參數(shù)資料
型號(hào)： AK4122
廠商： Electronic Theatre Controls, Inc.
英文描述： 24 BIT 96KHZ SRC WITH DIR
中文描述： 24位96kHz Src與迪爾
文件頁(yè)數(shù)： 50/54頁(yè)
文件大?。?/td> 403K
代理商： AK4122
ASAHI KASEI
[AK4122]
MS0267-E-03
2004/08
- 50 -
1.
Grounding and Power Supply Decoupling
The AK4122 requires careful attention to power supply and grounding arrangements. Alternatively if AVDD and DVDD
are supplied separately, the power up sequence is not critical.
AVSS, BVSS and DVSS of the AK4122 must be
connected to analog ground plane.
System analog ground and digital ground should be connected together near to where
the supplies are brought onto the printed circuit board. Decoupling capacitors should be as near to the AK4122 as possible,
with the small value ceramic capacitor being the nearest.
2.
PLL Loop-Filter
The C1 (2.2
μ
F) and R1 (470
) should be connected in series and attached between FILT pin and AVSS in parallel with C2
(2.2nF). Please be careful the noise onto the FILT pin.
AK4122
FILT
C1
R1
AVSS
C2
Parameter
R1
C1
C2
Note: The accuracy includes temperature dependence.
Figure 30. Loop Filter for SRC
Recommended value
470
2.2
μ
F
2.2nF
Accuracy
5%
～
+5%
50%
～
+50%
50%
～
+50%
The R2 (12k
) should be connected in series and attached between R pin and AVSS. Please be careful the noise onto the R
pin.
AK4122
R
R2
AVSS
Parameter
R2
Note: The accuracy includes temperature dependence.
Figure 31. Loop Filter for DIR
Recommended value
12k
Accuracy
5%
～
+5%
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK4122_1 制造商:AKM 制造商全稱:AKM 功能描述:24-Bit 96kHz SRC with DIR
AK4122A 制造商:AKM 制造商全稱:AKM 功能描述:24-Bit 96kHz SRC with DIR
AK4122AVQ 制造商:AKM 制造商全稱:AKM 功能描述:24-Bit 96kHz SRC with DIR
AK4122AVQP-L 制造商:Asahi Kasei Microsystems Co Ltd 功能描述:SRC + DIR
AK4122VQ 制造商:AKM 制造商全稱:AKM 功能描述:24-Bit 96kHz SRC with DIR
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