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參數(shù)資料
| 型號： | AK4341ET |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | 192kHz 24-Bit Stereo ツヒ DAC with 2Vrms Output |
| 中文描述： | 192kHz的24位立體聲ツヒDAC，具有2Vrms的輸出 |
| 文件頁數(shù)： | 13/18頁 |
| 文件大?。?/td> | 274K |
| 代理商： | AK4341ET |
ASAHI KASEI
[AK4341]
■
Reset Function
When the MCLK or LRCK stops during the normal operation (PDN pin =”H”), the AK4341 is placed in the reset mode
and its analog outputs are set to VCOM voltage (VDD). When the MCLK and LRCK are restarted, the AK4341 return to
the normal operation mode. The BICK can be stopped when MCLK or LRCK is stopped but shouldn’t be stopped when
MCLK and LRCK are supplied.
PDN pin
(1)
Normal Operation
Internal
State
Reset
Normal Operation
GD
GD
D/A Out
(Analog)
D/A In
(Digital)
Clock In
MCLK, BICK, LRCK
(2)
(3)
External
MUTE
(6)
VCOM
(2)
MCLK Stop
Power-down
Power-down
(4)
(4)
(4)
Hi-Z
(6)
(6)
(5)
Clock In
MCLK, BICK, LRCK
External
MUTE
(6)
LRCK Stop
(5)
<Case1:MCLK Stop>
<Case2:LRCK Stop>
(6)
(6)
Notes:
(1)
PDN pin should be “L” for 150ns or more after power-on.
(2)
The analog output corresponding to digital input has the group delay (GD).
(3)
Digital data can be stopped. The click noise after the MCLK and LRCK are input again can be reduced by
inputting the “0” data during this period.
(4)
Click noise occurs within 20usec and 20usec +(3
～
4LRCK) after the edges(“
↑
↓
”) of the PDN pin and MCLK
starting. The noises also occur when MCLK or LRCK is stopped and within 20usec after stopping.
(5)
Clocks (MCLK, BICK, LRCK) can be stopped in the reset mode (MCLK or LRCK is stopped).
(6)
Mute externally if the click noises (4) cause problem.
(7)
The AK4341 detects the stop of LRCK by the ratio MCLK/LRCK > 2048. If the LRCK is input, when LRCK is
stopping, then the AK4341 exits the reset mode.
Figure 5. Reset Timing Example
MS0558-E-01
2007/03
- 13 -
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| AK4342EN | 24-Bit Stereo DAC with HP-AMP & 2V Line-Out |
| AK4343 | Stereo DAC with HP/RCV/SPK-AMP |
| AK4343EN | Stereo DAC with HP/RCV/SPK-AMP |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK4342 | 制造商:AKM 制造商全稱:AKM 功能描述:24-Bit Stereo DAC with HP-AMP & 2V Line-Out |
| AK4342EN | 制造商:AKM 制造商全稱:AKM 功能描述:24-Bit Stereo DAC with HP-AMP & 2V Line-Out |
| AK4342EN-L | 制造商:ASAHI 功能描述: |
| AK4342ENP-L | 制造商:Asahi Kasei Microsystems Co Ltd 功能描述: |
| AK4343 | 制造商:AKM 制造商全稱:AKM 功能描述:Stereo DAC with built-in HP/RCV/SPK amplifier |
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