參數(shù)資料
型號(hào): AK4648EC
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: Stereo CODEC with MIC/HP/SPK-AMP
中文描述: 立體聲編解碼器麥克風(fēng)/惠普/胰腎聯(lián)合移植腺苷
文件頁數(shù): 80/119頁
文件大?。?/td> 1272K
代理商: AK4648EC
[AK4648]
MS0625-E-01
2007/06
- 80 -
2. Mono SPK Mode & High Power Mono SPK Mode (SPKMN bit = “0”)
DACS, MINS, LINS2, RINS2, LINS3, RINS3, LINS4, RINS4, MICL3, and MICR3 bits control each path switch. MIN
path mixing gain is +4.43dB(typ.)@SPKG2-0 bits = “000” & ALC bit = “0” when AIN3 bit is “0” and the external input
resistance is 20k
Ω
. DACS, LINS2, RINS2, LINS3, RINS3, LINS4, RINS4, MICL3, and MICR3 paths mixing gain is
–1.59dB(typ.) @ SPKG2-0 bits = “000” & ALC bit = “0”.
LIN4 pin
-1.59dB
LINS4 bit
LIN3/MIN pin
-1.59dB
LINS3 bit
DACS bit
MICL3 bit
LIN1 pin
MIC-Amp Lch
DAC Rch
LIN2 pin
-1.59dB
LINS2 bit
RIN4 pin
RINS4 bit
RIN3/VCOM pin
RINS3 bit
MICR3 bit
RIN1 pin
MIC-Amp Rch
RIN2 pin
RINS2 bit
MINS bit
AIN3 bit
AIN3 bit
VCOC
RIN3
MIN
LIN3
M
I
X
SPLP/N pin
or
SPRP/N pin
-1.59dB
DACS bit
DAC Lch
+4.43dB
-1.59dB
-1.59dB
-1.59dB
-1.59dB
Note: When MICL3 bit is set to “1”, MIN path is not available.
Figure 59. Speaker Mixing Circuit (SPKMN bit = “0”, SPKG2-0 bits = “000”, ALC bit = “0”)
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