參數(shù)資料
型號: WM8768GEDS
廠商: Wolfson Microelectronics
英文描述: 24-bit, 192kHz 8-Channel DAC
中文描述: 24位,192kHz的8通道DAC
文件頁數(shù): 36/38頁
文件大小: 393K
代理商: WM8768GEDS
WM8768
Production Data
w
PD Rev 4.1 March 2005
36
SUGGESTED ANALOGUE LOW PASS POST DAC FILTERS
It is recommended that a lowpass filter be applied to the output from each DAC channel for Hi Fi
applications. Typically a second order filter is suitable and provides sufficient attenuation of high
frequency components (the unique low order, high bit count multi-bit sigma delta DAC structure used
in WM8768 produces much less high frequency output noise than normal sigma delta DACs. This
filter is typically also used to provide the 2x gain needed to provide the standard 2Vrms output level
from most consumer equipment. Figure 32 shows a suitable post DAC filter circuit, with 2x gain.
Alternative inverting filter architectures might also be used with as good results.
7.5k
1.8k
10uF
1.0nF
47k
4.7k
4.7k
680pF
51
OP_FIL
VOUT1L
OP_FIL
VOUT1R
OP_FIL
VOUT2R
OP_FIL
VOUT2L
OP_FIL
VOUT3L
OP_FIL
VOUT3R
OP_FIL
VOUT4L
OP_FIL
VOUT4R
Figure 32 Recommended Post DAC Filter Circuit
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
WM8768GEDS/R 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:24-bit, 192kHz 8-Channel DAC
WM8768GEDS/RV 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 8-Channel DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
WM8768GEDS/V 功能描述:音頻數(shù)/模轉(zhuǎn)換器 IC 8-Channel DAC RoHS:否 制造商:Texas Instruments 轉(zhuǎn)換器數(shù)量: 分辨率:16 bit 接口類型:I2S, UBS 轉(zhuǎn)換速率: 信噪比:98 dB 工作電源電壓:5 V DAC 輸出端數(shù)量:2 工作溫度范圍:- 25 C to + 85 C 電源電流:23 mA 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-32 封裝:Reel
WM8770 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:24-bit, 192kHz 8-Channel Codec with Volume Control
WM8770SIFT 制造商:WOLFSON 制造商全稱:WOLFSON 功能描述:24-bit, 192kHz 8-Channel Codec with Volume Control