參數(shù)資料
型號(hào)： XWM8729ED
廠商： Wolfson Microelectronics
英文描述： 24-bit, 192kHz Stereo DAC
中文描述： 24位，192kHz的立體聲DAC
文件頁數(shù)： 13/15頁
文件大小： 169K
代理商： XWM8729ED
WM8729
Product Preview
WOLFSON MICROELECTRONICS LTD
PP Rev 1.2 April 2001
13
RECOMMENDED EXTERNAL COMPONENTS
DVDD
DGND
AGND
AVDD
VMID
C
9
C
8
AGND
6
5
Hardware Control
WM8729
Notes:
1. AGND and DGND should be connected as close to the WM8729 as possible.
2. C
2
, C
3
, C
4
and C
8
should be positioned as close to the WM8729 as possible.
3. Capacitor types should be carefully chosen. Capacitors with very low ESR are
recommended for optimum performance.
VREFP
VREFN
C
3
C
4
C
5
C
2
DVDD
C
1
16
FORMAT
15
DEM
VOUTR
10
C
6
VOUTL
C
7
AC-Coupled
VOUTR/L
to External LPF
14
MUTEB
7
AVDD
4
MCLK
3
BCKIN
2
DIN
Audio Serial Data I/F
DGND
AGND
1
LRCIN
9
13
8
12
+
+
+
11
+
+
Figure 17 External Component Diagram
RECOMMENDED EXTERNAL COMPONENTS VALUES
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/VREFP
De-coupling for DVDD and AVDD/VREFP
Output AC coupling caps to remove midrail DC level from outputs.
Reference de-coupling capacitors for VMID pin.
Table 6 External Components Description
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
XWM8734EDS/R 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:Stereo Audio CODEC
XWM8734EDS/RV 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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