TPA3125D2
- 10-W/Ch (stereo SE) into an 8-Ω Load From a 24-V Supply
- 20-W/Ch (mono BTL) into an 8-Ω Load from a 24-V Supply
- Operates From 10 V to 26 V
- Operates From +24 V LCD Backlight Supply
- Efficient Class-D Operation Eliminates Need for Heat Sinks
- Four Selectable, Fixed-Gain Settings
- Single-Ended Analog Inputs
- Thermal and Short-Circuit Protection With Auto Recovery
- 20-Pin DIP Package
- Advanced Power-Off Pop Reduction
- APPLICATIONS
- Flat Panel Televisions
- DLP TVs
- CRT TVs
- Powered Speakers
DLP Is a trademark of Texas Instruments
System Two, Audio Precision are trademarks of Audio Precision, Inc.
The TPA3125D2 is a 10-W (per channel), efficient, class-D audio power amplifier for driving stereo speakers in a single-ended configuration; or, a mono speaker in a bridge-tied-load configuration. The TPA3125D2 can drive stereo speakers as low as 4 Ω. The efficiency of the TPA3125D2 eliminates the need for an external heat sink when playing music. The gain of the amplifier is controlled by two gain select pins. The gain selections are 20, 26, 32, and 36 dB.
The patented start-up and shutdown sequences minimize pop noise in the speakers without additional circuitry.
The thru-hole package allows placement on single-sided printed circuit boards.
技术文档
类型 | 标题 | 下载最新的英语版本 | 日期 | |||
---|---|---|---|---|---|---|
* | 数据表 | 10W Stereo Class-D Audio Power Amplifier 数据表 | 2008年 12月 12日 | |||
应用手册 | Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) | 2019年 8月 26日 | ||||
应用手册 | AN-1849 An Audio Amplifier Power Supply Design (Rev. C) | 2019年 6月 27日 | ||||
应用手册 | AN-1737 Managing EMI in Class D Audio Applications (Rev. A) | 2013年 5月 1日 | ||||
EVM 用户指南 | TPA3125D2EVM - User Guide | 2008年 11月 17日 |
设计和开发
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TPA3125D2EVM — TPA3125D2 评估模块 (EVM)
The TPA3125D2 evaluation module (EVM) consists of a single 10 W, class-D, stereo audio power amplifier, complete with a small number of external components mounted on a circuit board. The EVM can be used to directly drive speakers with an external analog audio source as the input.
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封装 | 引脚 | CAD 符号、封装和 3D 模型 |
---|---|---|
PDIP (N) | 20 | Ultra Librarian |
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