參數(shù)資料
型號: TS4962MEIJT
廠商: STMICROELECTRONICS
元件分類: 音頻/視頻放大
英文描述: 3 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9
封裝: ROHS COMPLIANT, FCP-9
文件頁數(shù): 34/41頁
文件大?。?/td> 1104K
代理商: TS4962MEIJT
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
Cs
1u
GND
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
+
-
300k
TS4962
capacitors
Input
are optional
+
-
Differential
Input
In+
GND
In-
GND
Rin
Cs
1u
GND
Vcc
+
-
Differential
Input
capacitors
Input
are optional
In+
GND
In-
GND
2F
15H
Load
4 Ohms LC Output Filter
8 Ohms LC Output Filter
2F
GND
1F
30H
1F
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
+
-
300k
TS4962
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