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參數(shù)資料
| 型號(hào)： | TPA6041A4RHBR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2.6 W, 2 CHANNEL, AUDIO AMPLIFIER, PQCC32 |
| 封裝： | GREEN, PLASTIC, QFN-32 |
| 文件頁數(shù)： | 13/30頁 |
| 文件大?。?/td> | 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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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPA6041A4RHBRG4 | 功能描述:音頻放大器 2W St Aud Pwr 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 |
| TPA6043A4 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2-W STEREO AUDIO POWER AMPLIFIER WITH DirectPath? STEREO HEADPHONE DRIVE AND REGULATOR |
| TPA6043A4RHB | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2-W STEREO AUDIO POWER AMPLIFIER WITH DirectPath⑩ STEREO HEADPHONE DRIVE AND REGULATOR |
| TPA6043A4RHBR | 功能描述:音頻放大器 2-W Stereo Audio Power 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 |
| TPA6043A4RHBRG4 | 功能描述:音頻放大器 2W St Aud Pwr 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 |
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