參數(shù)資料
型號: AD1891
廠商: Analog Devices, Inc.
英文描述: SamplePort Stereo Asynchronous Sample Rate Converters
中文描述: SamplePort立體聲異步采樣速率轉(zhuǎn)換器
文件頁數(shù): 18/20頁
文件大?。?/td> 416K
代理商: AD1891
AD1890/AD1891
–18–
REV. 0
0.0
–140.0
–80.00
–120.0
–100.0
–20.00
–60.00
–40.00
d
20k
2k
20
18k
16k
14k
12k
10k
8k
6k
4k
FREQUENCY – Hz
Figure 20a. AD1890—Twintone, 10 kHz and 11 kHz,
44.1 kHz Input Sample Frequency, 48 kHz Output Sample
Frequency, 16k-Point FFT, BH4 Window
0.0
–140.0
–80.00
–120.0
–100.0
–20.00
–60.00
–40.00
d
20k
18k
16k
14k
12k
10k
8k
6k
FREQUENCY – Hz
2k
20
4k
Figure 20b. AD1891—Twintone, 10 kHz and 11 kHz,
44.1 kHz Input Sample Frequency, 48 kHz Output Sample
Frequency, 16k-Point FFT, BH4 Window
0.0
–140.0
10k
–80.00
–120.0
1k
–100.0
20
–20.00
–60.00
–40.00
9k
8k
7k
6k
5k
4k
3k
2k
d
FREQUENCY – Hz
Figure 21. AD1890/AD1891—5 kHz Tone at 0 dBFS with 100 ns p-p Binomial J itter
on L/
R
Clocks, Fast Settling Mode, 48 kHz Input Sample Frequency, 44.1 kHz Output
Sample Frequency, 16k-Point FFT, BH4 Window
DATA IN/OUT
NO MSB DELAY MODE
BCLK_I, BCLK_O
NORMAL MODE
BCLK_I, BCLK_O
INVERTED MODE
LR_I, LR_O
INPUT
WCLK_I, WCLK_O
INPUT
INPUT
DATA IN/OUT
MSB DELAY MODE
MSB
MSB–1 MSB–2
LEFT DATA
MSB
LSB
LSB+1
LSB+2
MSB-1 MSB-2
RIGHT DATA
LSB+1
LSB
MSB
MSB–1 MSB–2 MSB–3
LEFT DATA
RIGHT DATA
LSB+1
LSB
MSB-3
MSB
MSB-1 MSB-2
LSB
Figure 22. AD1890/AD1891 Serial Data Input and Output Timing, Word Clock Triggered Mode
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