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參數資料
| 型號： | TPA2006D1DRBTG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 1.45 W, 1 CHANNEL, AUDIO AMPLIFIER, PQCC8 |
| 封裝： | 3 X 3 MM, GREEN, PLASTIC, SON-8 |
| 文件頁數： | 4/25頁 |
| 文件大小： | 1002K |
| 代理商： | TPA2006D1DRBTG4 |
SUMMING INPUT SIGNALS WITH THE TPA2006D1
Summing Two Differential Input Signals
Gain 1 +
V
O
V
I1
+
2 x 150 kW
R
I1
V
(4)
Gain 2 +
V
O
V
I2
+
2 x 150 kW
R
I2
V
(5)
Filter-FreeClassD
SHUTDOWN
SLOS498A – SEPTEMBER 2006 – REVISED JULY 2008 ................................................................................................................................................. www.ti.com
Most wireless phones or PDAs need to sum signals at the audio power amplifier or just have two signal sources
that need separate gain. The TPA2006D1 makes it easy to sum signals or use separate signal sources with
different gains. Many phones now use the same speaker for the earpiece and ringer, where the wireless phone
would require a much lower gain for the phone earpiece than for the ringer. PDAs and phones that have stereo
headphones require summing of the right and left channels to output the stereo signal to the mono speaker.
Two extra resistors are needed for summing differential signals (a total of 5 components). The gain for each input
If summing left and right inputs with a gain of 1 V/V, use RI1 = RI2 = 300 k.
Figure 30. Application Schematic With TPA2006D1 Summing Two Differential Inputs
12
Copyright 2006–2008, Texas Instruments Incorporated
Product Folder Link(s): TPA2006D1
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相關代理商/技術參數 |
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| TPA2006D1EVM | 功能描述:音頻 IC 開發工具 AUD POWER AMP RoHS:否 制造商:Texas Instruments 產品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| TPA2008D2 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:3-W STEREO CLASS-D AUDIO POWER AMPLIFIER WITH DC VOLUME CONTROL |
| TPA2008D2_07 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:3-W STEREO CLASS-D AUDIO POWER AMPLIFIER WITH DC VOLUME CONTROL |
| TPA2008D2EVM | 功能描述:音頻 IC 開發工具 TPA2008D2 Eval Mod RoHS:否 制造商:Texas Instruments 產品:Evaluation Kits 類型:Audio Amplifiers 工具用于評估:TAS5614L 工作電源電壓:12 V to 38 V |
| TPA2008D2PWP | 功能描述:音頻放大器 Stereo Hi-Pwr 5-V Filter-Free Class-D RoHS:否 制造商:STMicroelectronics 產品: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: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
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