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TPA2015D1是一款高效D类音频功率放大器,具有电池跟踪SpeakerGuard AGC技术和集成的自适应升压转换器,可在低输出功率下提高效率。它可驱动高达2 W的8Ω扬声器(6%THD)。 TPA2015D1具有85%的典型效率,有助于延长播放音频时的电池寿命。
内置升压转换器为D类放大器产生5.5 V电源电压。与直接连接到电池的独立放大器相比,这提供了更响亮的音频输出。 SpeakerGuard TM AGC调节D类增益以限制电池电流并防止严重削波。
TPA2015D1具有集成的低通滤波器,可改善RF抑制并降低DAC带外噪声,增加信噪比(SNR)。
TPA2015D1采用节省空间1.954 mm×1.954 mm,0.5 mm间距DSBGA封装(YZH)。
所有其他商标均为各自所有者
| 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 |
| TPA2015D1 | TAS2557 | TAS2559 | TAS2560 | TAS2770 |
|---|---|---|---|---|
| Analog Input | Digital Input | Digital Input | Digital Input | Digital Input |
| Class-D Boosted | Class-D Boosted Smart Amp | Class-D Boosted Smart Amp | Class-D Boosted Smart Amp | Smart Amp |
| Mono | Mono | Mono | Mono | Mono |
| 2.3 | 2.7 | 2.7 | 2.7 | 4.5 |
| 5.2 | 5.5 | 5.5 | 5.5 | 16 |
| 2 | 5.7 | 5.7 | 5.6 | 20 |
| 8 | 4 | 4 | 4 | 4 |
| 95 | 111 | 111 | 111 | 108 |
| 0.07 | 0.0035 | 0.0035 | 0.004 | 0.007 |
| 1.7 | 3.9 | 3.9 | 3.2 | 7.07 |
| GPIO | I2C SPI | I2C SPI | I2C | I2C |
| Closed | Closed | Closed | Closed | Closed |
| 2.3 | 2.9 | 2.9 | 2.9 | 4.5 |
| 5.2 | 5.5 | 5.5 | 5.5 | 16 |
| 85 | 110 | 110 | 110 | 90 |
| -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
| Catalog | Catalog | Catalog | Catalog | Catalog |