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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 |