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參數(shù)資料
| 型號： | TPA3130D2DAPR |
| 廠商： | Texas Instruments |
| 文件頁數(shù)： | 13/35頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP AUD PWR 15W STER 32HTSSOP |
| 標準包裝： | 2,000 |
| 系列： | SpeakerGuard™ |
| 類型： | D 類 |
| 輸出類型： | 2 通道（立體聲） |
| 在某負載時最大輸出功率 x 通道數(shù)量： | 15W x 2 @ 8 歐姆 |
| 電源電壓： | 4.5 V ~ 26 V |
| 特點： | 差分輸入，靜音，短路和熱保護，關機 |
| 安裝類型： | 表面貼裝 |
| 供應商設備封裝： | 32-HTSSOP |
| 封裝/外殼： | 32-TSSOP（0.240"，6.10mm 寬）裸露焊盤 |
| 包裝： | 帶卷 (TR) |
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OUTP
OUTN
OUTP
-OUTN
Speaker
Current
OUTP
OUTN
OUTP-OUTN
Speaker
Current
OUTP
OUTN
OUTP
-OUTN
Speaker
Current
0 V
PVCC
No Output
Positive Output
Negative Output
0 A
0 V
- PVCC
SLOS708C – APRIL 2012 – REVISED NOVEMBER 2013
TPA3116/18/30D2 MODULATION SCHEME
The TPA31xxD2 family has the option of running in either BD modulation or 1SPW modulation; this is set by the
MODSEL pin.
MODSEL = GND: BD-modulation
This is a modulation scheme that allows operation without the classic LC reconstruction filter when the amp is
driving an inductive load with short speaker wires. Each output is switching from 0 volts to the supply voltage.
The OUTPx and OUTNx are in phase with each other with no input so that there is little or no current in the
speaker. The duty cycle of OUTPx is greater than 50% and OUTNx is less than 50% for positive output voltages.
The duty cycle of OUTPx is less than 50% and OUTNx is greater than 50% for negative output voltages. The
voltage across the load sits at 0V throughout most of the switching period, reducing the switching current, which
reduces any I2R losses in the load.
Figure 31. BD Mode Modulation
20
Copyright 2012–2013, Texas Instruments Incorporated
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TPA3130D2EVM | 功能描述:音頻 IC 開發(fā)工具 TPA3130D2 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 |
| TPA3131D2 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:4W, 25W Filter-Free Class-D Stereo Amplifier with AM Avoidance |
| TPA3131D2EVM | 制造商:Texas Instruments 功能描述:TPA3131D2EVM - Boxed Product (Development Kits) 制造商:Texas Instruments 功能描述:EVAL BOARD FOR TPA3131D2 制造商:Texas Instruments 功能描述:EVAL BOARD, TPA3131D2 AUDIO AMP, Silicon Manufacturer:Texas Instruments, Silicon Core Number:TPA3131D2, Kit Application Type:Amplifier, Application Sub Type:Audio Power Amplifier - Class D, Kit Contents:Board, Guide 制造商:Texas Instruments 功能描述:, Silicon Manufacturer:Texas Instruments, Silicon Core Number:TPA3131D2, Kit App |
| TPA3131D2RHBR | 制造商:Texas Instruments 功能描述:TPA3118 IN RHB PACKAGE |
| TPA3131D2RHBT | 制造商:Texas Instruments 功能描述:TPA3118 IN RHB PACKAGE - Tape and Reel 制造商:Texas Instruments 功能描述:TPA3118 IN RHB PACKAGE - Cut TR (SOS) 制造商:Texas Instruments 功能描述:IC AMP AUD PWR 7W STER 32VQFN 制造商:Texas Instruments 功能描述:IC, STEREO AMP, CLASS D, 4W, QFN-32 制造商:Texas Instruments 功能描述:AMPLIFIER, AUDIO, CLASS D, 7.3W, VQFN-32, Amplifier Class:D, No. of Channels:2, Output Power:7.3W, Supply Voltage Range:4.5V to 26V, Amplifier Case Style:VQFN, No. of Pins:32, Load Impedance:4ohm, Operating Temperature Min:-40C |
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