TPA3111D1
- 10-W into an 8-Ω Load at 10% THD+N From a 12-V Supply
- 7-W into an 4-Ω Load at 10% THD+N From a 8-V Supply
- 94% Efficient Class-D Operation into 8-Ω Load Eliminates Need for Heat Sinks
- Wide Supply Voltage Range Allows Operation from 8 to 26 V
- Filter-Free Operation
- SpeakerGuard? Speaker Protection Includes Adjustable Power Limiter Plus DC Protection
- Flow-Through Pinout Facilitates Easy Board Layout
- Robust Pin-to-Pin Short-Circuit Protection and Thermal Protection With Auto-Recovery Option
- Excellent THD+N and Pop-Free Performance
- Four Selectable, Fixed Gain Settings
- Differential Inputs
- APPLICATIONS
- Televisions
- Monitors and Laptops
- Consumer Audio Equipment
All other trademarks are the property of their respective owners
The TPA3111D1 device is a 10-W, efficient, Class-D audio power amplifier for driving a bridge tied speaker. Advanced EMI suppression technology enables the use of inexpensive ferrite bead filters at the outputs while meeting EMC requirements. SpeakerGuard speaker protection system includes an adjustable power limiter and a DC detection circuit. The adjustable power limiter lets the user to set a virtual voltage rail lower than the chip supply to limit the current through the speaker. The DC Detect circuit measures the frequency and amplitude of the PWM signal and shuts off the output stage if the input capacitors are damaged or shorts exist on the inputs.
The TPA3111D1 can drive a mono speaker as low as 4 Ω. The high efficiency of the TPA3111D1, >90%, eliminates the requirement for an external heat sink when playing music.
The outputs are fully protected against shorts to GND, VCC, and output-to-output. The short-circuit protection and thermal protection includes an auto-recovery feature.
技術(shù)文檔
| 頂層文檔 | 類型 | 標(biāo)題 | 格式選項(xiàng) | 下載最新的英語(yǔ)版本 | 日期 | |
|---|---|---|---|---|---|---|
| * | 數(shù)據(jù)表 | TPA3111D1 10-W Filter-Free Mono Class-D Audio Power Amplifier With Speaker Guard? 數(shù)據(jù)表 (Rev. F) | PDF | HTML | 2016年 8月 11日 | ||
| 應(yīng)用手冊(cè) | Using Thermal Calculation Tools for Analog Components (Rev. A) | 2019年 8月 30日 | ||||
| 應(yīng)用手冊(cè) | Guidelines for Measuring Audio Power Amplifier Performance (Rev. A) | 2019年 8月 26日 | ||||
| 應(yīng)用手冊(cè) | AN-1849 An Audio Amplifier Power Supply Design (Rev. C) | 2019年 6月 27日 | ||||
| 應(yīng)用手冊(cè) | AN-1737 Managing EMI in Class D Audio Applications (Rev. A) | 2013年 5月 1日 |
設(shè)計(jì)與開(kāi)發(fā)
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TPA3111D1EVM — TPA3111D1 評(píng)估模塊
TPA3111D1 評(píng)估模塊包含一個(gè) 10W D 類單聲道音頻功率放大器和安裝在電路板上的少量外部組件，它可用于直接驅(qū)動(dòng)揚(yáng)聲器，這是借助用作輸入的外部模擬音頻源實(shí)現(xiàn)的。該 EVM 的默認(rèn)輸出濾波器配置支持無(wú)濾波器操作，但是也可輕松地配置為支持 LC 濾波器操作，還可以輕松地配置為支持無(wú)濾波器操作。
設(shè)計(jì)人員可以使用 TPA3111D1EVM 快速評(píng)估聲音質(zhì)量并驗(yàn)證其應(yīng)用的規(guī)范性。另外，TPA3111D1EVM 用戶指南還包含用作參考設(shè)計(jì)的原理圖、布局和物料清單。
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| 封裝 | 引腳 | CAD 符號(hào)、封裝和 3D 模型 |
|---|---|---|
| HTSSOP (PWP) | 28 | Ultra Librarian |
訂購(gòu)和質(zhì)量
- RoHS
- REACH
- 器件標(biāo)識(shí)
- 引腳鍍層/焊球材料
- MSL 等級(jí)/回流焊峰值溫度
- MTBF/時(shí)基故障估算
- 材料成分
- 鑒定摘要
- 持續(xù)可靠性監(jiān)測(cè)
- 制造廠地點(diǎn)
- 封裝廠地點(diǎn)
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