參數(shù)資料
型號： TS4984EKIJT
廠商： STMICROELECTRONICS
元件分類： 音頻／視頻放大
英文描述： 1.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA15
封裝： LEAD FREE, FCP-15
文件頁數(shù)： 17/29頁
文件大?。?/td> 1751K
代理商： TS4984EKIJT
Application Information
TS4984FC
24/29
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 -3dB lower cut-off frequency of about 80Hz.
Figure 67. Differential input amplifier configuration
Table 8.
Example of a bill of materials
Designator
Part Type
R1L = R1R
20k
/ 1%
R2L = R2R
20k
/ 1%
CinR = CinL
100nF
Cb=CS
1F
U1
TS4984
R1L
CinL
R2L
VCC
+ Cs
+ Cb
Neg. Input LEFT
8 Ohms
LEFT Speaker
8 Ohms
RIGHT Speaker
R1R
CinR
R2R
Neg. Input RIGHT
StandBy
Control
R1L
CinL
Pos. Input LEFT
R1R
CinR
Pos. Input RIGHT
R2L
R2R
Bias
StandBy
V
CC1
GN
D
1
BypassL
GN
D
2
V
CC2
VO-L
VO+L
VO-R
VO+R
IN-L
IN+L
IN+R
IN-R
+
-
+
-
+
-
AV = -1
+
-
AV = -1
BypassR
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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TS4984FC 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:1.2W Stereo Audio Power Amplifier with Active Low Standby Mode
TS4984IQT 功能描述:音頻放大器 2x1W stereo audio Pwr amp RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TS4985 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2x1.2w Stereo Audio Power Amplifier with Dedicated Standby Pins
TS4985EIJT 功能描述:音頻放大器 2x1.2W stereo audio RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel
TS4985EIKJT 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2x1.2w Stereo Audio Power Amplifier with Dedicated Standby Pins
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