1
Table 8. MONOOUT Switch Configuration
(01H: D5-D4)
VCR1
VCR0
Source of VCROUTL/R
0
0
0
1
1
0
1
1
Output of volume #1
Table 9. VCROUT Switch Configuration
DAC
VCRIN (default)
Mute
(Reserved)
Source of MONOOUT
DAC (L+R)/2
DAC (L+R)/2
DAC (L+R)/2
(Reserved)
DAC (L+R)/2
Bypass the
volume #1
Through the
volume #1
Mute
(Reserved)
DAC
TVIN (default)
Mute
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參數(shù)描述
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