參數(shù)資料
型號(hào): TDA7317
廠商: 意法半導(dǎo)體
英文描述: Five Bands Digital Controlled Graphic Equalizer(五波段數(shù)控立體圖形均衡器)
中文描述: 五級(jí)數(shù)控圖形均衡器(五波段數(shù)控立體圖形均衡器)
文件頁(yè)數(shù): 8/12頁(yè)
文件大?。?/td> 233K
代理商: TDA7317
APPLICATION INFORMATION
A typical application is indicated in figure 4, while
the P.C. Board and components layout are re-
ported in figure 5. The external components, are
calculated for 2 different max boost/cut conditions
Graphic Equalizer
MSB
1
LSB
C0
FUNCTION
D3
0
0
0
0
1
D3
D3
D2
0
0
1
1
0
D2
D2
D1
0
1
0
1
0
D1
D1
D0
S2
C1
Band 1
Band 2
Band 3
Band 4
Band 5
cut
Boost
0dB
2dB
4dB
6dB
8dB
10dB
12dB
14dB
1
0
C2
C2
0
0
0
0
1
1
1
1
C1
C1
0
0
1
1
0
0
1
1
C0
C0
0
1
0
1
0
1
0
1
AX = 0.375dBsteps,BX = 3dB steps, CX = 2dB steps,X = dont’care
STATUS AFTER POWER-ON RESET
Volume
Graphic equalizer bands
-17.25dB
-12dB
TABLE 1:
Max Boost/cut = 20 dB (eachcell =
±
14dB
)
F (HZ)
10363.38
261.03
1036.34
3168.08
59.75
Q
R1 (K
)
47
47
47
47
43
R2 (K
)
5.1
5.1
5.1
5.1
7.5
C1 (nF)
0.820
33
8.2
2.7
220
C2 (nF)
1.2
47
12
3.9
100
Av max (dB)
13.52
13.63
13.52
13.57
13.88
BAND 1
BAND 2
BAND 3
BAND 4
BAND 5
1.49
1.49
1.49
1.49
1.11
For THD performance the sequence Band 1, 2, 3, 4, 5, is recommended
TABLE2
: MaxBoost/cut = 17dB (each cell =
±
12dB)
F (HZ)
10158.00
250.81
977.34
3429.00
61.82
Q
R1 (K
)
33
30
39
39
33
R2 (K
)
6.2
5.1
6.8
6.2
6.2
C1 (nF)
1.2
47
10
2.7
180
C2 (nF)
1
56
10
3.3
180
Av max (dB)
11.83
11.33
11.75
11.67
11.27
BAND 1
BAND 2
BAND 3
BAND 4
BAND 5
1.15
1.21
1.20
1.25
1.15
TDA7317
8/12
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