ak4538 AKM Semiconductor, Inc., ak4538 Datasheet - Page 24
![no-image](/images/no-image-200.jpg)
ak4538
Manufacturer Part Number
ak4538
Description
16bit ?? Codec With Mic/hp/spk-amp
Manufacturer
AKM Semiconductor, Inc.
Datasheet
1.AK4538.pdf
(70 pages)
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Part Number:
ak4538VN
Manufacturer:
AKM
Quantity:
20 000
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n 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).
MS0198-E-01
LRCK
BICK(32fs)
SDTO(o)
BICK(64fs)
SDTO(o)
LRCK
BICK(32fs)
SDTO(o)
BICK(64fs)
SDTO(o)
SDTI(i)
SDTI(i)
SDTI(i)
SDTI(i)
0
0 1
0
0 1
15 14
15 14
15 14 13
15 14
15:MSB, 0:LSB
0
1
1
15 14
15 14
15 14
15
15:MSB, 0:LSB
2 3
2 3
2 3
2 3
14
13
13
13
Lch Data
Lch Data
8
8
2
2 1
7
7 6 5 4 3 2 1 0
1
1 0
15
15
9
9
7
7 6 5 4 3 2 1 0
1
6 5 4 3
0
10
16
Figure 17. Mode 1 Timing
Figure 18. Mode 2 Timing
10
16
6 5 4 3
0
0
11 12 13 14 15 0 1 2 3
17 18
11 12 13 14 15 0 1 2 3
17 18
Don't Care
Don't Care
- 24 -
2
2
1 0
31 0 1 2 3
31 0 1 2 3
1 0
15 14 13
15
15 14
15
14
14
13
Rch Data
8
2 1
Rch Data
7 6 5 4 3 2 1 0
1 0
15
15
9
9
7 6 5 4 3 2 1 0
10
16 17 18
10
16 17 18
0
11 12 13 14 15
11 12 13 14 15
Don't Care
Don't Care
31
31
0
0
0
0
15
15
15
15
1
1
1
1
2003/5
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