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TDA7720B 数据表(PDF) 5 Page - STMicroelectronics

部件名 TDA7720B
功能描述  3 band car audio processor
PDF  42 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7720B 数据表(HTML) 5 Page - STMicroelectronics

  TDA7720B Datasheet HTML 1Page - STMicroelectronics TDA7720B Datasheet HTML 2Page - STMicroelectronics TDA7720B Datasheet HTML 3Page - STMicroelectronics TDA7720B Datasheet HTML 4Page - STMicroelectronics TDA7720B Datasheet HTML 5Page - STMicroelectronics TDA7720B Datasheet HTML 6Page - STMicroelectronics TDA7720B Datasheet HTML 7Page - STMicroelectronics TDA7720B Datasheet HTML 8Page - STMicroelectronics TDA7720B Datasheet HTML 9Page - STMicroelectronics Next Button
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TDA7720B
List of figures
List of figures
Figure 1.
Block circuit diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Figure 2.
Pins connection (top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Figure 3.
Loudness attenuation @ fP = 400 Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 4.
Loudness center frequencies @ attn. = 15 dB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Figure 5.
Loudness attenuation, fc = 2.4 kHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 6.
Soft-mute timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Figure 7.
Bass control @ fc = 80 Hz, Q = 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Figure 8.
Bass center frequencies @ gain = 14 dB, Q = 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 9.
Bass quality factors @ gain = 14 dB, fc = 80 Hz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Figure 10.
Bass normal and DC mode @ gain = 14 dB, fc = 80 Hz . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 11.
Middle control @ fc = 1 kHz, Q = 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Figure 12.
Middle center frequency @ gain = 14 dB, Q = 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 13.
Middle quality factors @ gain = 14 dB, fc =1 kHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 14.
Treble control @ fc = 17.5 kHz . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 15.
Treble center frequencies @ gain = 14 dB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Figure 16.
High-pass cut frequencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 17.
Subwoofer cut frequencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 18.
DC offset detection circuit (simplified) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Figure 19.
Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Figure 20.
I2C bus interface protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Figure 21.
I2C bus data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Figure 22.
TSSOP28 mechanical data and package dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40



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