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3.2W Mono Class-D Audio Power Amplifier with 6-dB Gain and Auto Short-Circuit Re 数据表 
TPA2037D1是一款3.2 W高效无滤波D类音频功率放大器（D类放大器），1.21的固定增益为6 dB mm×1.16 mm晶圆芯片级封装（WCSP）。该器件仅需一个外部元件。
TPA2037D1等级具有95％效率，1.5 mA静态电流，0.1μA关断电流，81 dB PSRR，20μV输出噪声和改善的RF抗扰度等特性， D类放大器是蜂窝手机的理想选择。 TPA2037D1的启动时间为4毫秒，没有声音弹出，是PDA和智能手机应用的理想选择。
| 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) |
| PSRR (dB) |
| Operating Temperature Range (C) |
| Rating |
| TPA2037D1 | TPA2011D1 | TPA2039D1 |
|---|---|---|
| Analog Input | Analog Input | Analog Input |
| Class-D | Class-D | Class-D |
| Mono | Mono | Mono |
| 2.5 | 2.5 | 2.5 |
| 5.5 | 5.5 | 5.5 |
| 3.2 | 3.2 | 3.2 |
| 4 | 4 | 4 |
| 95 | 95 | 95 |
| 0.12 | 0.23 | 0.05 |
| 1.8 | 1.8 | 1.5 |
| GPIO | Hardware | GPIO |
| Open | Closed | |
| 2.5 | 1.8 | 2.5 |
| 5.5 | 5.5 | 5.5 |
| 86 | 86 | 86 |
| -40 to 85 | -40 to 85 | -40 to 85 |
| Catalog | Catalog | Catalog |
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