数据：
TPA4861: 1-W Mono Audio Power Amplifier 数据表 
TPA4861是一个桥接负载（BTL）音频功率放大器，能够为8- 在语音频带频率（f <5 kHz）下从5 V电源加载0.2％THD + N.在大多数应用中，BTL配置无需在输出端使用外部耦合电容。增益通过两个电阻进行外部配置，无需对2至20的设置进行补偿。放大器的特性是功耗敏感应用的关断功能以及内部热保护和短路保护。 TPA4861可与TI的TPA4860在立体声应用中无缝协作。该放大器采用8引脚SOIC表面贴装封装，可减小电路板空间并便于自动装配。
| Audio Input Type |
| Architecture |
| Speaker Channels (Max) |
| Power Stage Supply (Min) (V) |
| Power Stage Supply (Max) (V) |
| Output Power (W) |
| Load (Min) (ohms) |
| THD + N @ 1 kHz (%) |
| Iq (Typ) (mA) |
| Control Interface |
| Closed/Open Loop |
| Analog Supply (V) (Min) |
| Analog Supply (V) (Max) |
| PSRR (dB) |
| Operating Temperature Range (C) |
| Rating |
| TPA4861 | TPA4860 |
|---|---|
| Analog Input | Analog Input |
| Class-AB | Class-AB |
| Mono | Mono |
| 2.7 | 2.7 |
| 5.5 | 5.5 |
| 1 | 1 |
| 8 | 8 |
| 0.12 | 0.12 |
| 3.5 | 2.5 |
| Hardware | Hardware |
| Closed | Closed |
| 2.5 | 4.5 |
| 5.5 | 5.5 |
| 75 | 75 |
| -40 to 85 | -40 to 85 |
| Catalog | Catalog |
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