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參數(shù)資料
| 型號： | AN7199 |
| 廠商： | Panasonic Corporation |
| 英文描述： | Dual 20 W BTL power IC for car audio |
| 中文描述： | 雙20瓦橋接的汽車音響電源IC |
| 文件頁數(shù)： | 15/17頁 |
| 文件大?。?/td> | 131K |
| 代理商： | AN7199 |
ICs for Audio Common Use
AN7199Z
15
I
Technical Information (continued)
[2] Application note (continued)
10.
Beep sound input function
1) The application circuit using the beep sound input is shown in figure 8. Connect the beep signals from the
microcomputer to pin 10 via the capacitor C1 for DC cut and the resistor R1 for voltage gain adjustment.
2) The voltage gain of beep sound terminal is approx.
6.2 dB. In the setting value of figure 8, it becomes approx.
19.7 dB (f
=
1 kHz).
3) The beep sound is outputted to the output, terminals pin 2 and pin 15.
R
nf
2
G
VBEEP
=
×
G
VA
1/j
ω
C1
+
R1
+7.8 Κ+
15 k
+
R
nf
2
Figure 8
11. Two IC use
Figure 9 shows the application circuit example when two ICs are used :
Figure 9
15 k
15 k
R
nf
R
nf
47 k
7.8 k
G
VA
G
VA
V
REF
=
6.3 V
V
REF
=
6.3 V
10
2
15
C1
0.022
μ
F R1
Beep input
1
3
5
7
9
1
1
2
4
6
8
1
1
1
1
1
3
5
7
9
1
1
2
4
6
8
1
1
1
1
10 k
2 200
μ
F
2.2
μ
F
10 k
22
μ
F to 47
μ
F
10 k
10 k
10 k
0.022
μ
F
47 k
Standby
Power supply
Mute
In(RR)
In(FR)
In(RL)
In(FL)
Beep
S-GND
Out(RR)
Out(RL)
Out(FL)
Out(FR)
R
nf
600
300
G
VA
28 dB
34 dB
AN7198Z
AN7199Z
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| AN7199Z | 制造商:PANASONIC 制造商全稱:Panasonic Semiconductor 功能描述:Dual 20 W BTL power IC for car audio |
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| AN7204 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:FM Receiver Circuit |
| AN7205 | 制造商:Panasonic Industrial Company 功能描述:IC |
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