參數(shù)資料
型號(hào): AK4646EZ
廠商: ASAHI KASEI POWER DEVICES CORP
元件分類: 消費(fèi)家電
英文描述: Stereo CODEC with MIC/SPK-AMP
中文描述: SPECIALTY CONSUMER CIRCUIT, PQCC32
封裝: 4 X 4 MM, 0.40 MM PITCH, LEAD FREE, PLASTIC, QFN-32
文件頁(yè)數(shù): 48/78頁(yè)
文件大小: 808K
代理商: AK4646EZ
[AK4646EZ]
MS0630-E-00
2007/06
- 48 -
[Stereo Line Output Control Sequence (in case of using Pop Reduction Circuit)]
(2)
P M LO bit
LO P S bit
LO U T , R O U T pins
(1)
N orm al O utput
(3)
(4)
(5)
(6)
300 m s
300 m s
Figure 33. Stereo Line Output Control Sequence (in case of using Pop Reduction Circuit)
(1)
Set LOPS bit = “1”. Stereo line output enters the power-save mode.
(2)
Set PMLO bit = “1”. Stereo line output exits the power-down mode.
LOUT and ROUT pins rise up to VCOM voltage. Rise time is 200ms (max 300ms) at C=1
μ
F.
(3)
Set LOPS bit = “0” after LOUT and ROUT pins rise up. Stereo line output exits the power-save mode.
Stereo line output is enabled.
(4)
Set LOPS bit = “1”. Stereo line output enters power-save mode.
(5)
Set PMLO bit = “0”. Stereo line output enters power-down mode.
LOUT and ROUT pins fall down to AVSS. Fall time is 200ms (max 300ms) at C=1
μ
F.
(6)
Set LOPS bit = “0” after LOUT and ROUT pins fall down. Stereo line output exits the power-save mode.
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