參數(shù)資料
型號: AK4564VQ
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16BIT CODEC WITH BUILT-IN ALC AND MIC/HP/SPK-AMP
中文描述: 16位編解碼器,配有ALC和麥克風/惠普/胰腎聯(lián)合移植腺苷
文件頁數(shù): 36/48頁
文件大?。?/td> 382K
代理商: AK4564VQ
ASAHI KASEI
[AK4564]
MS0140-E-01
2002/07
- 36 -
Mode
Control
Addr
03H
Register Name
Mode Control
Default
D7
D6
D5
D4
D3
DIF1
0
D2
DIF0
0
D1
D0
VOL2-1 VOL2-0 VOL1-1 VOL1-0
0
1
DEM1
0
DEM0
1
0
1
DEM1-0: Select De-emphasis Frequency
The AK4564 includes the digital de-emphasis filter (tc = 50/15
μ
s) by IIR filter. The filter
corresponds to three sampling frequencies (32kHz, 44.1kHz and 48kHz). The de-emphasis filter
selected by DEM0 and DEM1 registers are enabled for input audio data.
DEM1
DEM0
0
0
0
1
1
0
1
1
Table 6. De-emphasis Frequencies
Mode
44.1kHz
OFF
48kHz
32kHz
Default
DIF1-0: Select Audio Data Format
No.
DIF1 bit
0
0
1
0
2
1
3
1
DIF0 bit
0
1
0
1
SDTO(ADC)
MSB justified
LSB justified
MSB justified
I
2
S compatible
Table 7. Audio Data Format
SDTI(DAC)
LSB justified
LSB justified
MSB justified
I
2
S compatible
BCLK
32fs
= 64fs
32fs
32fs
Figure
Figure 8
Figure 9
Figure 10
Figure 11
Default
VOL1: LOUT1/ROUT1 output volume setting
VOL2: LOUT1/ROUT1 output volume setting
The Power supply voltage for LINEOUT-Amp is supplied from HVDD pin. The output level of
LINEOUT is constant regardless of HVDD voltage. When the output voltage of HVDD pin is
low, the distortion of LINEOUT degrades.
VOL2-1
VOL1-1
VOL1-0
0
0
+7.1dB
0
1
+6.5dB
1
0
+5.9dB
1
1
0dB
Table 8. LINEOUT volume setting
VOL2-0
GAIN
AVDD Voltage
LINEOUT
2.6V
2.8V
3.0V
2.8V
+2dBV
+2dBV
+2dBV
-4.5dBV
Default
相關PDF資料
PDF描述
AKD4564 16BIT CODEC WITH BUILT-IN ALC AND MIC/HP/SPK-AMP
AK4565 LOW POWER 20BIT CODEC WITH BUILT IN ALC
AK4565VF LOW POWER 20BIT CODEC WITH BUILT IN ALC
AK4566 20bit Stereo CODEC with built-in IPGA & HP-AMP
AK4566VN 20bit Stereo CODEC with built-in IPGA & HP-AMP
相關代理商/技術參數(shù)
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AK4565 制造商:AKM 制造商全稱:AKM 功能描述:LOW POWER 20BIT CODEC WITH BUILT IN ALC
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