參數(shù)資料
型號(hào): AK4395
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: ADVANCED MULTI-BIT 192KHZ 24-BIT DAC
中文描述: 先進(jìn)的多位192kHz的24位DAC
文件頁(yè)數(shù): 20/26頁(yè)
文件大小: 277K
代理商: AK4395
ASAHI KASEI
[AK4395]
MS0040-E-00
2000/7
- 20 -
SLOW: Slow Roll-off Filter Enable
0: Sharp Roll-off Filter
1: Slow Roll-off Filter
DZFE: Data Zero Detect Enable
0: Disable
1: Enable
Zero detect function can be disabled by DZFE bit “0”. In this case, the DZF pins of all channels are
always “L”.
DZFM: Data Zero Detect Mode
0: Channel Separated Mode
1: Channel ANDed Mode
If the DZFM bit is set to “1”, the DZF pins of all channels go to “H” only when the input data at all
channels are continuously zeros for 8192 LRCK cycles.
Addr
02H
Register Name
Output Gain
default
D7
GA1
1
D6
GA0
1
D5
0
0
D4
0
0
D3
0
0
D2
D1
0
0
D0
0
0
DZFB
0
DZFB: Inverting Enable of DZF
0: DZF goes “H” at Zero Detection
1: DZF goes “L” at Zero Detection
GA1-0: Output Gain Control
00: -1.16dB
01: -2.18dB
10: +1.34dB
11: 0dB
Addr
03H
04H
Register Name
AOUTL ATT Control
AOUTR ATT Control
default
D7
ATT7
ATT7
1
D6
ATT6
ATT6
1
D5
ATT5
ATT5
1
D4
D3
D2
D1
D0
ATT4
ATT4
1
ATT3
ATT3
1
ATT2
ATT2
1
ATT1
ATT1
1
ATT0
ATT0
1
ATT7-0: Attenuation Level
256 levels, 0.5dB step
Data
FFH
FEH
FDH
:
:
02H
01H
00H
Attenuation
0dB
-0.5dB
-1.0dB
:
:
-126.5dB
-127.0dB
MUTE (-
)
The transition between set values is soft transition of 7425 levels. It takes 7424/fs (168ms@fs=44.1kHz) from
FFH (0dB) to 00H (MUTE). If PDN pin goes to “L”, the ATTs are initialized to FFH. The ATTs are FFH when
RSTN = “0”. When RSTN return to “1”, the ATTs fade to their current value. This digital attenuator is
independent of soft mute function.
相關(guān)PDF資料
PDF描述
AK4395VF ADVANCED MULTI-BIT 192KHZ 24-BIT DAC
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