參數(shù)資料
型號(hào)： AD1886
廠商： Analog Devices, Inc.
元件分類： Codec
英文描述： AC’97 SoundMAX Codec
中文描述： AC\u0026#39;97聲卡SoundMAX編解碼器
文件頁(yè)數(shù)： 23/28頁(yè)
文件大?。?/td> 281K
代理商： AD1886
REV. 0
AD1886A
–23–
DV
DD1
XTL_IN
XTL_OUT
DV
SS1
SDATA_OUT
BIT_CLK
DV
SDATA_IN
DV
DD2
SYNC
RESET
PC_BEEP
P
A
A
V
V
C
C
C
M
M
L
L
LINE_OUT_R
LINE_OUT_L
CX3D
RX3D
FILT_L
FILT_R
AFILT2
AFILT1
V
REFOUT
V
REF
AV
SS1
AV
DD1
S
J
I
I
A
S
A
D
N
H
A
S
H
A
D
M
AD1886A
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
4
4
4
4
4
4
4
4
4
3
3
3
1
1
1
1
1
1
1
2
2
2
2
2
0.1 F
+
10 F
47
47pF
24.576MHz
22pF
22pF
SDATA_OUT
SDATA_IN
SYNC
RESET
BIT_CLK
0.1 F
DVDD
0.1 F
10 F
U1
0.1 F
AVDD
10 F
+
0.1 F
270pF NPO
270pF NPO
0.1 F
47nF
+
1 F
+
1 F
FB
600Z
NOTE
ALL UNUSED ANALOG INPUTS (LINE_IN_L/R, VIDEO_L/R,
MIC1, MIC2, PC_BEEP, PHONE_IN, AND CD_L/R/GND)
MUST BE LEFT UNCONNECTED.
NOTE
IF NOT USED, GROUND
JACK SENSE PIN.
(PIN 47)
NC = NO CONNECT
AVDD
NCNC
NC
Figure 9. Recommended Power Connections, Decoupling and Support Components
SPDIF TRANSMITTER OUTPUT CONNECTION
The codec SPDIF output is located on Pin 48. This pin has a weak internal pull-up that allows detection of SPDIF connector
hardware at power-up and automatically enables or disables the SPDIF transmitter. This feature allows system manufacturers to
populate or depopulate SPDIF connector hardware according to their requirements.
When the output pin is simply left open (NC) or strapped high by a pull-up resistor, the internal sense circuitry disables the
SPDIF transmitter. This condition prevents the SPDIF enable bit on Register 2Ah from being enabled.
When the output pin is strapped low by a pull-down resistor (10 k
or less), the SPDIF transmitter is enabled and the SPDIF
enable bit on Register 2Ah can be asserted.
The following circuits (Figure 10 and Figure 11) describe two ways to provide an SPDIF connection to the codec.
INPUT
VCC
LED
GND
NC
NC
U1
TOTX173
TOSLINK
5
6
R1
8.2k
C1
0.1 F
5V
(LOGIC)
R2
10k
SPDIF OUT
(CODEC PIN 48)
4
3
2
1
NC = NO CONNECT
Figure 10. SPDIF Output Connection Using Optical Link
SPDIF OUT
(CODEC PIN 48)
U1A
1
2
R3
10k
1
5
4
8
T1
1:1
R2
110
R2
240
3.3V BUFFER
(CAPABLE OF
12mA DRIVE)
J1
RCA JACK
Figure 11. SPDIF Output Connection Using Electrical Link
相關(guān)PDF資料
PDF描述
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
AD1887JST AC’97 SoundMAX Codec
AD1887 AC’97 SoundMAX Codec
AD1888 FICHIER ROUGE
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD1886A 制造商:AD 制造商全稱:Analog Devices 功能描述:AC’97 SoundMAX Codec
AD1886AJST 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述:
AD1886AJST-REEL 制造商:Rochester Electronics LLC 功能描述: 制造商:Analog Devices 功能描述:
AD1886AJSTZ 制造商:Rochester Electronics LLC 功能描述:
AD1886AJSTZ-RL 制造商:Analog Devices 功能描述:Audio Codec EOL061109
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