参数资料
型号: TDA7400
厂商: STMICROELECTRONICS
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP44
封装: 10 X 10 MM, TQFP-44
文件页数: 6/28页
文件大小: 274K
代理商: TDA7400
additional stereo inputs. The input impedance of
the AC Inputs is always 50K
.
Speaker Attenuator
The speaker attenuators have exactely the same
structure and range like the Volume stage
0.0
2.5
5.0
7.5
10.0
12.5
15.0
10.0
100.0
1.0K
10.0K
Figure 9. 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
Figure 8. Bass Quality factors @ Gain = 14dB,
fc = 80Hz
0.0
2.5
5.0
7.5
10.0
12.5
15.0
10.0
100.0
1.0K
10.0K
Figure 11. Treble Center Frequencies
@ Gain = 14dB
-15.0
-10.0
-5.0
0.0
5.0
10.0
15.0
10.0
100.0
1.0K
10.0K
Figure 10. Treble Control @ fc = 17.5KHz
TDA7400
14/28
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