參數(shù)資料
型號: AK4640
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16BIT CODEC WITH MIC /HP/SPK-AMPl
中文描述: 16位編解碼器麥克風(fēng)/惠普/胰腎聯(lián)合移植,AMPl
文件頁數(shù): 28/76頁
文件大?。?/td> 634K
代理商: AK4640
ASAHI KASEI
[AK4640]
MS0273-E-00
2004/03
- 28 -
LRCK
BICK(32fs)
SDTO(o)
SDTI(i)
0
15 14
15 14
1
10
13
13
2 3
7
7 6 5 4 3 2 1 0
6 5 4 3
1 0
2
9
11 12 13 14 15 0 1 2 3
15 14 13
1
0
15
15
7 6 5 4 3 2 1 0
10
9
11 12 13 14 15
BICK(64fs)
0 1
16
2 3
17 18
31 0 1 2 3
1
0
16 17 18
31
SDTO(o)
SDTI(i)
15 14 13
Don't Care
1
15
15
15
0
15 14
15
14
Don't Care
15:MSB, 0:LSB
Lch Data
Rch Data
13
1 0
13
1 0
15
Figure 17. Mode 1 Timing
LRCK
BICK(32fs)
SDTO(o)
SDTI(i)
0
15 14
15 14
1
10
2 3
7
7 6 5 4 3 2 1 0
6 5 4 3
1 0
2
9
11 12 13 14 15 0 1 2 3
15 14
1
0
7 6 5 4 3 2 1 0
10
9
11 12 13 14 15
BICK(64fs)
0 1
16
2 3
17 18
31 0 1 2 3
1
0
16 17 18
31
SDTO(o)
SDTI(i)
15 14
Don't Care
2
15
1
15
15
15
Don't Care
15:MSB, 0:LSB
Lch Data
Rch Data
14
2 1
14
2 1
8
8
8
0
0
0
0
Figure 18. Mode 2 Timing
Digital High Pass Filter
The ADC has a digital high pass filter for DC offset cancellation. The cut-off frequency of the HPF is 3.4Hz
(@fs=44.1kHz) and scales with sampling rate (fs).
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