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參數(shù)資料
| 型號(hào)： | AK4317 |
| 廠(chǎng)商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | 18BIT SCF DAC WITH ATT & MIXER |
| 中文描述： | 18位超臨界DAC，具有先進(jìn)交通運(yùn)輸 |
| 文件頁(yè)數(shù)： | 11/19頁(yè) |
| 文件大?。?/td> | 171K |
| 代理商： | AK4317 |
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ASAHI KASEI
[AK4317]
0172-E-01
1997/5
- 11 -
Zero detection
When the input data at both channels are continuously zeros for 8192 LRCK cycles, DZF goes to "H".
DZF immediately goes "L" if input data are not zero after going DZF "H".
Soft mute operation
Soft mute operation is performed at digital domain. When SMUTE pin goes "H" or the output mode is set
to "MUTE", the output signal is attenuated by -
∞
during 1024 LRCK cycles. When SMUTE pin is returned
to "L" or exiting "MUTE", the mute is cancelled and the output attenuation gradually changes to 0dB
during 1024 LRCK cycles. If the soft mute is cancelled within 1024 LRCK cycles after starting the
operation, the attenuation is discontinued and returned to 0dB. The soft mute is effective for changing the
signal source without stopping the signal transmission
Notes:
1
{
The output signal is attenuated by -
∞
during 1024 LRCK cycles(1024/fs).
2
{
Analog output corresponding to digital input have the group delay(GD).
3
{
If the soft mute is cancelled within 1024 LRCK cycles, the attenuation is discontinued and
returned to 0dB.
4
{
As the input data at both channels are continuously zeros for 8192 LRCK cycles, DZF goes to
"H".
DZF immediately go to "L" if input data are not zero after DZF "H".
Figure 5 . Soft mute and zero detection
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| AK4319AVM | 制造商:AKM 制造商全稱(chēng):AKM 功能描述:18Bit SCF DAC |
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