參數(shù)資料
型號(hào): AK4524VF
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 24BIT 96KHZ AUDIO CODEC
中文描述: 24位96kHz的音頻編解碼器
文件頁(yè)數(shù): 24/31頁(yè)
文件大?。?/td> 320K
代理商: AK4524VF
ASAHI KASEI
[AK4524]
M0050-E-01
1999/5
- 24 -
Addr
06H
07H
Register Name
Lch OATT Control
Rch OATT Control
RESET
D7
0
0
0
D6
D5
D4
D3
D2
D1
D0
ATTL6
ATTR6
1
ATTL5
ATTR5
1
ATTL4
ATTR4
1
ATTL3
ATTR3
1
ATTL2
ATTR2
1
ATTL1
ATTR1
1
ATTL0
ATTR0
1
ATTL/R6-0: DAC ATT Level
Refer to Table 11
Initial: 7FH (0dB)
The AK4524 includes digital ATT with 128 levels equivalent to ADC’s.
The OATTs are set to “00H” when PD pin goes “L”. After returning to “H”, the OATTs fade in the initial
value, “7FH” by 8031 cycles.
The OATTs are set to “00H” when PWDA goes “0”. After returning to “1”, the OATTs fade in the current
value.
The OATTs are set to “00H” when RSTDA goes “0”. Afer returning to “1”, the OATTs fade in the current
Value.
Figure 9. ATT characteristics
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
127
111
95
79
63
47
31
15
Input Data(Level)
A
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
S
Step (dB)
ATT (dB)
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