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数据： TPA6205A1 1.25-W Mono Fully Differential Audio Power Amplifier With 1.8-V Input logic Thresholds 数据表
TPA6205A1器件是一款1.25 W单声道全差动放大器，设计用于驱动阻抗至少为8Ω且扬声器功耗小于37 mm2的扬声器（ZQV）封装选项）大多数应用中的总印刷电路板（PCB）面积。该器件工作电压为2.5 V至5.5 V，静态电源电流仅为1.7 mA。 TPA6205A1采用节省空间的2 mm×2 mm MicroStar Junior BGA封装，节省空间的3 mm×3 mm QFN（DRB）封装。
85-dB等特性PSRR从90 Hz到5 kHz，提高了RF整流抗扰度，并且PCB面积小，使TPA6205A1成为无线手机的理想选择。 TPA6205A1具有4s的快速启动时间和最小的弹出功能，是PDA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 |
| TPA6205A1 | TPA6203A1 | TPA6204A1 | TPA6211A1 |
|---|---|---|---|
| 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 |
| 1.25 | 1.25 | 1.7 | 3.1 |
| 8 | 8 | 8 | 3 |
| 104 | 104 | 105 | 105 |
| 0.06 | 0.06 | 0.02 | 0.03 |
| 1.7 | 1.7 | 4 | 4 |
| Hardware | Hardware | Hardware | Hardware |
| Closed | Closed | Closed | Closed |
| 2.5 | 2.5 | 2.5 | 2.5 |
| 5.5 | 5.5 | 5.5 | 5.5 |
| 90 | 90 | 85 | 85 |
| -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
| Catalog | Catalog | Catalog | Catalog |
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