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參數資料
| 型號： | TPA2011D1YFFR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 3.24 W, 1 CHANNEL, AUDIO AMPLIFIER, BGA9 |
| 封裝： | 1.21 X 1.16 MM, 0.40 MM PITCH, GREEN, PLASTIC, DSBGA-9 |
| 文件頁數： | 7/24頁 |
| 文件大小： | 670K |
| 代理商： | TPA2011D1YFFR |
_
+
IN-
IN+
PWM
H-
Bridge
VO+
VO-
Internal
Oscillator
CS
To Battery
VDD
GND
Bias
Circuitry
RI2
Differential
Input 1
Filter-Free Class D
SHUTDOWN
RI1
Single-Ended
Input 2
CI2
Gain 1 +
V
O
V
I1
+
2 x 150 kW
R
I1
V
Gain 2 +
V
O
V
I2
+
2 x 150 kW
R
I2
V
C
I1 +
1
2p R
I1
f
c1
C
I2 +
1
2p R
I2
f
c2
C
P +
C
I1 )
C
I2
R
P +
R
I1
R
I2
R
I1 )
R
I2
www.ti.com
SLOS626A – DECEMBER 2009 – REVISED MAY 2010
Figure 32. Application Schematic With TPA2011D1 Summing Differential Input and Single-Ended Input
Signals
Summing Two Single-Ended Input Signals
Four resistors and three capacitors are needed for summing single-ended input signals. The gain and corner
frequencies (fc1 and fc2) for each input source can be set independently (see Equation 11 through Equation 14,
and Figure 33). Resistor, RP, and capacitor, CP, are needed on the IN+ terminal to match the impedance on the
IN– terminal. The single-ended inputs must be driven by low impedance sources even if one of the inputs is not
outputting an ac signal.
(11)
(12)
(13)
(14)
(15)
(16)
Copyright 2009–2010, Texas Instruments Incorporated
15
Product Folder Link(s) :TPA2011D1
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPA2011D1YFFT | 功能描述:音頻放大器 3.2W mono 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 |
| TPA2012D2 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.1 W/CH STEREO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER |
| TPA2012D2_07 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.1 W/CH STEREO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER |
| TPA2012D2EVM | 功能描述:音頻 IC 開發工具 TPA2012D2 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 |
| TPA2012D2PWP | 制造商:Texas Instruments 功能描述: |
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