參數(shù)資料
型號(hào)： TS4975EIJT
廠商： STMICROELECTRONICS
元件分類(lèi)： 音頻控制
英文描述： 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PBGA12
封裝： LEAD FREE, FLIP CHIP, 12 PIN
文件頁(yè)數(shù)： 20/36頁(yè)
文件大?。?/td> 870K
代理商： TS4975EIJT
Obsolete
Product(s)
- Obsolete
Product(s)
Obsolete
Product(s)
- Obsolete
Product(s)
TS4975
Application Information
27/36
and its value is:
Note:
This maximum value depends only on power supply voltage and load values.
The efficiency is the ratio between the output power and the power supply:
The maximum theoretical value is reached when VPEAK = VCC/2, so
Phantom ground configuration:
The average current delivered by the supply voltage is:
Figure 61. Current delivered by supply voltage in phantom ground mode
The power delivered by supply voltage is:
Then, the power dissipation by each amplifier is
and the maximum value is obtained when:
and its value is:
Note:
This maximum value depends only on power supply voltage and load values.
P
diss
MAX
V
CC
2
π
2
R
L
-------------
W
()
=
η
P
out
P
sup ply
-------------------
πV
PEAK
2V
CC
---------------------
==
η
π
4
---
78.5%
==
Icc
AVG
1
π
---
V
PEAK
R
L
-----------------
t
()
sin
t
d
0
π
∫
2V
PEAK
πR
L
---------------------
A
()
==
P
sup ply
V
CCICC
AVG
W
()
=
P
diss
22VCC
π R
L
---------------------- P
ou t
P
ou t
W
()
–
=
P
out
P
diss
0
=
P
diss
MA X
2V
CC
2
π
2
R
L
---------------
W
()
=
相關(guān)PDF資料
PDF描述
TS4982IQT 2 W, 2 CHANNEL, AUDIO AMPLIFIER, QCC32
TS4984EIJT 1.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA15
TS4984EIKJT 1.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA15
TS4984EKIJT 1.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA15
TS4984IQT 1 W, 2 CHANNEL, AUDIO AMPLIFIER, QCC16
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TS4982IQT 功能描述:音頻放大器 2W Stereo Audio Amp 125 mW 16 ohm 3 lvl RoHS:否 制造商:STMicroelectronics 產(chǎn)品:General Purpose Audio Amplifiers 輸出類(lèi)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
TS4984 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:2 x 1W Stereo audio power amplifier with active low standby mode
TS4984EIJT 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(lèi)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
TS4984EIKJT 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:1.2W Stereo Audio Power Amplifier with Active Low Standby Mode
TS4984FC 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:1.2W Stereo Audio Power Amplifier with Active Low Standby Mode
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