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參數(shù)資料
| 型號： | TPA0202PWP |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO24 |
| 封裝： | GREEN, PLASTIC, HTSSOP-24 |
| 文件頁數(shù)： | 20/45頁 |
| 文件大?。?/td> | 1035K |
| 代理商： | TPA0202PWP |
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TPA0202
2-W STEREO AUDIO POWER AMPLIFIER
SLOS205B – FEBRUARY 1998 – REVISED DECEMBER 2000
27
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
For example, if the 5-V supply is replaced with a 3.3-V supply (TPA0202 has a maximum recommended VDD
of 5.5 V) in the calculations of Table 1, then efficiency at 0.5 W would rise from 44% to 67% and internal power
dissipation would fall from 0.62 W to 0.25 W at 5 V. Then for a stereo 0.5-W system from a 3.3-V supply, the
maximum draw would only be 1.5 W as compared to 2.24 W from 5 V. In other words, use the efficiency analysis
to choose the correct supply voltage and speaker impedance for the application.
selection of components
Figure 62 and Figure 63 are a schematic diagrams of a typical notebook computer application circuits.
CB
1
F
CS
0.1
F
(see Note A)
Right
MUX
RLINEIN
RHPIN
Left
MUX
LHPIN
LLINEIN
Bias, Mute,
Shutdown,
and SE/BTL
MUX Control
+
–
+
–
RBYPASS
MUTE IN
MUTE OUT
SHUTDOWN
LBYPASS
ROUT+
ROUT –
RVDD
LVDD
LOUT+
LOUT –
SE/BTL
HP/LINE
CIR
1
F
RIR
10 k
RFR
50 k
CFR
5 pF
System
Control
CIL
1
F
RIL
10 k
NC
4
5
6
8
9
11
19
20
21
RFL
50 k
CFL
5 pF
100 k
100 k
VDD
COUTR
330
F
COUTL
330
F
10
3
16
7
14
18
15
22
1 k
1 k
0.1
F
NOTE A: A 0.1
F ceramic capacitor should be placed as close as possible to the IC. For filtering lower-frequency noise signals, a larger aluminum
electrolytic capacitor of 10
F or greater should be placed near the audio power amplifier.
Figure 62. TPA0202 Minimum Configuration Application Circuit
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TPA0202PWPG4 | 2.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO24 |
| TPA0202PWPRG4 | 2.2 W, 2 CHANNEL, AUDIO AMPLIFIER, PDSO24 |
| TPA0211DGN | 2 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| TPA0211DGNR | 2 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
| TPA0211DGNG4 | 2 W, 1 CHANNEL, AUDIO AMPLIFIER, PDSO8 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPA0202PWPG4 | 功能描述:音頻放大器 2W Stereo A 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 |
| TPA0202PWPR | 功能描述:音頻放大器 2W St Aud 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 |
| TPA0202PWPRG4 | 功能描述:音頻放大器 2W St Aud 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 |
| TPA0211 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2-W MONO AUDIO POWER AMPLIFIER |
| TPA0211_07 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2-W MONO AUDIO POWER AMPLIFIER |
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