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參數(shù)資料
| 型號： | TPA6030A4 |
| 英文描述： | 3-W Stereo Audio Power Amplifier with Advanced DC Volume Control |
| 中文描述： | 3 - W立體聲音頻功率放大器與先進(jìn)的直流音量控制 |
| 文件頁數(shù)： | 20/33頁 |
| 文件大?。?/td> | 469K |
| 代理商： | TPA6030A4 |
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TPA6011A4
SLOS392
–
FEBRUARY 2002
20
www.ti.com
APPLICATION INFORMATION
FADE operation (continued)
In the fade-off mode, the amplifier stores the gain value prior to starting the shutdown sequence. The output
of the amplifier immediately drops to V
DD
/2 and the bypass capacitor begins a smooth discharge to ground.
When shutdown is released, the bypass capacitor charges up to V
DD
/2 and the channel gain returns
immediately to the value stored in memory. Figure 31 below is a waveform captured at the output during the
shutdown sequence when the part is in the fade-off mode. The gain is set to the highest level, and the output
is at V
DD
when the amplifier is shut down.
The power-up sequence is different from the shutdown sequence and the voltage on the FADE pin does not
change the power-up sequence. Upon a power-up condition, the TPA6011A4 begins in the lowest gain setting
and steps up 2 dB every 2 clock cycles until the final value is reached as determined by the dc voltage applied
to the VOLUME, SEDIFF, and SEMAX pins.
ROUT+
Device Shutdown
Figure 30. Shutdown Sequence in the Fade-on Mode
ROUT+
Device Shutdown
Figure 31. Shutdown Sequence in the Fade-off Mode
相關(guān)PDF資料 |
PDF描述 |
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| TPA6030A4PWP | Slide |
| TPA6100A2 | 50-mW Ultra-Low Voltage Audio Power Amp |
| TPA6110A2DGNR | Switchlocks |
| TPA6111A2DGNR | Rotary Keylock Switch; Key Removal Position:1; Circuitry:SPST; Indexing:90; Contact Current Max:4A; Contact Rating:4A; Leaded Process Compatible:Yes; Mounting Type:Solder Lug; No. of Switch Positions:1; Number of Positions:1 |
| TPA6111A2DR | Rotary Keylock Switch; Key Removal Position:1, 2; Circuitry:SPST; Indexing:90; Contact Current Max:4A; Contact Rating:4A; Leaded Process Compatible:Yes; Mounting Type:Solder Lug; No. of Switch Positions:2; Number of Positions:2 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPA6030A4_07 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:3-2 STEREO AUDIO POWER AMPLIFIER WITH ADVANCED DC VOLUME CONTROL |
| TPA6030A4EVM | 功能描述:音頻 IC 開發(fā)工具 TPA6030A4 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| TPA6030A4PWP | 功能描述:音頻放大器 Wide Supply Voltage Low Power Class-AB 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 |
| TPA6030A4PWPG4 | 功能描述:音頻放大器 Wide Supply Voltage Low Power Class-AB 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 |
| TPA6030A4PWPR | 功能描述:音頻放大器 Wide Supply Voltage Low Power Class-AB 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 |
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