參數(shù)資料
型號： XWM8728EDS
廠商： Wolfson Microelectronics
英文描述： 24-bit, 192kHz Stereo DAC with Volume Control and DSD Support
中文描述： 24位，192kHz立體聲DAC，具有音量控制和渠務(wù)署支持
文件頁數(shù)： 26/28頁
文件大?。?/td> 266K
代理商： XWM8728EDS
WM8728
Product Preview
WOLFSON MICROELECTRONICS LTD
PP Rev 1.2 April 2001
26
RECOMMENDED DSD EXTERNAL COMPONENTS
20
DVDD
DGND
LATI2S
AGND
AVDD
VMID
C
9
C
8
AGND
7
6
MUTE Control
WM8728
MODE
Notes:
1. AGND and DGND should be connected as close to the WM8728 as possible.
2. C
2
, C
3
, C
4
and C
8
should be positioned as close to the WM8728 as possible.
3. Capacitor types should be carefully chosen. Capacitors with very low ESR are
recommended for optimum performance.
4. When using monophase DSD encoding pin 3 BCKIN should be tied to
DVDD. In Biphase DSD encoding BCKIN runs at 2 cycles per bit.
VREFP
VREFN
C
3
C
4
C
5
C
2
DVDD
C
1
19
SCKDSD
18
SDIDEM
VOUTR
11
C
6
VOUTL
C
7
AC-Coupled
VOUTR/L
to External LPF
16
17
MUTEB
8
AVDD
4
MCLK
3
BCKIN
2
DIN
DSD right bitstream
DSD bit clock
DSD biphase mode clock
DGND
AGND
1
LRCIN
10
14
9
13
+
+
+
12
+
+
5
ZERO
15
CSBIWL
DGND
DVDD
DSD left bitstream
Figure 31 External Connections for DSD Applications
RECOMMENDED EXTERNAL COMPONENTS VALUES FOR DSD
COMPONENT
REFERENCE
C1 and C5
C2 to C4
C6 and C7
C8
C9
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 VMID pin.
Table 23 External Components for DSD
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XWM8728EDS/R 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:24-bit, 192kHz Stereo DAC with Volume Control
XWM8729ED 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:24-bit, 192kHz Stereo DAC
XWM8731EDS 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:Portable Internet Audion CODEC with Headphone Driver and Programmable Sample Rates
XWM8733ED 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:102dB Stereo DAC
XWM8734EDS 功能描述:接口—CODEC Stereo CODEC RoHS:否 制造商:Texas Instruments 類型: 分辨率: 轉(zhuǎn)換速率:48 kSPs 接口類型:I2C ADC 數(shù)量:2 DAC 數(shù)量:4 工作電源電壓:1.8 V, 2.1 V, 2.3 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:DSBGA-81 封裝:Reel
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