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參數(shù)資料
| 型號(hào)： | AK4360 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | Low Power 2ch ΔΣ DAC with HP-AMP(帶耳機(jī)放大器的20位低電壓低功耗立體聲D/A轉(zhuǎn)換器) |
| 中文描述： | 低功耗2通道ΔΣDAC，帶有惠普腺苷（帶耳機(jī)放大器的20位低電壓低功耗立體聲的D / A轉(zhuǎn)換器） |
| 文件頁數(shù)： | 13/16頁 |
| 文件大?。?/td> | 81K |
| 代理商： | AK4360 |
ASAHI KASEI
[AK4360]
MS0072-E-00
2001/01
- 13 -
AOUTL(R)
(Analog)
PDN pin
MUTEN pin
DAC State
HP-AMP
State
(8)
Input Data
(Digital)
Clock In (MCLK, BICK, LRCK)
(1)
(2)
(5)
(6)
(7)
0V Output
(4)
(3)
(6)
(7)
(5)
Normal Operation
Power down
Normal Operation
Normal Operation
Normal Operation
Power down
Normal Operation
Normal Operation
Figure 8. Mute on/off timing example
(1): PDN pin should change “H” into “L” after analog outputs are muted.
(2): This is time (about 1ms) until DAC and HP-AMP are powered up after PDN = “H”.
(3): After DAC and HP-AMP are powered-up, MUTEN pin should be “H”.
(4): When MUTEN pin goes “L”, analog outputs are connected to HPGND.
(5): Level mute time: 1024/fs = 23ms@fs=44.kHz
(6): Gain mute time: 21845/fs = 495ms@fs=44.1kHz, MT1-0 = “00”
(7): Mute total time: 22869/fs = 518ms@fs=44.1kHz, MT1-0 = “00”
(8): When the external clocks (MCLK, BICK and LRCK) are stopped, the DAC and HP-AMP should be in the
power-down mode (PDN = “L”, MUTEN = “L”).
fs
MT1
H
H
MT0
L
H
Mute Total Time
6485/fs (= 811ms)
17408/fs (= 395ms)
8kHz
44.1kHz
Table 6. Recommended Mute Time Setting Example
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