參數(shù)資料
型號(hào): TDA7406T
廠商: STMICROELECTRONICS
元件分類: 消費(fèi)家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP44
封裝: 10 X 10 MM, TQFP-44
文件頁(yè)數(shù): 3/49頁(yè)
文件大?。?/td> 830K
代理商: TDA7406T
11/49
TDA7406T
2.3 Loudness
There are four parameters programmable in the loudness stage:
s
Attenuation: 0 to -19dB attenuation in 1dB steps vs. frequency (see the response at fP = 400Hz in Figure 2).
s
Peak Frequency: Four programmable peak frequencies: 200,400,600 and 800Hz (see Figure 3).
s
Filter Order: First or second order frequency response (see Figure 4).
s
Flat mode: Selectable flat-mode. In flat mode the loudness stage works as a 0dB to -19dB attenuator.
Figure 2. Loudness Attenuation @ fP = 400Hz.
Figure 3. Loudness Center frequencies @ Attn. = 15dB
dB
Hz
-25.0
-20.0
-15.0
-10.0
-5.0
0.0
10.0
100.0
1.0K
10.0K
dB
Hz
-20.0
-15.0
-10.0
-5.0
0.0
10.0
100.0
1.0K
10.0K
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