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參數(shù)資料
| 型號(hào)： | AK4357VQ |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | 192kHz 24-Bit 6ch DAC with DSD Input |
| 中文描述： | 192kHz的24位6通道DAC，具有DSD輸入 |
| 文件頁數(shù)： | 14/27頁 |
| 文件大?。?/td> | 195K |
| 代理商： | AK4357VQ |
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ASAHI KASEI
[AK4357]
MS0088-E-02
2002/07
- 14 -
n
De-emphasis Filter
A digital de-emphasis filter is available for 32, 44.1 or 48kHz sampling rates (tc = 50/15μs) and is enabled or disabled with
DEM0 and DEM1. In case of double speed and quad speed mode, the digital de-emphasis filter is always off. When DSD
mode, DEM0-1 is invalid.
DEM1
DEM0
Mode
0
0
1
1
0
1
0
1
44.1kHz
OFF
48kHz
32kHz
Default
Table 8. De-emphasis Filter Control (Normal Speed Mode)
n
Output Volume
The AK4357 includes channel independent digital output volumes (ATT) with 128 levels at 0.5dB steps including MUTE.
These volumes are in front of the DAC and can attenuate the input data from 0dB to –63dB and mute. Transition time is set
by AST1-0 bits(Table12) When changing levels, transitions are executed via soft changes; thus no switching noise occurs
during these transitions.
ATT7-0
Attenuation Level
FFH
0dB
FEH
-0.5dB
FDH
-1.0dB
:
82H
-62.5dB
81H
-63.0dB
80H
MUTE (-
∞
)
:
02H
MUTE (-
∞
)
01H
MUTE (-
∞
)
00H
MUTE (-
∞
)
Table 11. Attenuation Level of Output Volume
Mode
ATS1
ATS0
0
0
0
1
0
1
2
1
0
3
1
1
Table 12. Transition time of output volume
In case Mode0, it takes 1792/fs to transit from FFH(0dB) to 80H(MUTE). In case Mode1, it takes 896/fs to transit from
FFH(0dB) to 80H(MUTE). In case Mode2 and 3,it takes 256/fs to transit from FFH(0dB) to 80H (MUTE). If PDN pin goes to
“L”, ATT7-0 registers are initialized to FFH.ATTN7-0 registers go to FFH when RSTN bit is set to “0”. When RSTN bit
returns to “1”, ATT7-0 registers go to the set value. Digital output volume function is independent of soft mute function.
The setting value of the register is held when switching between PCM mode and DSD mode.
:
:
Default
ATT speed
1792/fs
896/fs
256/fs
256/fs
Default
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AK4358 | 192 KHZ 24 BIT 8 CH DAC WITH DSD INPUT |
| AKD4358 | Circular Connector; No. of Contacts:22; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:12; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:12-35 RoHS Compliant: No |
| AK4358VQ | 192 KHZ 24 BIT 8 CH DAC WITH DSD INPUT |
| AK4359 | 192 KHZ 24 BIT 8CH DAC |
| AKD4359 | Circular Connector; No. of Contacts:22; Series:MS27484; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:12; Circular Contact Gender:Pin; Circular Shell Style:Straight Plug; Insert Arrangement:12-35 RoHS Compliant: No |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK4358 | 制造商:AKM 制造商全稱:AKM 功能描述:digital audio interface that can interface with digital audio systems via opt-connector or RCA connector |
| AK4358_06 | 制造商:AKM 制造商全稱:AKM 功能描述:192kHz 24-Bit 8ch DAC with DSD Input |
| AK4358VQ | 制造商:AKM 制造商全稱:AKM 功能描述:192kHz 24-Bit 8ch DAC with DSD Input |
| AK4358VQP-L | 功能描述:IC DAC 24BIT SERIAL 48LQFP RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)模轉(zhuǎn)換器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 設(shè)置時(shí)間:4µs 位數(shù):12 數(shù)據(jù)接口:串行 轉(zhuǎn)換器數(shù)目:2 電壓電源:單電源 功率耗散（最大）:- 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP，8-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:8-uMAX 包裝:管件 輸出數(shù)目和類型:2 電壓，單極 采樣率（每秒）:* 產(chǎn)品目錄頁面:1398 (CN2011-ZH PDF) |
| AK4359 | 制造商:AKM 制造商全稱:AKM 功能描述:192 KHZ 24 BIT 8CH DAC |
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