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參數(shù)資料
| 型號： | AK4367VN |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | Low Power 24-Bit 2ch DAC with HP-AMP & Output Mixer |
| 中文描述： | 低功耗24位2通道DAC，具有惠普腺苷 |
| 文件頁數(shù)： | 23/38頁 |
| 文件大小： | 455K |
| 代理商： | AK4367VN |
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ASAHI KASEI
[AK4367]
MS0247-E-02
2005/10
- 23 -
3) LIN/RIN/MIN
→
HP-amp
Power Supply
PDN pin
PMVCM bit
HPL/R pin
(6)
(6)
(7)
LIN/RIN/MIN pin
(4)
(Hi-Z)
(Hi-Z)
PMHPL/R bit
Don’t care
(1) >150ns
(2) >0
(5) >2ms
MUTEN bit
LINL, MINL,RINR, MINR bit
(3) >0
(5) >0
Figure 19. Power-up/down sequence of LIN/RIN/MIN and HP-amp
(1) PDN pin should be set to “H” at least 150ns after the power is supplied. MCLK, BICK and LRCK can be stopped
when DAC is not used.
(2) PMVCM bit should be changed to “1” after PDN pin goes to “H”.
(3) LINL, MINL, RINR and MINR bits should be changed to “1” after PMVCM bit is changed to “1”.
(4) When LINL, MINL, RINR or MINR bit is changed to “1”, LIN, RIN or MIN pin is biased to 0.45 x VDD voltage.
(5) PMHPL, PMHPR and MUTEN bits should be changed to “1” at least 2ms (in case external capacitance at VCOM pin
is 2.2
μ
F) after LINL, MINL, RINR and MINR bits are changed to “1”.
(6) Rise time of headphone amp is determined by external capacitor (C) of MUTET pin. The rise time up to VCOM/2 is
t
r
= 100k x C(typ). When C=1μF, time constant is 100ms(typ).
(7) Fall time of headphone amp is determined by external capacitor (C) of MUTET pin. The fall time down to 0V is t
f
=
200k x C(typ). When C=1μF, time constant is 200ms(typ).
PMHPL, PMHPR, LINL, MINL, RINR and MINR bits should be changed to “0” after HPL and HPR pins go to VSS.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK4367VNP-L | 制造商:Asahi Kasei Microsystems Co Ltd 功能描述: |
| AK4368 | 制造商:AKM 制造商全稱:AKM 功能描述:PLL & HP-AMP DAC |
| AK4368192D | 制造商:ACCUTEK 制造商全稱:ACCUTEK MICROCIRCUIT CORPORATION 功能描述:65,536 x 32 Bit CMOS/BiCMOS Static Random Access Memory |
| AK4368192G | 制造商:ACCUTEK 制造商全稱:ACCUTEK MICROCIRCUIT CORPORATION 功能描述:65,536 x 32 Bit CMOS/BiCMOS Static Random Access Memory |
| AK4368192S | 制造商:ACCUTEK 制造商全稱:ACCUTEK MICROCIRCUIT CORPORATION 功能描述:65,536 x 32 Bit CMOS/BiCMOS Static Random Access Memory |
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