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參數(shù)資料
| 型號： | AK4351VT |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | 18 BIT ADVANCED MULTI BIT 2CH DAC |
| 中文描述： | 18位高級多比特2聲道數(shù)模轉(zhuǎn)換器 |
| 文件頁數(shù)： | 10/14頁 |
| 文件大小： | 134K |
| 代理商： | AK4351VT |
ASAHI KASEI
[AK4351]
M0022-E-04
1999/12
- 10 -
n
Power-down
The AK4351 is placed in the power-down mode by bringing PD pin “L” and the anlog outputs are floating(Hi-Z).
Figure 4 shows an example of the system timing at the power-down and power-up.
Normal Operation
Internal
State
PD
Power-down
Normal Operation
GD
GD
“0”data
D/A Out
(Analog)
D/A In
(Digital)
Clock In
MCLK,LRCK,BICK
(1)
(2)
(4)
External
Mute
(5)
(1)
(3)
(3)
Mute On
Figure 4. Power-down/up sequence example
Notes:
(1) 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 occures at the edges(“
-
ˉ
”) of the falling edge of PD signal.
(4) When the external clocks(MCLK,BICK,LRCK) are stopped, the AK4351 should be in the power-down
mode.
(5) Please mute the analog output externally if the click noise(3) influences system application.
The timing example is shown in this figure.
n
System Reset
The AK4351 should be reset once by bringing PD = ”L” upon power-up. The AK4351 is powered up and the internal
timing starts clocking by LRCK “
-
” after exiting reset and power down state by MCLK. The AK4351 is in power-down
mode until MCLK and LRCK are input.
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| AK4351VTP-E2 | 制造商:AKM Semiconductor Inc 功能描述:AK4351VTP-E2 |
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| AK4352VT | 制造商:AKM 制造商全稱:AKM 功能描述:2V & LOW POWER MULTI-BIT DAC |
| AK4352VTP | 制造商:Asahi Kasei Microsystems Co Ltd 功能描述: |
| AK4353 | 制造商:AKM 制造商全稱:AKM 功能描述:96kHz 24BIT DAC WITH DIT |
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