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TDA7720BTR 数据表(PDF) 22 Page - STMicroelectronics

部件名 TDA7720BTR
功能描述  3 band car audio processor
PDF  42 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7720BTR 数据表(HTML) 22 Page - STMicroelectronics

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Description of audioprocessor
TDA7720B
22/42
DocID024331 Rev 2
4.9
High-pass filter
The high-pass filter has 2 order filter characteristics with programmable cut-off frequency
(100 / 120 / 150 Hz
Figure 16. High-pass cut frequencies
4.10
Subwoofer filter
The subwoofer lowpass filter has Butterworth characteristics with programmable cut-off
frequency (55 Hz / 85 Hz/ 120 Hz/ 160 Hz). The output phase can be selected between
0 deg and 180 deg. The input of subwoofer takes signal from bass filter output or output of
input mux.
Figure 17. Subwoofer cut frequencies



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