參數(shù)資料
型號: AK4631
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16-Bit Mono CODEC with ALC & MIC/SPK-AMP
中文描述: 16位單聲道編解碼器ALC的
文件頁數(shù): 38/69頁
文件大小: 568K
代理商: AK4631
ASAHI KASEI
[AK4631]
MS0317-J-01
2004/11
- 38 -
SPP
SPK-Amp
SPN
10
10
ZD
ZD
Figure 34. SPK
(
)
PMSPK bit
“0”
PMSPK bit
SPP pin
(MOUT, ALC2, SPK-AMP)
Hi-Z
Power-up/down
PMSPK bit
MOUT, SPP, SPN pin
“1”
SPPS bit
SVDD/2
“0”
Hi-Z
SPN pin
PDN pin
“L”
“H”
PMSPK bit
SPN pin
“1”
SVDD/2
Power-down
SPP, SPN pin
SPP pin
Hi-Z
(PMSPK bit=“0”)
PMSPK bit
SPPS bit
SPP pin
SPN pin
SVDD/2
SVDD/2
Hi-Z
Hi-Z
Hi-Z
Hi-Z
>t1(Note)
>0
Figure 35. Power-up/Power-down Timing for Speaker-Amp
(Note)
“t1”
MIN-Amp (ALC2)
Ex) MOUT pin – MIN pin
fc = 66Hz@Rin=24k
(typ), 133Hz@Rin=12k
(min), 44Hz@Rin=36k
(max)
MIN pin
MOUT pin – MIN pin
SPK-Amp
Enable
=0.1
μ
F, MIN pin
36k
(Max)
(Rin)
: t1 = 5
τ
= 18ms
HPF
MOUT pin – MIN pin
(fc)
MIN pin
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