Table 14. Base" />
參數(shù)資料
型號： EVAL-ADAU1381Z
廠商： Analog Devices Inc
文件頁數(shù)： 21/84頁
文件大小： 0K
描述： BOARD EVALUATION FOR ADAU1381
標準包裝： 1
主要目的： 音頻編解碼器
嵌入式： 否
已用 IC / 零件： ADAU1381
已供物品： 板
相關產(chǎn)品： ADAU1381BCBZ-RL7DKR-ND - IC AUDIO CODEC STEREO LN 30WLCSP
ADAU1381BCBZ-RL7CT-ND - IC AUDIO CODEC STEREO LN 30WLCSP
ADAU1381BCBZ-RL-ND - IC AUDIO CODEC STEREO LN 30WLCSP
ADAU1381BCPZ-RL7-ND - IC AUDIO CODEC STEREO LN 32LFCSP
ADAU1381BCPZ-RL-ND - IC AUDIO CODEC STEREO LN 32LFCSP
ADAU1381BCBZ-RL7TR-ND - IC AUDIO CODEC STEREO LN 30WLCSP
ADAU1381BCPZ-ND - IC AUDIO CODEC STEREO LN 32LFCSP
ADAU1381
Rev. B | Page 28 of 84
Table 14 and Table 15 list the sampling rate divisions for
common base sampling rates.
Table 14. Base Sampling Rate Divisions for fS = 48 kHz
Base Sampling
Frequency
Sampling Rate Scaling
Sampling Rate
fS = 48 kHz
fS/1
48 kHz
fS/6
8 kHz
fS/4
12 kHz
fS/3
16 kHz
fS/2
24 kHz
fS/1.5
32 kHz
fS/0.5
96 kHz
Table 15. Base Sampling Rate Divisions for fS = 44.1 kHz
Base Sampling
Frequency
Sampling Rate Scaling
Sampling Rate
fS = 44.1 kHz
fS/1
44.1 kHz
fS/6
7.35 kHz
fS/4
11.025 kHz
fS/3
14.7 kHz
fS/2
22.05 kHz
fS/1.5
29.4 kHz
fS/0.5
88.2 kHz
PLL
The PLL uses the MCLK as a reference to generate the core
clock. PLL settings are set in Register 16386 (0x4002), PLL
control. Depending on the MCLK frequency, the PLL must be
set for either integer or fractional mode. The PLL can accept
input frequencies in the range of 11 MHz to 20 MHz.
All six bytes in the PLL control register must be written with a
single continuous write to the control port.
MCKI
÷ X
× (R + N/M)
TO PLL
CLOCK DIVIDER
08
31
3-
02
8
Figure 30. PLL Block Diagram
Integer Mode
Integer mode is used when the MCLK is an integer (R) multiple
of the PLL output (1024 × fS).
For example, if MCLK = 12.288 MHz and fS = 48 kHz, then
PLL Required Output = 1024 × 48 kHz = 49.152 MHz
R = 49.152 MHz/12.288 MHz = 4
In integer mode, the values set for N and M are ignored.
Fractional Mode
Fractional mode is used when the MCLK is a fractional
(R + (N/M)) multiple of the PLL output.
For example, if MCLK = 12 MHz and fS = 48 kHz, then
PLL Required Output = 1024 × 48 kHz = 49.152 MHz
R + (N/M) = 49.152 MHz/12 MHz = 4 + (12/125)
Common fractional PLL parameter settings for 44.1 kHz and
48 kHz sampling rates can be found in Table 16 and Table 17.
Table 16. Fractional PLL Parameter Settings for fS = 44.1 kHz1
MCLK
Input
(MHz)
Input
Divider
(X)
Integer
(R)
Denominator
(M)
Numerator
(N)
12
1
3
625
477
13
1
3
8125
3849
14.4
2
6
125
34
19.2
2
4
125
88
19.68
2
4
1025
604
19.8
2
4
1375
772
1 Desired core clock = 11.2896 MHz, PLL output = 45.1584 MHz.
Table 17. Fractional PLL Parameter Settings for fS = 48 kHz1
MCLK
Input
(MHz)
Input
Divider
(X)
Integer
(R)
Denominator
(M)
Numerator
(N)
12
1
4
125
12
13
1
3
1625
1269
14.4
2
6
75
62
19.2
2
5
25
3
19.68
2
4
205
204
19.8
2
4
825
796
1 Desired core clock = 12.288 MHz, PLL output = 49.152 MHz.
The PLL outputs a clock in the range of 41 MHz to 54 MHz,
which should be taken into account when calculating PLL
values and MCLK frequencies.
相關PDF資料
PDF描述
XR16V2751IM-0B-EB EVAL BOARD FOR V2751 48TQFP
LBR2518T100M INDUCTOR WOUND 10UH 235MA 1007
VE-JVX-EZ-S CONVERTER MOD DC/DC 5.2V 25W
A3CCH-2418G IDC CABLE - AKC24H/AE24G/AKC24H
BA6238A IC DRIVER REV MOTOR 2CH HSIP10
相關代理商/技術參數(shù)
參數(shù)描述
EVAL-ADAU1401AEBZ 功能描述:BOARD EVAL FOR ADAU1401A RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:* 標準包裝:1 系列:PCI Express® (PCIe) 主要目的:接口，收發(fā)器，PCI Express 嵌入式:- 已用 IC / 零件:DS80PCI800 主要屬性:- 次要屬性:- 已供物品:板
EVAL-ADAU1401EB 制造商:AD 制造商全稱:Analog Devices 功能描述:SigmaDSP 28-/56-Bit Audio Processor with Two ADCs and Four DACs
EVAL-ADAU1401EBZ 功能描述:BOARD EVAL FOR ADAU1401 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:SigmaDSP® 標準包裝:1 系列:PCI Express® (PCIe) 主要目的:接口，收發(fā)器，PCI Express 嵌入式:- 已用 IC / 零件:DS80PCI800 主要屬性:- 次要屬性:- 已供物品:板
EVAL-ADAU1401-EBZ 制造商:Analog Devices 功能描述:EVALUATION KIT ((NS))
EVAL-ADAU1442EBZ 功能描述:BOARD EVAL FOR ADAU1442 RoHS:是 類別:編程器，開發(fā)系統(tǒng) >> 評估演示板和套件 系列:SigmaDSP® 標準包裝:1 系列:PCI Express® (PCIe) 主要目的:接口，收發(fā)器，PCI Express 嵌入式:- 已用 IC / 零件:DS80PCI800 主要屬性:- 次要屬性:- 已供物品:板
發(fā)布緊急采購，3分鐘左右您將得到回復。

采購需求

(若只采購一條型號，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進入我的后臺，查看報價

*型號 *數(shù)量 廠商 批號 封裝
添加更多采購

我的聯(lián)系方式

*
*
*