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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的直流音量控制 |
| 文件頁數(shù)： | 18/33頁 |
| 文件大小： | 469K |
| 代理商： | TPA6030A4 |
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TPA6011A4
SLOS392
–
FEBRUARY 2002
18
www.ti.com
APPLICATION INFORMATION
SE/BTL operation (continued)
SE/BTL
ROUT+
24
R
MUX
RHPIN
RLINEIN
5
4
6
RIN
ROUT
–
2
1 k
CO
330
μ
F
100 k
23
100 k
VDD
Input
MUX
Control
22
HP/LINE
_
+
_
+
Bypass
_
+
Bypass
EN
_
+
Bypass
LOUT+
Figure 29. TPA6011A4 Resistor Divider Network Circuit
Using a 1/8-in. (3,5 mm) stereo headphone jack, the control switch is closed when no plug is inserted. When
closed the 100-k
/1-k
divider pulls the SE/BTL input low. When a plug is inserted, the 1-k
resistor is
disconnected and the SE/BTL input is pulled high. When the input goes high, the OUT
–
amplifier is shut down
causing the speaker to mute (open-circuits the speaker). The OUT+ amplifier then drives through the output
capacitor (C
o
) into the headphone jack.
HP/LINE operation
The HP/LINE input controls the internal input multiplexer (MUX). Refer to the block diagram in Figure 29. This
allows the device to switch between two separate stereo inputs to the amplifier. For design flexibility, the
HP/LINE control is independent of the output mode, SE or BTL, which is controlled by the aforementioned
SE/BTL pin. To allow the amplifier to switch from the LINE inputs to the HP inputs when the output switches from
BTL mode to SE mode, simply connect the SE/BTL control input to the HP/LINE input.
When this input is logic high, the RHPIN and LHPIN inputs are selected. When this terminal is logic low, the
RLINEIN and LLINEIN inputs are selected. This operation is also detailed in Table 3 and the trip levels for a logic
low (V
IL
) or logic high (V
IH
) can be found in the
recommended operating conditions
table on page 4.
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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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