參數(shù)資料
型號： CDB4327
廠商： Cirrus Logic, Inc.
英文描述： Low Cost, 20-Bit, Stereo, Audio D/A Converter
中文描述： 低成本，20位，立體聲，音頻D / A轉(zhuǎn)換
文件頁數(shù)： 13/36頁
文件大?。?/td> 1928K
代理商： CDB4327
CS4327
DS190F1
13
Analog Output and Filtering
The CS4327 contains an on-chip buffer amplifier
producing single-ended outputs. Each output will
produce a nominal 2.83 Vpp (1 Vrms) output with
a 2.3 volt common mode for a full scale digital in-
put.
The CS4327 filter is a linear phase design and does
not include phase or amplitude compensation for
an external filter. Therefore, the DAC system phase
and amplitude response will be dependent on the
external analog circuitry. The second-order low-
pass filter with a -3 dB frequency of 50 kHz shown
in Figure 10 will give good results in most applica-
tions. The design of this filter is discussed in AN55,
the Crystal Applications Note "Design Notes for a
2-pole Filter." Figure 11 displays the the output
spectrum of the CS4327. Figure 12 displays the
output spectrum following the 2-pole filter. Notice
the attenuation beyond 50 kHz.
_
150 pF
3.4k
10k
100 pF
+
20k
Figure 10. 2-pole Butterworth Fillter
Figure 11. CS4327 Output Spectrum
Fs = 48 kHz
Figure 12. 2-pole Filtered Output Spectrum
Fs = 48 kHz
相關(guān)PDF資料
PDF描述
CDB4328 18-Bit, Stereo D/A Converter for Digital Audio
CDB4329 20-Bit, Stereo D/A Converter for Digital Audio
CDB4340A 24-Bit, 192 kHz Stereo DAC for Audio
CDB4340 24-Bit, 96 kHz Stereo DAC for Audio
CDB4341A 24-Bit, 192 kHz Stereo DAC with Volume Control
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CDB4328 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:18-Bit, Stereo D/A Converter for Digital Audio
CDB4329 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:20-Bit, Stereo D/A Converter for Digital Audio
CDB4334 功能描述:音頻 IC 開發(fā)工具 Eval Bd 8Pin 24-Bit 96kHz DAC RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V
CDB4338 功能描述:音頻 IC 開發(fā)工具 Eval Bd 8Pin 96kHz DAC RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V
CDB4339 功能描述:音頻 IC 開發(fā)工具 Eval Bd 8Pin 96kHz DAC RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V
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