参数资料
型号: LC708728V
元件分类: DAC
英文描述: SERIAL INPUT LOADING, 24-BIT DAC, PDSO20
封装: MO-150AE, SSOP-20
文件页数: 6/31页
文件大小: 332K
代理商: LC708728V
Right Justified Mode
In right justified mode, the LSB is sampled on the BCKIN rising edge that precedes the LRCIN transition. LRCIN is high
for the left data word and low for the right data word.
No. 7236-14/31
LC708728V
LEFT CHANNEL
RIGHT CHANNEL
LRCIN
BCKIN
DIN
1/fs
n
3
2
1
n-2 n-1
LSB
MSB
n
3
2
1
n-2 n-1
LSB
MSB
Figure 9 Right Justified Mode Timing Chart
I2S Mode
In I2S mode, the MSB is sampled on the second BCKIN rising edge following the LRCIN transition. LRCIN is low for
the left data word and high for the right data word.
LEFT CHANNEL
RIGHT CHANNEL
LRCIN
BCKIN
DIN
1/fs
n
3
2
1
n-2 n-1
LSB
MSB
n
3
2
1
n-2 n-1
LSB
MSB
1 BCKIN
Figure 10 I2S Mode Timing Chart
DSP Early Mode
In DSP early mode, the first bit is sampled on the BCKIN rising edge that follows the BCKIN on which the LRCIN low
to high transition was detected. BCKIN edges are not allowed between data words. The word order is left channel first,
right channel second.
LRCIN
BCKIN
DIN
Input Word Length (IWL)
1/fs
LEFT CHANNEL
n
2
1
n-1
LSB
MSB
n
2
1
n-1
RIGHT CHANNEL
NO VALID DATA
1 BCKIN
Figure 11 DSP Early Mode Timing Chart
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