參數(shù)資料
型號(hào): WM8756
廠商: Wolfson Microelectronics
英文描述: 192KHZ SIX CHANNEL SACD COMPATIBLE AUDIO DAC
中文描述: 192kHz的六聲道SACD的兼容的音頻數(shù)模轉(zhuǎn)換器
文件頁數(shù): 35/39頁
文件大?。?/td> 330K
代理商: WM8756
WM8756
Advance Information
AI Rev 1.3 October 2001
35
RECOMMENDED EXTERNAL COMPONENTS
DVDD
DGND
AGND1
AVDD1
CAP
C
13
C
12
AGND
44
15
WM8756
BCKIN
LRCIN
NOTES:
1.
AGND and DGND should be connected as close to the WM8756 as possible.
2.
C
2
, C
3
, C
4
and C
12
should be positioned as close to the WM8756 as possible.
3.
Capacitor types should be carefully chosen. Capacitors with very low ESR are recommended for optimum performance.
AVDD2
AGND2
GR0
C
3
C
4
C
5
C
2
DVDD
C
1
OUT0R
34
C
6
OUT0L
C
7
AC-Coupled
OUT0R/L
to External LPF
36
AVDD
AGND
GR1
GR2
OUT1R
30
C
8
OUT1L
C
9
AC-Coupled
OUT1R/L
to External LPF
32
OUT2R
25
C
10
OUT2L
C
11
AC-Coupled
OUT2R/L
to External LPF
27
40
21
28
29
+
35
31
26
+
+
+
+
+
+
23
+
+
45
SCKI
46
47
1
DIN1
2
DIN2
Audio PCM Data I/F
48
DIN0
3
DSD0
4
DSD1
5
DSD2
7
DSD4
8
DSD5
Audio DSD Data I/F
6
DSD3
9
DSDCLK64
ML/I2S
Software I/F or
Hardware Control
Pins 20, 22, 24,
37-39 and 41are
no connects
DSDCLK128
10
AGND3
11
MODE
12
MUTE
DGND
16
17
MC/IWL
18
MD/DM
14
DSDB
13
LRCIN2
19
CSB
33
DMSLV
42
DMCKSEL
43
Figure 30 External Components Diagram
RECOMMENDED EXTERNAL COMPONENTS VALUES
COMPONENT
REFERENCE
C1 and C5
C2 to C4
C6 to C11
C12
C13
SUGGESTED
VALUE
10
μ
F
0.1
μ
F
10
μ
F
0.1
μ
F
10
μ
F
DESCRIPTION
De-coupling for DVDD and AVDD.
De-coupling for DVDD and AVDD.
Output AC coupling caps to remove midrail DC level from outputs.
Reference de-coupling capacitors for CAP pin.
Table 24 External Components Description
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