STMicroelectronics STPA001 MOSFET四通道桥接功率放大器
STMicroelectronics STPA001 MOSFET四通道桥接功率放大器采用突破性的MOSFET技术，设计用于大功率汽车无线电应用。STPA001采用完全互补的P通道/N通道输出结构。这种结构可实现轨到轨输出电压摆幅，其结合大输出电流和最小的饱和损耗，在汽车无线电领域中设置了全新的功率参考。这些放大器具有极为出色的失真性能，可以在低至6V的电压下工作。因此，该IC符合最新的低压工作OEM规范。
The amplifiers have unparalleled distortion performances and can operate down to 6V. This makes the IC compliant to the most recent OEM specifications for low voltage operation.
特性
- Multipower BCD technology
- High output power capability:
- 4 x 50W/4Ω Max.
- 4 x 28W/4Ω @ 14.4V, 1kHz, 10%
- 4 x 72W/2Ω Max.
- MOSFET output power stage
- 2Ω driving capability
- Hi-Fi class distortion
- Low output noise
- High immunity to RF noise injection
- Standby function
- Mute function
- Automute at min. supply voltage detection
- Low external component count
- Internally fixed gain (26dB)
- Protections:
- Output short circuit to GND, to Vs, across the load
- Very inductive loads
- Overrating chip temperature with soft thermal limiter
- Output DC offset detection
- Load dump
- Fortuitous open GND
- Reversed battery
- ESD
- Capable to operate down to 6V (e.g. “Startstop”)
Block Diagram
发布日期: 2017-08-14
| 更新日期: 2025-10-13