參數(shù)資料
型號: AK4671EG
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: Stereo CODEC with MIC/RCV/HP-AMP
中文描述: 立體聲編解碼器麥克風(fēng)/垃圾車/惠普腺苷
文件頁數(shù): 81/164頁
文件大小: 1792K
代理商: AK4671EG
[AK4671]
MS0666-E-00
2007/10
- 81 -
Analog Mixing: Single-ended Input (LIN1/RIN1/LIN2/RIN2/LIN3/RIN3/LIN4/RIN4 pins)
AK4671 supports analog mixing function from each line input to each line output (
Figure 64
).
When the analog mixing is used, A/D converter is also available if PMADL or PMADR bit is “1”. When
PMAINL1=PMAINR1=PMAINL2=PMAINR2=PMAINL3=PMAINR3=PMAINL4=PMAINR4=PMMICL=PMMICR
bits = “1”, the input resistance of LIN1/RIN1/LIN2/RIN2/LIN3/RIN3/LIN4/RIN4 pins becomes 25k
Ω
(typ) at
MGNL/R0 bits = “0” and 20k
Ω
(typ) at MGNL/R0 bits = “1”, respectively.
L1G1-0, L2G1-0, L3G1-0, L4G1-0 and LPG1-0 bits adjust the gain for each path (
Table 60
,
Table 61
,
Table 62
,
Table 63
,
Table 64
).
AK4671
LIN1/IN1+ pin
ADC Lch
RIN1/IN1
pin
INL4-0 bits
MDIF1 bit
MDIF3 bit
LIN2/IN2+ pin
ADC Rch
RIN2/IN2
pin
INR4-0 bits
MDIF2 bit
MDIF4 bit
LIN3/IN3+ pin
RIN3/IN3
pin
MIC-Amp Lch
MIC-Amp Rch
P
P
P
P
P
P
LIN4/IN4+ pin
RIN4/IN4
pin
P
P
P
P
Figure 56, 57, 59, 60
Figure 62, 63
Figure 66, 67, 69, 70
LOUT1 pin
ROUT1 pin
LOUT2 pin
ROUT2 pin
LOUT3 pin
ROUT3 pin
Figure 64. Analog Mixing Circuit
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