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參數(shù)資料
| 型號(hào)： | AK4586VQ |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 元件分類： | 圓形連接器 |
| 英文描述： | Circular Connector; MIL SPEC:MIL-C-5015 A/B/C; Body Material:Aluminum Alloy; Series:97-3100A; No. of Contacts:4; Connector Shell Size:18; Connecting Termination:Solder; Circular Shell Style:Wall Mount Receptacle RoHS Compliant: No |
| 中文描述： | 多通道音頻編解碼器迪爾 |
| 文件頁(yè)數(shù)： | 32/54頁(yè) |
| 文件大?。?/td> | 586K |
| 代理商： | AK4586VQ |
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ASAHI KASEI
[AK4586]
MS0097-E-01
2001/12
- 32 -
Digital High Pass Filter
The ADC has a digital high pass filter for DC offset cancel. The cut-off frequency of the HPF is 1.0Hz at fs=48kHz and
also scales with sampling rate (fs).
Overflow Detection
The AK4586 has overflow detect function for analog input. Overflow detect function is enable if OVFE bit is set to “1”.
OVF pin goes to “H” if analog input of Lch or Rch overflows (more than -0.3dBFS). OVF output for overflowed analog
input has the same group delay as ADC (GD = 17.0/fs = 354μs@fs=48kHz). OVF is “L” for 522/fs (=10.9ms
@fs=48kHz) after PDN = “
↑
”, and then overflow detection is enabled.
Zero detection
The AK4586 has two pins for zero detect flag outputs. Channel grouping can be selected by DZFM2-0 bits (Table 16).
DZF1 pin corresponds to the group 1 channels and DZF2 pin corresponds to the group 2 channels. However DZF2 pin
becomes OVF pin if OVFE bit is set to “1”. For example, DZF1 is AND of all six channels and DZF2 is disabled (“L”) at
mode 0.
When the input data of all channels in the group 1(group 2) are continuously zeros for 8192 LRCK cycles, DZF1(DZF2)
pin goes to “H”. DZF1(DZF2) pin immediately goes to “L” if input data of any channels in the group 1(group 2) is not
zero after going DZF1(DZF2) “H”.
DZFM
Mode
2
1
0
L1
R1
L2
0
0
0
0
DZF1
DZF1
DZF1
1
0
0
1
DZF1
DZF1
DZF1
2
0
1
0
DZF1
DZF1
DZF1
3
0
1
1
DZF1
DZF1
DZF1
4
1
0
0
DZF1
DZF1
DZF2
5
1
0
1
DZF1
DZF2
DZF2
6
1
1
0
DZF2
DZF2
DZF2
7
1
1
1
disable (DZF1=DZF2 = “L”)
Table 16. Zero detect control
AOUT
R2
DZF1
DZF1
DZF1
DZF2
DZF2
DZF2
DZF2
L3
DZF1
DZF1
DZF2
DZF2
DZF2
DZF2
DZF2
R3
DZF1
DZF2
DZF2
DZF2
DZF2
DZF2
DZF2
Default
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AK4588 | 2/8 CHANNEL AUDIO CODEC WITH DIR |
| AK4588VQ | 2/8 CHANNEL AUDIO CODEC WITH DIR |
| AK4589VQ | 2/8-Channel Audio CODEC with DIR |
| AK4591 | 24bit 4ch ADC + 24bit 6ch DAC |
| AK4620A | 24 BIT 192KHZ AUDIO CODEC WITH IPGA |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK4588 | 制造商:AKM 制造商全稱:AKM 功能描述:2/8 CHANNEL AUDIO CODEC WITH DIR |
| AK4588VQ | 制造商:AKM 制造商全稱:AKM 功能描述:2/8 CHANNEL AUDIO CODEC WITH DIR |
| AK4589 | 制造商:AKM 制造商全稱:AKM 功能描述:2/8 CHANNEL AUDIO CODEC WITH DIR |
| AK4589_1 | 制造商:AKM 制造商全稱:AKM 功能描述:2/8-Channel Audio CODEC with DIR |
| AK4589VQ | 制造商:AKM 制造商全稱:AKM 功能描述:2/8-Channel Audio CODEC with DIR |
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