參數(shù)資料
型號(hào)： TPA2006D1DRBRG4
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(yè)數(shù)： 4/25頁(yè)
文件大小： 1002K
代理商： TPA2006D1DRBRG4
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
source can be set independently (see Equation 4 and Equation 5, and Figure 30).
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
相關(guān)PDF資料
PDF描述
TPA2006D1DRBTG4 1.45 W, 1 CHANNEL, AUDIO AMPLIFIER, PQCC8
TPA2008D2PWPR 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO24
TPA2008D2PWP 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO24
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TPA2008D2PWPRG4 2 CHANNEL(S), VOLUME CONTROL CIRCUIT, PDSO24
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPA2006D1DRBT 功能描述:音頻放大器 1.45W Mono Fil-Free Class-D Audio 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
TPA2006D1DRBTG4 功能描述:音頻放大器 1.45W Mono Fil-Free Class-D Audio 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
TPA2006D1EVM 功能描述:音頻 IC 開發(fā)工具 AUD POWER AMP RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)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
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