參數(shù)資料
型號(hào)： 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(yè)數(shù)： 22/28頁(yè)
文件大?。?/td> 266K
代理商： XWM8728EDS
WM8728
Product Preview
WOLFSON MICROELECTRONICS LTD
PP Rev 1.2 April 2001
22
INFINITE ZERO DETECTION
Setting the IZD register bit determines whether the device is automuted when a sequence of more
than 1024 ZEROS is detected.
REGISTER ADDRESS
0011
Interface Control
BIT
8
LABEL
IZD
DEFAULT
0
DESCRIPTION
Infinite ZERO detection circuit
control and automute control
0: Infinite ZERO detect disabled
1: Infinite ZERO detect enabled
Table 20 IZD Control
DIGITAL FILTER CHARACTERISTICS
PARAMETER
Passband Edge
Passband Ripple
Stopband Attenuation
SYMBOL
TEST CONDITIONS
-3dB
f < 0.444fs
f > 0.555fs
MIN
TYP
0.487fs
MAX
UNIT
±
0.05
dB
dB
-60
Table 21 Digital Filter Characteristics
DAC FILTER RESPONSES
-120
-100
-80
-60
-40
-20
0
0
0.5
1
2
2.5
3
R
Frequ1.5
Figure 16 DAC Digital Filter Frequency Response
-44.1, 48 and 96kHz
-0.2
-0.15
-0.1
-0.05
0
0.05
0.1
0.15
0.2
0
0.05
0.1
0.15
0.2
Freq0.25
0.3
0.35
0.4
0.45
0.5
R
Figure 17 DAC Digital Filter Ripple
-44.1, 48 and 96kHz
-80
-60
-40
-20
0
0
0.2
0.4
Frequency (Fs)
0.6
0.8
1
R
Figure 18 DAC Digital Filter Frequency Response
-192kHz
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0
0.05
0.1
0.15
0.2
Freq0.25
0.3
0.35
0.4
0.45
0.5
R
Figure 19 DAC Digital Filter Ripple
-192kHz
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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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