參數(shù)資料
型號(hào): AK4528VF
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: HIGH PERFORMANCE 24BIT 96KHZ AUDIO CODEC
中文描述: 高性能24位96kHz的音頻編解碼器
文件頁(yè)數(shù): 17/29頁(yè)
文件大?。?/td> 284K
代理商: AK4528VF
ASAHI KASEI
[AK4528]
MS0011-E-00
2000/1
- 17 -
In case of parallel mode, both ADC and DAC are powered up with releasing internal reset state when PDN is set to “H”.
Therefore each outputs start to output at once. However the initialization of ADC/DAC, and the fade-in cycle of OATT
(8031/fs) are exist.
Power Supply
ADC Internal State
SDTO
OATT
AOUT
DAC Internal State
External Mute
Example
External clocks
The clocks can be stopped.
PD
INITA
Normal
PD
INITA
Normal
“0”
“0”
Output
Output
PD
PD
Normal
Normal
00H
7FH
7FH
00H
00H
7FH
512/fs
7FH
Hi-Z
Hi-Z
FI
Output
FI
MCLK, LRCK, BICK
PDN pin
*
*
00H
MCLK, LRCK, BICK
Output
*
512/fs
INITD
INITD
·
INITA:
·
INITD:
·
PD:
·
FI:
·
AOUT:
Initializing period of ADC analog section (516/fs).
Initializing period of DAC analog section (512/fs).
Power down state.
Fade in. After exiting power down state, ATT value fades in by 8032/fs cycles.
Some pop noise may occur at “*”.
Figure 8. Reset & Power Down Sequence in Parallel Mode
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