參數(shù)資料
型號(hào)： TPA3007D1PWRG4
廠商： Texas Instruments
文件頁(yè)數(shù)： 9/23頁(yè)
文件大小： 0K
描述： IC AMP AUDIO PWR 6.5W D 24TSSOP
標(biāo)準(zhǔn)包裝： 2,000
類型： D 類
輸出類型： 1-通道（單聲道）
在某負(fù)載時(shí)最大輸出功率 x 通道數(shù)量： 6.5W x 1 @ 8 歐姆
電源電壓： 8 V ~ 18 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： 24-TSSOP
封裝/外殼： 24-TSSOP（0.173"，4.40mm 寬）
包裝： 帶卷 (TR)
配用： 296-18925-ND - EVAL MODULE FOR TPA3007D1
www.ti.com
USING LOW-ESR CAPACITORS
PRINTED-CIRCUIT BOARD (PCB) LAYOUT
Related Documentation
SLOS418D – SEPTEMBER 2003 – REVISED MARCH 2008
Ideally, the device should be held in shutdown when the system powers up and brought out of shutdown once
any digital circuitry has settled. However, if SHUTDOWN is to be left unused, the terminal may be connected
directly to VCC.
Low-ESR capacitors are recommended throughout this application section. A real (as opposed to ideal) capacitor
can be modeled simply as a resistor in series with an ideal capacitor. The voltage drop across this resistor
minimizes the beneficial effects of the capacitor in the circuit. The lower the equivalent value of this resistance
the more the real capacitor behaves like an ideal capacitor.
Because the TPA3007D1 is a class-D amplifier that switches at a high frequency, the layout of the printed-circuit
board (PCB) should be optimized according to the following guidelines for the best possible performance.
Decoupling capacitors—As described in the Power Supply Decoupling section, the high-frequency 0.1-F
decoupling capacitors should be placed as close to the PVCC (pin 9 and pin 16) and VCC (pin 24) terminals
as possible. The BYPASS (pin 22) capacitor, VREF (pin 23) capacitor, and VCLAMP (pin 7) capacitor should
also be placed as close to the device as possible. The large (10
F or greater) bulk power supply decoupling
capacitor should be placed near the TPA3007D1.
Grounding—The VCC (pin 24) decoupling capacitor, VREF (pin 23) capacitor, BYPASS (pin 22) capacitor,
COSC (pin 21) capacitor, and ROSC (pin 20) resistor should each be grounded to analog ground (AGND,
pin 18 and pin 19). The PVCC (pin 9 and pin 16) decoupling capacitors should each be grounded to power
ground (PGND, pin 12 and pin 13). Analog ground and power ground should be connected as a central
ground connection or star ground for the TPA3007D1.
Output filter—The ferrite filter (Figure 16) should be placed as close to the output terminals (pins 10, 11, 14,
and 15) as possible for the best EMI performance. The LC filter (Figure 17) should be placed close to the
ferrite filter. The capacitors used in both the ferrite and LC filters should be grounded to power ground.
For an example layout, refer to the TPA3007D1 Evaluation Module (TPA3007D1EVM) 6.5W Mono Class-D
Audio Power Amplifier User's Guide, TI literature number SLOU164, available on the TI Internet site www.ti.com.
For further layout information, refer to Layout Guidelines for TPA300x Series Parts Application Report, TI
literature number SLOA103, also available on the TI Internet site.
Copyright 2003–2008, Texas Instruments Incorporated
17
Product Folder Link(s): TPA3007D1
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TPA3008D2 制造商:TI 制造商全稱:Texas Instruments 功能描述:10-W STEREO CLASS-D AUDIO POWER AMPLIFIER
TPA3008D2_07 制造商:TI 制造商全稱:Texas Instruments 功能描述:10-W STEREO CLASS-D AUDIO POWER AMPLIFIER
TPA3008D2EVM 功能描述:音頻 IC 開發(fā)工具 TPA3008D2 Eval Mod RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Kits 類型:Audio Amplifiers 工具用于評(píng)估:TAS5614L 工作電源電壓:12 V to 38 V
TPA3008D2PHP 功能描述:音頻放大器 10-W Stereo Class-D 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
TPA3008D2PHPG4 功能描述:音頻放大器 10-W Stereo Class-D 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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