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STW5094AD 数据表(PDF) 45 Page - STMicroelectronics

部件名 STW5094AD
功能描述  18-bit Low Power Asynchronous Stereo Audio DAC with Integrated Power Amplifiers and Voice Codec
PDF  51 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STW5094AD 数据表(HTML) 45 Page - STMicroelectronics

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STw5094A
TYPICAL PERFORMANCE CHARACTERISTICS (simulations)
Plot 6.
In band Frequency response. FS=8 kHz
-1
-0.5
0
0.5
1
0
500
1000
1500
2000
2500
3000
3500
Freq. [Hz]
Digital Rx Voice Filter Characteristic
Plot 5.
Frequency response up to 2.5Fs
-70
-60
-50
-40
-30
-20
-10
0
0
2000 4000
6000
8000 10000 12000 14000 16000 18000 20000
Freq. [Hz]
Digital Rx Voice Filter Characteristic
Plot 3.
Frequency response up to 3.45 Fs
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
10
0
0.5
1
1.5
2
2.5
3
Normalized Freq. [Fs]
Digital Audio Filter Characteristic
Plot 4.
In band Frequency response
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
Normalized Freq. [Fs]
Digital Audio Filter Characteristic
Plot 2.
The filter compensates for pre-emphasis used on some
audio CDs. The gain error from ideal filtering is lower
than 0.1dB. The de-emphasis filter selection implies a
flat treble control.
-10
-8
-6
-4
-2
0
100
1000
10000
Freq. [Hz]
De-emphasis Filter
Plot 1.
Bass and treble gains are independently selectable in
any combination. Filters characteristics at Fs=44.1kHz
are plotted
-10
-5
0
5
10
100
1000
10000
Freq. [Hz]
Bass-Treble controls



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