參數(shù)資料
型號(hào)： AK4340_06
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(yè)數(shù)： 15/23頁(yè)
文件大小： 259K
代理商： AK4340_06
ASAHI KASEI
[AK4340]
MS0501-E-00
2006/04
- 15 -
Power-down
The AK4340 is placed in the power-down mode by bringing PDN pin “L” and the analog outputs are GND. Figure 6
shows an example of the system timing at the power-down and power-up.
Normal Operation
Internal
State
PDN
Power-down
Normal Operation
GD
GD
“0” data
D/A Out
(Analog)
D/A In
(Digital)
Clock In
MCLK, LRCK, BICK
(1)
(3)
(6)
DZFL/DZFR
External
MUTE
(5)
(3)
(1)
Mute ON
(2)
(4)
Don’t care
Notes:
(1) The analog output corresponding to digital input has the group delay (GD).
(2) Analog outputs are floating (Hi -Z) at the power-down mode.
(3) Click noise occurs at the edge of PDN signal. This noise is output even if “0” data is input.
(4) The external clocks (MCLK, BICK and LRCK) can be stopped in the power-down mode (PDN = “L”).
(5) Please mute the analog output externally if the click noise (3) influences system application.
The timing example is shown in this figure.
Figure 12. Power-down/up Sequence Example
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