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參數(shù)資料
| 型號： | AD1839AASZ1 |
| 廠商： | Analog Devices, Inc. |
| 元件分類： | Codec |
| 英文描述： | 2 ADC, 6 DAC, 96 kHz, 24-Bit Sigma-Delta Codec |
| 中文描述： | 2的ADC，6 DAC的，96千赫，24位Σ-Δ編解碼器 |
| 文件頁數(shù)： | 21/24頁 |
| 文件大?。?/td> | 674K |
| 代理商： | AD1839AASZ1 |
AD1839A
Table 11. DAC Control 1
Address
15, 14, 13, 12
0000
Rev. B | Page 21 of 24
R/W
11
0
RES
10
0
De-emphasis
9, 8
00 = None
01 = 44.1 kHz
10 = 32.0 kHz
11 = 48.0 kHz
DAC Data Format
7, 6, 5
000 = I2S
001 = RJ
010 = DSP
011 = LJ
100 = Packed 256
101 = Packed128
110 = Reserved
111 = Reserved
Function
Power-Down Reset
2
0 = Normal
1 = Power-Down
Sample Rate
1, 0
00 = 8 × (48 kHz)
01 = 4 × (96 kHz)
10 = 2 × (192 kHz)
11 = 8 × (48 kHz)
DAC Data-Word Width
4, 3
00 = 24 Bits
01 = 20 Bits
10 = 16 Bits
11 = Reserved
Table 12. DAC Control 2
Address
R/W
15, 14,
13, 12
0001
0
RES
10
Reserved
9
Function
MUTE DAC
OUTL3
4
Stereo
Replicate
8
Reserved
7
Reserved
6
OUTR3
5
OUTR2
3
OUTL2
2
OUTR1
1
OUTL1
0
11
0
0
0 = Off
1 = Replicate
0 = On
1 = Mute
0 = On
1 = Mute
0 = On
1 = Mute
0 = On
1 = Mute
0 = On
1 = Mute
0 = On
1 = Mute
0 = On
1 = Mute
0 = On
1 = Mute
Table 13. DAC Volume Control
Address
15, 14, 13, 12
0010 = DACL1
0011 = DACR1
0100 = DACL2
0101 = DACR2
0110 = DACL3
0111 = DACR3
R/W
11
0
RES
10
0
Function
DAC Volume
9, 8, 7, 6, 5, 4, 3, 2, 1, 0
0000000000 = Mute
0000000001 = 1/1023
0000000010 = 2/1023
1111111110 = 1022/1023
1111111111 = 1023/1023
Table 14. ADC Peak
Address
15, 14, 13, 12
1010 = Left ADC
1011 = Right ADC
R/W
11
1
RES
10
0
Function
Four Fixed Bits
3, 2, 1, 0
0000
These four bits are always 0.
Six Data Bits
9, 8, 7, 6, 5, 4
000000 = 0.0 dBFS
000001 = –1.0 dBFS
000010 = –2.0 dBFS
111111 = –63.0 dBFS
Table 15. ADC Control 1
Function
ADC Power-
Down
7
0 = Normal
1 = Power-Down
Address
15, 14, 13, 12
1100
R/W
11
0
RES
10
0
Reserved
9
0
Filter
8
0 = All Pass
1 = High-Pass
Sample Rate
6
0 = 48 kHz
1 = 96 kHz
Reserved
5, 4, 3, 2, 1, 0
0, 0, 0, 0, 0, 0
0, 0, 0, 0, 0, 0
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