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參數資料
| 型號： | TPA2051D3YFFT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | 2.9 W, 2 CHANNEL, AUDIO AMPLIFIER, PBGA25 |
| 封裝： | 2.16 X 2.11 MM, 0.40 MM PITCH, GREEN, WCSP-25 |
| 文件頁數： | 21/34頁 |
| 文件大小： | 1594K |
| 代理商： | TPA2051D3YFFT |
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FM Tuner
ABB
Codec
(MP3)
TPA2051D3
MonoClass-D
plus
DirectPathTM
8 Dual-Mode
Speaker
Stereo
HeadphoneJack
Mono+
Mono-
Left
(SE)
Right
(SE)
Left
(SE)
Right
(SE)
Bypass+
Bypass-
FILTER FREE OPERATION AND FERRITE BEAD FILTERS
Package Dimensions
SLOS641A – JUNE 2009 – REVISED OCTOBER 2009 ..................................................................................................................................................... www.ti.com
Figure 42. Example of Low Pass Input Filter Application
A ferrite bead filter can often be used if the design is failing radiated emissions without an LC filter and the
frequency sensitive circuit is greater than 1 MHz. This filter functions well for circuits that just have to pass FCC
and CE because FCC and CE only test radiated emissions greater than 30 MHz. When choosing a ferrite bead,
choose one with high impedance at high frequencies, and very low impedance at low frequencies. In addition,
select a ferrite bead with adequate current rating to prevent distortion of the output signal.
Use an LC output filter if there are low frequency (< 1 MHz) EMI sensitive circuits and/or there are long leads
from amplifier to speaker.
Figure 43 shows typical ferrite bead output filters.
Figure 43. Typical Ferrite Bead Filter (Chip bead example: TDK: MPZ1608S221A)
D
E
Max = 2190m
Max = 2130m
Min = 2136m
Min = 2076m
28
Copyright 2009, Texas Instruments Incorporated
Product Folder Link(s): TPA2051D3
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相關代理商/技術參數 |
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| TPA2054D4A | 制造商:TI 制造商全稱:Texas Instruments 功能描述:1.4 W/CH STEREO CLASS-D AUDIO SUBSYSTEM WITH DirectPatha?￠ HEADPHONE AMPLIFIER AND 3:1 INPUT MUX |
| TPA2054D4AYZKR | 功能描述:音頻放大器 1.4 W/Ch 3-Inp Audio Subsystem 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 |
| TPA2054D4AYZKT | 功能描述:音頻放大器 1.4 W/Ch 3-Inp Audio Subsystem 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 |
| TPA2054D4YZKEVM | 功能描述:音頻 IC 開發工具 TPA2054D4YZKEVM 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 |
| TPA2054D4YZKR | 功能描述:音頻放大器 1.4 W/Ch Stereo Class-D Aud Subsys 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 |
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