參數(shù)資料
型號(hào)： AK5388
廠商： Asahi Kasei Microsystems Co.,Ltd
英文描述： 120dB 24-bit 192kHz 4-Channel ADC
中文描述： 120dB的24位192kHz的4通道ADC
文件頁數(shù)： 17/27頁
文件大小： 384K
代理商： AK5388
[AK5388]
M/S Pin
CKS2 pin
L
L
L
L
H
H
H
H
L
L
L
L
H
H
H
H
CKS0 pin
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
H
CKS0 pin
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
MCLK Frequency
128fs (108KHz
<
fs
≤
216KHz)
192fs (108KHz
<
fs
≤
216KHz)
256fs (8KHz
≤
fs
≤
54KHz)
256fs (54KHz
<
fs
≤
108KHz)
Auto (8KHz
≤
fs
≤
216KHz)
384fs (8KHz
≤
fs
≤
54KHz)
512fs (8KHz
<
fs
≤
54KHz)
768fs (8KHz
≤
fs
≤
54KHz)
128fs (108KHz
<
fs
≤
216KHz)
192fs (108KHz
<
fs
≤
216KHz)
256fs (8KHz
≤
fs
≤
54KHz)
256fs (54KHz
<
fs
≤
108KHz)
384fs (54KHz
≤
fs
≤
108KHz)
384fs (8KHz
≤
fs
≤
54KHz)
512fs (8KHz
<
fs
≤
54KHz)
768fs (8KHz
≤
fs
≤
54KHz)
L
H
Table 4. MCLK Frequency
When changing MCLK frequency in master/slave mode, the AK5388 should reset by PDN pin = “L”. (ex.
12.288MHz(@fs=48kHz) at CKS1 pin = CKS0 pin = “L”.
■
Audio Interface Format
12 different audio data interface formats can be selected using the TDM1-0, M/S and DIF pins as shown in
audio data format can be selected by the DIF pin. In all formats the serial data is MSB-first, 2's compliment format. The
SDTO1/2 is clocked out on the falling edge of BICK.
In normal mode, Mode 0-1 are the slave mode, and BICK is available up to 128fs at fs=48kHz. BICK outputs 64fs clock
in Mode 2-3.
In TDM256 mode, all of the ADC’s serial data (four channels) is output from the SDTO1 pins. The SDTO2 output is
fixed to “L”. BICK should be fixed to 256fs. In slave mode, “H” time and “L” time of LRCK should be at least 1/256fs. In
master mode, “H” time (“L” time at I
2
S mode) of LRCK is 1/8fs typical. TDM256 mode does not support 96kHz
sampling.
In TDM128 mode, all of the ADC’s serial data (four channels) is output from the SDTO1 pin. The SDTO2 output is fixed
to “L”. BICK should be fixed to 128fs. In the slave mode, “H” time and “L” time of LRCK should be at least 1/128fs. In
master mode, “H” time (“L” time at I
2
S mode) of LRCK is 1/4fs typical. TDM128 mode supports up to 192kHz sampling.
Table 5
. The
Rev. 0.3
2007/10
- 17 -
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