參數(shù)資料
型號(hào)： AK4342
廠商： Asahi Kasei Microsystems Co.,Ltd
英文描述： 24-Bit Stereo DAC with HP-AMP & 2V Line-Out
中文描述： 24位立體聲DAC惠普腺苷
文件頁(yè)數(shù)： 20/43頁(yè)
文件大?。?/td> 580K
代理商： AK4342
ASAHI KASEI
[AK4342]
MS0506-E-02
2006/07
- 20 -
Digital Volume
The AK4342 includes channel independent digital output volumes (ATT) with 256 levels at linear step including MUTE.
These volumes are in front of the DAC and can attenuate the input data from 0dB to –48dB and mute. Changing levels are
executed via soft changes without any pop noise. The transition time of 1 level and all 256 levels is shown in Table 7.
At DATTC bit = “1”, ATTL7-0 bits control both Lch and Rch attenuation level, while register values of ATTL7-0 bits are
not written to ATTR7-0 bits. At DATTC bit = “0”, ATTL7-0 bits control Lch level and ATTR7-0 bits control Rch level.
ATTL7-0 bits
ATTR7-0 bits
FFH
20 log
10
(ATT_DATA / 255)
01H
00H
Table 6. Digital Volume Gain Table
ATT (dB)
Default
Mute
Transition Time
1 Level
1LRCK
2LRCK
4LRCK
2LRCK
4LRCK
8LRCK
4LRCK
8LRCK
16LRCK
8LRCK
16LRCK
32LRCK
STS1 bit
STS0 bit
Sampling Speed
255 to 0
255LRCK
510LRCK
1020LRCK
510LRCK
1020LRCK
2040LRCK
1020LRCK
2040LRCK
4080LRCK
2040LRCK
4080LRCK
8160LRCK
Half Speed Mode
Normal Speed Mode
Double Speed Mode
Half Speed Mode
Normal Speed Mode
Double Speed Mode
Half Speed Mode
Normal Speed Mode
Double Speed Mode
Half Speed Mode
Normal Speed Mode
Double Speed Mode
Table 7. Transition Time for Digital Volume
0
0
Default
0
1
1
0
1
1
相關(guān)PDF資料
PDF描述
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK4342EN 制造商:AKM 制造商全稱(chēng):AKM 功能描述:24-Bit Stereo DAC with HP-AMP & 2V Line-Out
AK4342EN-L 制造商:ASAHI 功能描述:
AK4342ENP-L 制造商:Asahi Kasei Microsystems Co Ltd 功能描述:
AK4343 制造商:AKM 制造商全稱(chēng):AKM 功能描述:Stereo DAC with built-in HP/RCV/SPK amplifier
AK434-3 功能描述:CABLE CENTRONICS F-F 3M RoHS:否 類(lèi)別:電纜組件 >> D形，Centronics 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 配置:VHDCI 68 位置公型至公型 長(zhǎng)度:10.00'（3.05m） 纜線類(lèi)型:圓形 - 黑色 屏蔽:屏蔽 樣式:SCSI Ultra 2
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