參數(shù)資料
型號(hào)： TS4984IQT
廠商： STMICROELECTRONICS
元件分類： 音頻／視頻放大
英文描述： 1 W, 2 CHANNEL, AUDIO AMPLIFIER, QCC16
封裝： 4 X 4 MM, 0.50 MM PITCH, LEAD FREE, TQFN-16
文件頁(yè)數(shù)： 18/29頁(yè)
文件大?。?/td> 901K
代理商： TS4984IQT
Application Information
TS4984
25/29
The value of the input capacitor CIN can be calculated with the following formula, using the -3dB lower
frequency required (where FL is the lower frequency required):
Note:
This formula is true only if:
is 5 times lower than FL.
The following bill of materials is provided as an example of a differential amplifier with a gain of 2 and a
-3 dB lower cut-off frequency of about 80 Hz.
Table 7: Example of a bill of material
Designator
Part Type
R1L = R1R
20k
/ 1%
R2L = R2R
20k
/ 1%
CinR = CinL
100nF
Cb=CS
1F
U1
TS4984
)
F
(
F
R
2
1
C
L
1
IN
π
≈
)
Hz
(
C
)
R
(
2
1
F
B
2
1
CB
+
π
=
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