參數(shù)資料
型號: AK4673EG
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: Stereo CODEC with MIC/HP-AMP and Touch Screen Controller
中文描述: 立體聲編解碼器麥克風/惠普- AMP及觸摸屏控制器
文件頁數(shù): 67/107頁
文件大?。?/td> 1171K
代理商: AK4673EG
[AK4673]
MS0670-E-00
2007/09
- 67 -
HPL pin
HPR pin
Headphone
AK4673
Another
HP-Amp
Figure 57. Wired OR with External HP-Amp
<Analog Mixing Circuit for Headphone Output>
When AIN3 bit = “0”, DACH, MINH, LINH2, RINH2, LINH4 and RINH4 bits controls each path switch.
MIN path mixing gain is
20dB(typ)@HPG bit = “0” when the external input resistance is 20k
Ω
.
LIN2, RIN2, LIN4, RIN4 and DAC pathes mixing gain is 0dB(typ)@HPG bit = “0”.
LIN4 pin
0dB
M
I
X
LINH4 bit
MIN pin
20dB
MINH bit
0dB
DACH bit
DAC Lch
HPL pin
LIN2 pin
0dB
LINH2 bit
Figure 58. HPL Mixing Circuit (AIN3 bit = “0”, HPG bit = “0”)
RIN4 pin
0dB
M
I
X
RINH4 bit
MIN pin
MINH bit
0dB
DACH bit
DAC Rch
HPR pin
RIN2 pin
0dB
RINH2 bit
20dB
Figure 59. HPR Mixing Circuit (AIN3 bit = “0”, HPG bit = “0”)
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