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參數(shù)資料
| 型號(hào)： | AK4370VN |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | 24-Bit 2ch DAC with HP-AMP & Output Mixer |
| 中文描述： | 24位2通道DAC，具有惠普腺苷 |
| 文件頁數(shù)： | 17/49頁 |
| 文件大小： | 695K |
| 代理商： | AK4370VN |
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ASAHI KASEI
[AK4370]
MS0595-E-00
2007/03
- 17 -
The external clocks required to operate the AK4370 in slave mode are MCKI, LRCK and BICK (Figure 12). The master
clock (MCKI) should be synchronized with the sampling clock (LRCK). The phase between these clocks does not matter.
All external clocks (MCKI, BICK and LRCK) should always be present whenever the DAC is in normal operation mode
(PMDAC bit = “1”). If these clocks are not provided, the AK4370 may draw excessive current and will not operate
properly, because it utilizes these clocks for internal dynamic refresh of registers. If the external clocks are not present, the
DAC should be placed in power-down mode (PMDAC bit = “0”).
AK4370
DSP or
μ
P
MCKI
BICK
LRCK
SDATA
BCLK
LRCK
SDTO
1fs
32fs
~
64fs
MCLK
256fs, 384fs, 512fs,
768fs or 1024fs
Figure 12. Slave Mode
Mode
0
1
2
4
5
6
8
9
10
12
13
Others
FS3
0
0
0
0
0
0
1
1
1
1
1
Table 2. Relationship between Sampling Frequency and MCKI Frequency
FS2
0
0
0
1
1
1
0
0
0
1
1
Others
FS1
0
0
1
0
0
1
0
0
1
0
0
FS0
0
1
0
0
1
0
0
1
0
0
1
fs
MCKI
256fs
512fs
1024fs
256fs
512fs
1024fs
256fs
512fs
1024fs
384fs
768fs
N/A
Default
8kHz
～
48kHz
8kHz
～
48kHz
8kHz
～
24kHz
8kHz
～
48kHz
8kHz
～
48kHz
8kHz
～
24kHz
8kHz
～
48kHz
8kHz
～
48kHz
8kHz
～
24kHz
8kHz
～
48kHz
8kHz
～
24kHz
N/A
MCKI pin Refer to Table 2
BICK pin
BF bit = “1”: 64fs output
BF bit = “0”: 32fs output
LRCK pin Output
Master Mode (M/S bit = “1”)
Power Up (PMDAC bit = “1”)
Power Down (PMDAC bit = “0”)
Input or fixed to “L” or “H” externally
“L”
“L”
Table 3. Clock Operation in Master mode
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| AK4380VT | 100dB 24BIT 96kHz 2CH DAC |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK4371 | 制造商:AKM 制造商全稱:AKM 功能描述:24bit DAC with Headphone Amplifier |
| AK4371VN | 制造商:AKM 制造商全稱:AKM 功能描述:DAC with built-in PLL & HP-AMP |
| AK4372 | 制造商:AKM 制造商全稱:AKM 功能描述:DAC with built-in PLL & HP-AMP |
| AK4372ECB | 制造商:AKM 制造商全稱:AKM 功能描述:DAC with built-in PLL & HP-AMP |
| AK4372VCB | 制造商:AKM 制造商全稱:AKM 功能描述:DAC with built-in PLL & HP-AMP |
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