參數(shù)資料
型號(hào)： TS4962IQT
廠商： STMICROELECTRONICS
元件分類： 音頻／視頻放大
英文描述： 2.8 W, 1 CHANNEL, AUDIO AMPLIFIER, DSO8
封裝： 3 X 3 MM, ROHS COMPLIANT, DFN-8
文件頁數(shù)： 29/44頁
文件大?。?/td> 586K
代理商： TS4962IQT
TS4962
Application information
Doc ID 10968 Rev 8
35/44
In the case where the distance between the TS4962 output and the speaker terminals is
high, it is possible to observe low frequency EMI issues due to the fact that the typical
operating frequency is 250 kHz. In this configuration, we recommend using an output filter
(as represented in Figure 1 on page 6). It should be placed as close as possible to the
device.
4.11
Several examples with summed inputs
4.11.1
Example 1: dual differential inputs
Figure 64.
Typical application schematic with dual differential inputs
With (Ri in kΩ):
R1
Cs
1u
GND
Vcc
SPEAKER
Standby
R2
E1+
E1-
E2-
E2+
In-
Stdby
In+
Out-
Out+
Vcc
1
4
3
7
8
6
5
GND
Internal
Bias
PWM
Output
Bridge
H
Oscillator
150k
+
-
300k
A
V
1
Out
+
Out
-
–
E
1
+
E
1
-
–
-------------------------------
300
R
1
----------
==
A
V
2
Out
+
Out
-
–
E
2
+
E
2
-
–
-------------------------------
300
R
2
----------
==
0.5V
V
CC
R
1
×
R
2
300
V
IC1
R
2
V
IC2
+
×
R
1
×
()
×
+
×
300
R
1
R
2
+
() 2R
1
×
R
2
×
+
×
--------------------------------------------------------------------------------------------------------------------------------
V
CC
0.8V
–
≤≤
V
IC
1
E
1
+
E
1
-
+
2
------------------------
=
and V
IC
2
E
2
+
E
2
-
+
2
------------------------
=
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TS4962MEIJT 3 W, 1 CHANNEL, AUDIO AMPLIFIER, PBGA9
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參數(shù)描述
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