參數(shù)資料
型號: ADSP-BF526KBCZ-4C2
廠商: Analog Devices Inc
文件頁數(shù): 25/36頁
文件大小: 0K
描述: IC DSP CTRLR 400MHZ 289CSPBGA
標(biāo)準(zhǔn)包裝: 1
系列: Blackfin®
類型: 定點
接口: DMA,以太網(wǎng),I²C,PPI,SPI,SPORT,UART,USB
時鐘速率: 400MHz
非易失內(nèi)存: ROM(32 kB)
芯片上RAM: 132kB
電壓 - 輸入/輸出: 1.8V,2.5V,3.3V
電壓 - 核心: 1.30V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 289-LFBGA,CSPBGA
供應(yīng)商設(shè)備封裝: 289-CSPBGA(12x12)
包裝: 托盤
ADSP-BF522C/ADSP-BF523C/ADSP-BF524C/ADSP-BF525C/ADSP-BF526C/ADSP-BF527C
Rev. A
|
Page 31 of 36
|
March 2010
DIGITAL DE-EMPHASIS
Figure 25. DAC Digital Filter Frequency Response, Sampling Rate = 48 kHz
Figure 26. DAC Digital Filter Ripple, Sampling Rate = 48 kHz
Figure 27. De-Emphasis Frequency Response, Sampling Rate = 32 kHz
FREQUENCY (
fS)
MAGNITUDE
(dB)
0
0.25
0
–100
–90
–80
–70
–60
–50
–40
–30
–20
–10
0.75
1.00
1.25
0.50
1.50
2.00
1.75
FREQUENCY (
fS)
MAGNITUDE
(dB)
0
0.05 0.10 0.15 0.20 0.25 0.30 0.35 0.40 0.45 0.50
0.05
0.04
0.03
0.02
0.01
0
0.01
0.02
0.03
0.04
0.05
FREQUENCY (kHz)
MAGNITUDE
(dB)
048
12
16
10
9
8
7
6
5
4
3
2
1
0
Figure 28. De-Emphasis Frequency Response, Sampling Rate = 44.1 kHz
Figure 29. De-Emphasis Frequency Response, Sampling Rate = 48 kHz
Figure 30. De-Emphasis Error, Sampling Rate = 32 kHz
FREQUENCY (kHz)
MAGNITUDE
(dB)
0
4
12
20
816
10
9
8
7
6
5
4
3
2
1
0
FREQUENCY (kHz)
MAGNITUDE
(dB)
0
4
12
20
816
24
10
9
8
7
6
5
4
3
2
1
0
FREQUENCY (kHz)
MAGNITUDE
(dB)
04
12
816
0.4
0.3
0.2
0.1
0
0.1
0.2
0.3
0.4
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