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參數(shù)資料
| 型號(hào)： | AK4632VN |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 元件分類： | Codec |
| 英文描述： | 16-Bit ツヒ Mono CODEC with ALC & MIC/SPK/Video-AMP |
| 中文描述： | 16位ツヒALC的單聲道編解碼器 |
| 文件頁(yè)數(shù)： | 34/70頁(yè) |
| 文件大?。?/td> | 639K |
| 代理商： | AK4632VN |
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ASAHI KASEI
[AK4632]
MS0396-E-00
2005/06
- 34 -
Digital Output Volume
The AK4632 has a digital output volume (256 levels, 0.5dB step, Mute). The volume can be set by the DVOL7-0 bits. The
volume is included in front of a DAC block, a input data of DAC is changed from +12 to –115dB with MUTE. This
volume has a soft transition function. It takes 1061/fs or 256/fs from 00H to FFH.
DVOL7-0
00H
01H
02H
18H
FDH
FEH
FFH
Table 16. Digital Output Volume Code Table
The transition time from 00H to FFH of DVOL7-0 bits
DVTM bit
Transition Time
0
1061/fs
1
256/fs
Table 17.Setting of transition time
BEEP Input
When the PMBP bit is set to
“
1
”
, the beep input is powered-up. And when the BEEPS bit is set to
“
1
”
, the input signal
from the BEEP pin is output to Speaker-Amp. When the BEEPA bit is set to
“
1
”
, the input signal from the BEEP pin is
output to the mono line output amplifier. The external resister Ri adjusts the signal level of BEEP input. The gains are
shown in Table 18, when Ri = 20k
. These gain are in inverse proportion to Ri.
Gain
+12.0dB
+11.5dB
+11.0dB
0dB
114.5dB
115.0dB
MUTE (
∞
)
Default
fs=8kHz
133msec
32msec
fs=22.05kHz
48msec
12msec
BEEP
-
+
Rf
Ri
Figure 32. Block Diagram of BEEP pin
SPKG1-0 bits
00
01
10
11
BEEP
SPP/SPN Gain
+7.89dB
+9.93dB
+14.11dB
+16.15dB
Table 18. Beep input gain at R
i
= 20k
BEEP
AOUT Gain
0dB
0dB
0dB
0dB
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AK4633VN | 16bit mono CODEC with MIC/SPK amplifier. |
| AK4633 | 16-Bit Mono CODEC with ALC & MIC/SPK-AMP |
| AK4640 | 16BIT CODEC WITH MIC /HP/SPK-AMPl |
| AK4640VG | 16BIT CODEC WITH MIC /HP/SPK-AMPl |
| AK4640VN | 16BIT CODEC WITH MIC /HP/SPK-AMPl |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK4633 | 制造商:AKM 制造商全稱:AKM 功能描述:16-Bit Mono CODEC with ALC & MIC/SPK-AMP |
| 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 |
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