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參數(shù)資料
| 型號： | TPA2035D1YZFR |
| 廠商： | Texas Instruments |
| 文件頁數(shù)： | 7/18頁 |
| 文件大小： | 0K |
| 描述： | IC AMP AUDIO PWR 2.75W D 9DSBGA |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 系列： | NanoFree™ |
| 類型： | D 類 |
| 輸出類型： | 1-通道（單聲道） |
| 在某負(fù)載時最大輸出功率 x 通道數(shù)量： | 2.75W x 1 @ 4 歐姆 |
| 電源電壓： | 2.5 V ~ 5.5 V |
| 特點(diǎn)： | 消除爆音，差分輸入，短路和熱保護(hù)，關(guān)閉 |
| 安裝類型： | 表面貼裝 |
| 供應(yīng)商設(shè)備封裝： | 9-DSBGA（1.8x1.8） |
| 封裝/外殼： | 9-UFBGA，DSBGA |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱： | 296-23655-6 |
WHEN TO USE AN OUTPUT FILTER
1 nF
Ferrite
Chip Bead
VO
VO+
Ferrite
Chip Bead
1 nF
www.ti.com ................................................................................................................................................................................................ SLOS562 – AUGUST 2008
Design the TPA2035D1 without an output filter if the traces from the amplifier to the speaker are short. Wireless
handsets and PDAs are great applications for this class-D amplifier to be used without an output filter.
The TPA2035D1 passed FCC- and CE-radiated emissions testing with no shielding with speaker trace wires 100
mm long or less. For longer speaker trace wires, a ferrite bead can often be used in the design if failing radiated
emissions testing without an LC filter; and, the frequency-sensitive circuit is greater than 1 MHz. If choosing a
ferrite bead, choose one with high impedance at high frequencies, but very low impedance at low frequencies.
The selection must also take into account the currents flowing through the ferrite bead. Ferrites can begin to
loose effectiveness at much lower than rated current values. See the EVM User's Guide (SLOU237) for
components used successfully by TI.
Figure 34 shows a typical ferrite-bead output filter.
Figure 34. Typical Ferrite Chip Bead Filter
Copyright 2008, Texas Instruments Incorporated
15
Product Folder Link(s): TPA2035D1
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TPA2035D1YZFT | 功能描述:音頻放大器 2.75W Fix Gain Mono Class-D 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 |
| TPA2036D1 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.5-W MONO CLASS-D AUDIO AMPLIFIER WITH AUTO-RECOVERY |
| TPA2036D1_11 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.5-W MONO CLASS-D AUDIO AMPLIFIER WITH AUTO-RECOVERY |
| TPA2036D1YZF | 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.5-W MONO CLASS-D AUDIO AMPLIFIER WITH AUTO-RECOVERY |
| TPA2036D1YZFEVM | 功能描述:音頻 IC 開發(fā)工具 TPA2036D1 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)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 |
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