参数资料
型号: TDA7411
厂商: STMICROELECTRONICS
元件分类: 音频控制
英文描述: 2 CHANNEL(S), TONE CONTROL CIRCUIT, PQFP44
封装: 10 X 10 MM, 1.40 MM HEIGHT, TQFP-44
文件页数: 4/43页
文件大小: 617K
代理商: TDA7411
Obsolete
Product(s)
- Obsolete
Product(s)
TDA7411
12/43
Quality Factors
Figure 6 shows the four possible quality factors 1, 1.25, 1.5 and 2.
Figure 6. Bass Quality factors @ Gain = 14dB, fC = 80Hz
DC Mode
In this mode the DC-gain is increased by 5.1dB. 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 7. Bass normal and DC Mode @ Gain = 14dB, fC = 80Hz
Note: In general the center frequency, Q and DC-mode can be set independently. The exception from this
rule is the mode (5/xx1111xx) where the center frequency is set to 150Hz instead of 100Hz.
0.0
2.5
5.0
7.5
10.
0
12.
5
15.
0
10.
0
100.
0
1.0K
10.0K
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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