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参数资料
| 型号： | TDA7409D |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频控制 |
| 英文描述： | 1 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO20 |
| 封装： | SOP-20 |
| 文件页数： | 5/25页 |
| 文件大小： | 299K |
| 代理商： | TDA7409D |
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TDA7409
1.7.4 DC Mode
In this mode the DC-gain is increased by 4.4dB. In addition the programmed center frequency and quality factor
is decreased by 25% which can be used to reach alternative center frequencies or quality factors.
Figure 11. Bass normal and DC Mode @ Gain = 14dB, fC = 80Hz
Note: The center frequency, Q and DC-mode can be set fully independently.
1.8 Treble
There are two parameters programmable in the treble stage:
1.8.1 Attenuation
Figure 12 shows the attenuation as a function of frequency at a center frequency of 17.5kHz.
Figure 12. Treble Control @ fC = 17.5kHz
0.0
2.5
5.0
7.5
10.0
12.5
15.0
10.0
100.0
1.0K
10.0K
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| TDA7409DTR | 功能描述:音频 DSP INFOTAINMENT SIGNAL RoHS:否 制造商:Texas Instruments 工作电源电压: 电源电流: 工作温度范围: 安装风格: 封装 / 箱体: 封装:Tube |
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