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TS4962M 数据表(PDF) 4 Page - STMicroelectronics

部件名 TS4962M
功能描述  3W filter-free class D audio power amplifier
PDF  41 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TS4962M 数据表(HTML) 4 Page - STMicroelectronics

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Application component information
TS4962M
4/41
2
Application component information
Figure 1.
Typical application schematics
Table 3.
Component information
Component
Functional description
Cs
Bypass supply capacitor. Install as close as possible to the TS4962M to
minimize high-frequency ripple. A 100nF ceramic capacitor should be
added to enhance the power supply filtering at high frequency.
Rin
Input resistor to program the TS4962M differential gain (gain
= 300k
Ω/Rin
with Rin in kΩ).
Input
capacitor
Due to common mode feedback, these input capacitors are optional.
However, they can be added to form with Rin a 1st order high pass filter with
-3dB cut-off frequency
= 1/(2*
π*Rin*Cin).
Rin
Rin
Cs
1u
GND
GND
GND
Vcc
Vcc
SPEAKER
In-
Stdby
In+
Out-
Out+
Vcc
C2
C1
A1
A2
A3
B1
B2
B3
C3
GND
Internal
Bias
PWM
Output
Bridge
H
Oscillator
150k
150k
+
-
TS4962
capacitors
Input
are optional
+
-
Differential
Input
In+
GND
In-
GND
Rin
Rin
Cs
1u
GND
GND
GND
Vcc
Vcc
+
-
Differential
Input
capacitors
Input
are optional
In+
GND
In-
GND
2µF
15µH
15µH
Load
4 Ohms LC Output Filter
8 Ohms LC Output Filter
2µF
GND
1µF
30µH
30µH
1µF
GND
In-
Stdby
In+
Out-
Out+
Vcc
C2
C1
A1
A2
A3
B1
B2
B3
C3
GND
Internal
Bias
PWM
Output
Bridge
H
Oscillator
150k
150k
+
-
TS4962



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