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參數(shù)資料
| 型號(hào)： | AK4633 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 元件分類： | Codec |
| 英文描述： | 16-Bit Mono CODEC with ALC & MIC/SPK-AMP |
| 中文描述： | 16位單聲道編解碼器ALC的 |
| 文件頁(yè)數(shù)： | 51/82頁(yè) |
| 文件大小： | 688K |
| 代理商： | AK4633 |
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ASAHI KASEI
[AK4633]
MS0447-E-03
2006/04
- 51 -
Mono Line Output (AOUT pin)
A signal of DAC is output from AOUT pin. When the DACA bit is
“
0
”
, this output is OFF. The load resistance is
10k
(min). When PMAO bit is
“
0
”
and AOPS bit is
“
0
”
, the mono line output enters power-down and is pulled down by
100
(typ). When ADPS bit is
“
1
”
, the mono line output enters power-save mode. If PMAO bit is controlled at AOPS bit
=
“
1
”
, POP noise will be reduced at power-up and down. Then, this line should be pulled down by 20k
of resister after
C-coupling shown in Figure 39. This rising and falling time is max 300 ms at C=1.0
μ
F . When PMAO bit is
“
1
”
and
AOPS bit is
“
0
”
, the mono line output enters power-up state.
AOUT
1
μ
F
220
20k
Figure 39. AOUT external circuit in case of using POP Reduction function
AOUT Control Sequence in case of using POP Reduction Circuit
P M A O bit
A O P S bit
A O U T pin
(1)
(2)
N orm al O utput
(3)
(4)
(5)
(6)
≥
300 m s
≥
300 m s
(1) Set AOPS bit =
“
1
”
. Mono line output enters the power-save mode.
(2) Set PMAO bit =
“
1
”
. Mono line output exits the power-down mode.
AOUT pin rises up to VCOM voltage. Rise time is 200ms (max 300ms) at C=1
μ
F.
(3) Set AOPS bit =
“
0
”
after AOUT pin rises up. Mono line output exits the power-save mode.
Mono line output is enabled.
(4) Set AOPS bit =
“
1
”
. Mono line output enters power-save mode.
(5) Set PMAO bit =
“
1
”
. Mono line output enters power-down mode.
AOUT pin falls down to AVSS. Fall time is 200ms (max 300ms) at C=1
μ
F.
(6) Set AOPS bit =
“
0
”
after AOUT pin falls down. Mono line output exits the power-save mode.
Figure 40. Mono Line Output Control Sequence in case of using POP Reduction function
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AK4640 | 16BIT CODEC WITH MIC /HP/SPK-AMPl |
| AK4640VG | 16BIT CODEC WITH MIC /HP/SPK-AMPl |
| AK4640VN | 16BIT CODEC WITH MIC /HP/SPK-AMPl |
| AK4642EN | Stereo CODEC with MIC/HP/SPK-AMP |
| AK4643EN | Stereo CODEC with MIC/HP/RCV/SPK-AMP |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK4633ENP-L | 制造商:Asahi Kasei Microsystems Co Ltd 功能描述:LOW COST MONO CODEC WITH SPK A |
| AK4633VN | 制造商:AKM 制造商全稱:AKM 功能描述:16bit mono CODEC with MIC/SPK amplifier. |
| AK4633VNP-L | 制造商:Asahi Kasei Microsystems Co Ltd 功能描述:LOW COST MONO CODEC WITH SPK A |
| AK4634 | 制造商:AKM 制造商全稱:AKM 功能描述:16-Bit Mono CODEC with ALC & MIC/SPK-AMP |
| AK4635 | 制造商:AKM 制造商全稱:AKM 功能描述:16-Bit Mono CODEC with ALC & MIC/SPK/Video-AMP |
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