数据：
1-W Mono Audio Power Amplifier with Headphone Drive 数据表 
TPA0253是一款1 W单声道桥接负载（BTL）放大器，设计用于驱动低至8- 
扬声器。
输入级的增益由用户选择的输入电阻设置为50 -k 
/R I 在BTL模式下。输入端子为高阻抗CMOS输入，可用作求和节点。
TPA0253采用10引脚耐热增强型MSOP封装（DGQ），工作环境温度范围为?? 40°C至85°C。
从5-V电源
来自3-V电源
| 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 |
| TPA0253 | TPA0211 | TPA0213 | TPA0233 |
|---|---|---|---|
| Analog Input | Analog Input | Analog Input | Analog Input |
| Class-AB | Class-AB | Class-AB | Class-AB |
| Mono | Mono | Mono | Mono |
| 2.5 | 2.5 | 2.5 | 2.5 |
| 5.5 | 5.5 | 5.5 | 5.5 |
| 1 | 2 | 2 | 2 |
| 8 | 4 | 4 | 4 |
| 93 | 93 | 93 | 93 |
| 0.33 | 0.2 | 0.2 | 0.2 |
| 3.2 | 4 | 4.2 | 4 |
| Hardware | Hardware | Hardware | Hardware |
| Open | Open | Closed | Open |
| 2.5 | 2.5 | 2.5 | 2.5 |
| 5.5 | 5.5 | 5.5 | 5.5 |
| 65 | 58 | 65 | 58 |
| -40 to 85 | -40 to 85 | -40 to 85 | -40 to 125 |
| Catalog | Catalog | Catalog | Catalog |
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