參數(shù)資料
型號: TS4962
廠商: 意法半導(dǎo)體
英文描述: 3W Filter-free Class D Audio Power Amplifier
中文描述: 3W無濾波器D類音頻功率放大器
文件頁數(shù): 3/22頁
文件大?。?/td> 1275K
代理商: TS4962
Application Component Information
TS4962
3/22
2 Application Component Information
Component
Functional Description
Cs
Bypass supply capacitor. To install as close as possible of the TS4962 to minimize high frequency rip-
ple. A 100nF ceramic capacitor should be add to enhance the power supply filtering in high frequency.
Rin
Input resistor to program the TS4962 differential gain (Gain = 300k
/Rin with Rin in k
)
Input
Capacitor
Thanks to common mode feedback, these input capacitors are optional. However, we can add then to
form with Rin a 1st order high pass filter with -3dB cut-off frequency = 1/(2*
π
*Rin*Cin)
Figure 1. Typical application
Rin
Rin
Cs
1u
GND
GND
GND
Vcc
Vcc
SPEAKER
In-
In+
Stdby
Out-
Out+
Vcc
C2
C1
A1
A2
A3
B1
B2
B3
C3
GND
Internal
Bias
PWM
Output
H
Bridge
Oscillator
150k
150k
+
-
3
TS4962
capacitors
are optional
Input
+
-
Differential
Input
In+
GND
In-
GND
1μF
15μH
15μH
Load
0.5μF
30μH
30μH
4 Ohms LC Output Filter
8 Ohms LC Output Filter
Rin
Rin
Cs
1u
GND
GND
GND
Vcc
Vcc
+
-
Differential
Input
In-
In+
Stdby
Out-
Out+
Vcc
C2
C1
A1
A2
A3
B1
B2
B3
C3
GND
Internal
Bias
PWM
Output
H
Bridge
Oscillator
150k
150k
+
-
3
TS4962
capacitors
are optional
Input
In+
GND
In-
GND
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