參數(shù)資料
型號(hào): AK4665AEN
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 20-Bit Stereo CODEC with MIC/HP-AMP
中文描述: 20位立體聲編解碼器麥克風(fēng)/惠普腺苷
文件頁(yè)數(shù): 26/52頁(yè)
文件大?。?/td> 541K
代理商: AK4665AEN
ASAHI KASEI
[AK4665A]
MS0440-E-01
2006/05
- 26 -
De-emphasis Filter (DEM)
The AK4665A includes a digital de-emphasis filter (tc = 50/15
μ
s) by IIR filter corresponding to three sampling
frequencies (32kHz, 44.1kHz and 48kHz). The de-emphasis filter is enabled by setting DEM1-0 bits (Table 21).
DEM1
DEM0
De-emphasis
0
0
0
1
1
0
1
1
Table 21. De-emphasis Control
Bass Boost Function (BOOST)
By controlling BST1-0 bits, the bass boost signal can be output from DAC. The setting value is common in Lch and Rch
(Table 22). The frequency of bass boost filter scales sampling frequency.
BST1
BST0
0
0
0
1
1
0
1
1
Table 22. Bass Boost
44.1kHz
OFF
48kHz
32kHz
Default
BOOST
OFF
MIN
MID
MAX
Default
Boost Filter (fs=44.1kHz)
-5
0
5
10
15
20
10
100
1000
10000
Frequency [Hz]
L
MAX
MID
MIN
Figure 16. Bass Boost Frequency (fs=44.1kHz)
相關(guān)PDF資料
PDF描述
AK4671 Stereo CODEC with MIC/RCV/HP-AMP
AK4671EG Stereo CODEC with MIC/RCV/HP-AMP
AK4673 Stereo CODEC with MIC/HP-AMP and Touch Screen Controller
AK4673EG Stereo CODEC with MIC/HP-AMP and Touch Screen Controller
AK4682 Multi-channel CODEC with 2Vrms Stereo Selector
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK4666VQ 功能描述:IC CODEC STEREO 20BIT LQFP 制造商:akm semiconductor inc. 系列:* 零件狀態(tài):上次購(gòu)買時(shí)間 標(biāo)準(zhǔn)包裝:1,000
AK4671 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/RCV/HP-AMP
AK4671_10 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/RCV/HP-AMP
AK4671EG 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/RCV/HP-AMP
AK4673 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/HP-AMP and Touch Screen Controller