參數(shù)資料
型號(hào)： TPA2010D1YEFT
廠商： TEXAS INSTRUMENTS INC
元件分類： 音頻／視頻放大
英文描述： 2.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA9
封裝： 1.45 X 1.45 MM, DSBGA-9
文件頁(yè)數(shù)： 3/25頁(yè)
文件大?。?/td> 783K
代理商： TPA2010D1YEFT
www.ti.com
_
+
IN-
IN+
PWM
H-
Bridge
VO+
VO-
Internal
Oscillator
CS
To Battery
VDD
GND
Bias
Circuitry
RI
Differential
Input
TPA2010D1
Filter-Free Class D
SHUTDOWN
CI
_
+
IN-
IN+
PWM
H-
Bridge
VO+
VO-
Internal
Oscillator
CS
To Battery
VDD
GND
Bias
Circuitry
RI
Single-ended
Input
TPA2010D1
Filter-Free Class D
SHUTDOWN
CI
SUMMING INPUT SIGNALS WITH THE TPA2010D1
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)
SLOS417C – OCTOBER 2003 – REVISED SEPTEMBER 2007
Figure 28. TPA2010D1 Application Schematic With Differential Input and Input Capacitors
Figure 29. TPA2010D1 Application Schematic With Single-Ended Input
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 TPA2010D1 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.
Copyright 2003–2007, Texas Instruments Incorporated
11
Product Folder Link(s): TPA2010D1
相關(guān)PDF資料
PDF描述
TPA2010D1YZFR 2.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA9
TPA2010D1YZFT 2.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA9
TPA2010D1YEF 2.5 W, 1 CHANNEL, AUDIO AMPLIFIER, BGA9
TPA2010D1YZF 2.5 W, 1 CHANNEL, AUDIO AMPLIFIER, BGA9
TPA2011D1YFFR 3.24 W, 1 CHANNEL, AUDIO AMPLIFIER, BGA9
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPA2010D1YZF 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.5-W MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER
TPA2010D1YZFR 功能描述:音頻放大器 Mono Filter-Free Class-D in WCSP 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
TPA2010D1YZFRG4 制造商:TI 功能描述:AUDIO POWER AMPLIFIER
TPA2010D1YZFT 功能描述:音頻放大器 Mono Filter-Free Class-D in WCSP 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
TPA2011D1 制造商:TI 制造商全稱:Texas Instruments 功能描述:3.2W Mono Filter-Free Class-D Audio Power Amplifier With Auto-Recovering Short-Circuit Protection
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