数据：
具有 15mA 低空闲电流和 AM 抑制功能的 TPA3126D2 50W 立体声、模拟输入 D 类音频放大器 数据表 
TPA3126D2是一款采用热增强型封装的50W立体声低空闲电流D类放大器.TPA3126D2采用了TI专有的混合调制方案，可在低功率水平下动态降低空闲电流，从而延长便携式音频系统（如蓝牙扬声器）的电池寿命。
为了进一步简化设计，该D类放大器集成了全面的保护特性，包括短路，热关断，过压，欠压和直流扬声器保护。在过载情况下，器件会将故障情况报告给处理器，从而避免自身遭到损坏。
所有商标均为其各自所有者的财产。
| Audio Input Type |
| Architecture |
| Speaker Channels (Max) |
| Power Stage Supply (Min) (V) |
| Power Stage Supply (Max) (V) |
| Output Power (W) |
| Load (Min) (ohms) |
| SNR (dB) |
| THD + N @ 1 kHz (%) |
| Iq (Typ) (mA) |
| Control Interface |
| Closed/Open Loop |
| Analog Supply (V) (Min) |
| Analog Supply (V) (Max) |
| Power to Parallel Bridge Tied Load (Max) (W) |
| PSRR (dB) |
| Operating Temperature Range (C) |
| Rating |
| TPA3126D2 | TPA3116D2 | TPA3128D2 | TPA3156D2 |
|---|---|---|---|
| Analog Input | Analog Input | Analog Input | Analog Input |
| Class-D | Class-D | Class-D | Class-D |
| Stereo | Stereo | Stereo | Stereo |
| 4.5 | 4.5 | 4.5 | 4.5 |
| 26 | 26 | 26 | 26 |
| 50 | 50 | 30 | 70 |
| 4 | 4 | 2 | 2 |
| 102 | 102 | 102 | 102 |
| 0.02 | 0.1 | 0.1 | 0.1 |
| 23 | 20 | 17 | 17 |
| Hardware | Hardware | Hardware | Hardware |
| Closed | Closed | Closed | Closed |
| 4.5 | 4.5 | 4.5 | 4.5 |
| 26 | 26 | 26 | 26 |
| 100 | 100 | 60 | 100 |
| 70 | 70 | 70 | 70 |
| -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
| Catalog | Catalog | Catalog | Catalog |
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