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参数资料
| 型号： | TPA2010D1YEFT |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 2.5 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA9 |
| 封装： | 1.45 X 1.45 MM, DSBGA-9 |
| 文件页数： | 3/25页 |
| 文件大小： | 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
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
相关PDF资料 |
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 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TPA2010D1YZF | 制造商:TI 制造商全称:Texas Instruments 功能描述:2.5-W MONO FILTER-FREE CLASS-D AUDIO POWER AMPLIFIER |
| TPA2010D1YZFR | 功能描述:音频放大器 Mono Filter-Free Class-D in WCSP RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TPA2010D1YZFRG4 | 制造商:TI 功能描述:AUDIO POWER AMPLIFIER |
| TPA2010D1YZFT | 功能描述:音频放大器 Mono Filter-Free Class-D in WCSP RoHS:否 制造商:STMicroelectronics 产品:General Purpose Audio Amplifiers 输出类型:Digital 输出功率: THD + 噪声: 工作电源电压:3.3 V 电源电流: 最大功率耗散: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:TQFP-64 封装:Reel |
| TPA2011D1 | 制造商:TI 制造商全称: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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