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參數(shù)資料
| 型號： | AD1881AJST |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 消費家電 |
| 英文描述： | AC’97 SoundMAX Codec |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| 封裝： | PLASTIC, LQFP-48 |
| 文件頁數(shù)： | 12/26頁 |
| 文件大?。?/td> | 261K |
| 代理商： | AD1881AJST |
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AD1881A
–12–
REV. 0
Reset (Index 00h)
u
u
u
N m
u
u
e
R g
e
m
a
N
1
D 5
1
D 4
1
D 3
1
D 2
D 1
1
D 0
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
t
u
u
a
f
D
0 h
t
s
e
R
X
E
S 4
E
S 3
E
S 2
E
S 1
E
S 0
D
D
D
D
I 9
D
D
D
D
D
I 8
D
D
D
D
D
I 7
D
D
D
D
D
I 6
D
D
D
D
D
I 5
D
D
D
D
D
I 4
D
D
D
D
D
I 3
D
D
D
D
D
I 2
D
D
D
D
D
I 1
D
D
D
D
D
I 0
D
h
h
0
1
4
0
Note: Writing any value to this register performs a register reset, which causes all registers to revert to their default values (except
74h, which forces the serial configuration). Reading this register returns the ID code of the part and a code for the type of 3D Stereo
Enhancement.
ID[9:0]
Identify Capability. The ID decodes the capabilities of AD1881A based on the following:
Bit = 1
Function
AD1881A
ID0
ID1
ID2
ID3
ID4
ID5
ID6
ID7
ID8
ID9
Dedicated MIC PCM In Channel
Modem Line Codec Support
Bass and Treble Control
Simulated Stereo (Mono to Stereo)
Headphone Out/True Line-Level Out
Loudness (Bass Boost) Support
18-Bit DAC Resolution
20-Bit DAC Resolution
18-Bit ADC Resolution
20-Bit ADC Resolution
0
0
0
0
1
0
0
0
0
0
SE[4:0]
Master Volume Registers (Index 02h)
Stereo Enhancement. The 3D stereo enhancement identifies the Analog Devices 3D stereo enhancement.
u
u
u
u
N m
u
e
R g
e
e
m
a
N
D1
D 5
D1
D 4
1
D 3
1
D1
D 2
D 1
1
D1
D 0
D9
D8
D7
D6
D5
D4
D3
D2
D1
D
D0
t
u
u
a
f
D
2
0 h
r
e
a
l
V
M
e
m
u
MM
X
5
V
M
L
4
V
M
L
3
V
M
L
2
V
M
L
1
V
M
L
0
V
M
L
X
X
5
V
M
R
4
V
M
R
3
V
M
R
2
V
M
R
1
V
M
R
0
V
M
R
h
0
0
0
8
RMV[5:0]
Right Master Volume Control. The least significant bit represents 1.5 dB. This register controls the output from
0 dB to a maximum attenuation of –94.5 dB.
Left Master Volume Control. The least significant bit represents 1.5 dB. This register controls the output from 0 dB to
a maximum attenuation of –94.5 dB.
Master Volume Mute. When this bit is set to “1,” the channel is muted.
LMV[5:0]
MM
MM
xMV5 . . . xMV0
Function
0
0
0
1
00 0000
01 1111
11 1111
xx xxxx
0 dB Attenuation
–46.5 dB Attenuation
–94.5 dB Attenuation
–
∞
dB Attenuation
Master Volume Mono (Index 06h)
u
u
u
u
N m
u
e
R g
e
m
a
N
1
D 5
1
D 4
1
D 3
1
D 2
D 1
1
D 0
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
t
u
t
a
f
D
6
0 h
e
m
u
l
V
V
r
e
a
n
o
M
M
o
M
M
M
X
X
X
X
X
X
X
X
X
X
4
V
M
M
3
V
M
M
2
V
M
M
1
V
M
M
0
V
M
M
h
0
0
0
8
MMV[4:0]
Mono Master Volume Control. The least significant bit represents 1.5 dB. This register controls the output from
0 dB to a maximum attenuation of –46.5 dB.
Mono Master Volume Mute. When this bit is set to “1,” the channel is muted.
MMM
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| AD1885 | AC’97 SoundMAX Codec |
| AD1885JST | AC’97 SoundMAX Codec |
| AD1886 | AC’97 SoundMAX Codec |
| AD1886A | IR Emitting Diode; Power Dissipation, Pd:50mW; Viewing Angle:45 ; Package/Case:SIP; Operating Temperature Range:-25 C to +85 C; Leaded Process Compatible:Yes RoHS Compliant: Yes |
| AD1886AJST | AC’97 SoundMAX Codec |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD1881AJSTZ | 制造商:Analog Devices 功能描述:IC AUDIO CODEC |
| AD1881AJSTZ-REEL | 制造商:Analog Devices 功能描述:Audio Codec 2ADC / 2DAC 16-Bit 48-Pin LQFP T/R |
| AD1881JST | 制造商:Analog Devices 功能描述:AC'97 SOUNDMAX CODEC 制造商:Analog Devices 功能描述:SOUNDCARD CIRCUITS, 48 Pin, Plastic, QFP |
| AD1882 | 制造商:AD 制造商全稱:Analog Devices 功能描述:High Definition Audio SoundMAX Codec |
| AD1882A | 制造商:AD 制造商全稱:Analog Devices 功能描述:High Definition Audio SoundMAX Codec |
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