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| 型号： | TPA6041A4RHBR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 音频／视频放大 |
| 英文描述： | 2.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC32 |
| 封装： | GREEN, PLASTIC, QFN-32 |
| 文件页数： | 13/30页 |
| 文件大小： | 1141K |
| 代理商： | TPA6041A4RHBR |
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Bridge-Tied Load Versus Single-Ended Mode
V
(RMS) +
V
O(PP)
2 2
Power +
V
(RMS)
2
R
L
(3)
RL
2x VO(PP)
VO(PP)
VDD
R
L
C
V
O(PP)
V
O(PP)
V
DD
–3dB
f
c
SLOS542 – AUGUST 2007
Windows Vista Premium Mobile Mode Specifications
Windows Premium Mobile Vista
Device Type
Requirement
TPA6041A4 Typical Performance
Specifications
THD+N
≤ –65 dB FS [20 Hz, 20 kHz]
–88 dB FS[20 Hz, 20 kHz]
Analog Speaker Line Jack
Dynamic Range with Signal
(RL = 10 k, FS = 0.707
≤ –80 dB FS A-Weight
–88 dB FS A-Weight
Present
Vrms)
Line Output Crosstalk
≤ –60 dB [20 Hz, 20 kHz]
–105 dB [20 Hz, 20 kHz]
THD+N
≤ –45 dB FS [20 Hz, 20 kHz]
–88 dB FS [20 Hz, 20 kHz]
Analog Headphone Out Jack
Dynamic Range with Signal
(RL = 32, FS = 0.300
≤ –80 dB FS A-Weight
–89 dB FS A-Weight
Present
Vrms)
Headphone Output Crosstalk
≤ –60 dB [20 Hz, 20 kHz]
–100 dB [20 Hz, 20 kHz]
Figure 41 shows a Class-AB audio power amplifier (APA) in a bridge-tied-load (BTL) configuration. The
TPA6041A4 speaker amplifier consists of two Class-AB differential amplifiers per channel driving the positive and
negative terminals of the load. Specifically, differential drive means that as one side of the amplifier (the positive
terminal, for example) is slewing up, the other side is slewing down, and vice versa. This doubles the voltage
swing across the load as opposed to a ground-referenced load, or a single-ended load. Power is proportional to
the square of the voltage. Plugging 2x VO(PP) into the power equation yields 4X the output power from the same
supply rail and load impedance as would have been obtained with a ground-referenced load (see Equation 3).
Figure 41. Differential Output Configuration
Figure 42. Single-Ended Configuration and Frequency Response
20
Copyright 2007, Texas Instruments Incorporated
Product Folder Link(s): TPA6041A4
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPA6041A4RHBRG4 | 功能描述:音频放大器 2W St Aud Pwr Amp 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 |
| TPA6043A4 | 制造商:TI 制造商全称:Texas Instruments 功能描述:2-W STEREO AUDIO POWER AMPLIFIER WITH DirectPath? STEREO HEADPHONE DRIVE AND REGULATOR |
| TPA6043A4RHB | 制造商:TI 制造商全称:Texas Instruments 功能描述:2-W STEREO AUDIO POWER AMPLIFIER WITH DirectPath⑩ STEREO HEADPHONE DRIVE AND REGULATOR |
| TPA6043A4RHBR | 功能描述:音频放大器 2-W Stereo Audio Power Amp 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 |
| TPA6043A4RHBRG4 | 功能描述:音频放大器 2W St Aud Pwr Amp 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 |
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