TPA3121D2
- 10-W/Ch Stereo Into an 8-Ω Load From a 24-V Supply
- 15-W/Ch Stereo Into a 4-Ω Load from a 22-V Supply
- 30-W/Ch Mono Into an 8-Ω Load from a 22-V Supply
- Operates From 10 V to 26 V
- Can Run From +24 V LCD Backlight Supply
- Efficient Class-D Operation Eliminates Need for Heat Sinks
- Four Selectable, Fixed-Gain Settings
- Internal Oscillator to Set Class D Frequency (No External
Components Required) - Single-Ended Analog Inputs
- Thermal and Short-Circuit Protection With Auto Recovery
- Space-Saving Surface Mount 24-Pin TSSOP Package
- Advanced Power-Off Pop Reduction
- APPLICATIONS
- Flat Panel Display TVs
- DLP TVs
- CRT TVs
- Powered Speakers
DLP Is a trademark of Texas Instruments
The TPA3121D2 is a 15-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 TPA3121D2 can drive stereo speakers as low as 4 Ω. The efficiency of the TPA3121D2 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.
技术文档
| 顶层文档 | 类型 | 标题 | 格式选项 | 下载最新的英语版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 数据表 | 15W Stereo Class-D Audio Power Amplifier 数据表 (Rev. B) | 2014-1-7 | |||
| 应用手册 | Using Thermal Calculation Tools for Analog Components (Rev. A) | 2019-8-30 | ||||
| 应用手册 | Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) | 2019-8-26 | ||||
| 应用手册 | AN-1849 An Audio Amplifier Power Supply Design (Rev. C) | 2019-6-27 | ||||
| 应用手册 | AN-1737 Managing EMI in Class D Audio Applications (Rev. A) | 2013-5-1 |
设计与开发
如需其他信息或资源，请点击以下任一标题进入详情页面查看（如有）。
TPA3121D2EVM — TPA3121D2 评估模块 (EVM)
TPA3121D2 评估模块集成单颗 20W D 类立体声音频功放，通过精简外围元件实现板级解决方案，可直接驱动扬声器并支持外部模拟音频输入。
| 封装 | 引脚 | CAD 符号、封装和 3D 模型 |
|---|---|---|
| HTSSOP (PWP) | 24 | Ultra Librarian |
订购和质量
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