ft2830_4.5w,电荷泵自适应升压_音质纯净
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“ft2830_4.5w,电荷泵自适应升压_音质纯净”参数说明
是否有现货: | 是 | 认证: | ROHS, REACH |
封装: | eTSSOP-20L | 功能结构: | 数/模混合集成电路 |
制作工艺: | 半导体集成电路 | 导电类型: | 单极型 |
外形: | 扁平型 | 集成度高低: | 中规模集成电路 |
应用领域: | 专用 | 型号: | ft2830 |
规格: | 1X4.5W | 商标: | fangtek |
包装: | 3K/REEL |
“ft2830_4.5w,电荷泵自适应升压_音质纯净”详细介绍
GENERAL DESCRIPTION
The ft2830 is a highly efficient 4.5W Class-G audio power amplifier with automatic level control (ALC)4.2V supply voltage, the ft2830 can deliver into a 4Ω load a maximum output power up to 4.5W with 10% THD+N, or a constant output power at 3.5W with 0.5% THD+, up to 83%, helps extend battery life.
In ft2830, the power supply rail for the amplifier’s output stage is internally boosted and regulated at 6.2V by an adaptive charge pump regulator based upon the Dual-PumpTM topology,2830 an ideal audio solution for portable devices that are powered by a single-cell lithium battery while requiring higher audio loudness.
For applications where minimum EMI emission is required, the charge pump regulator can be disabled.
The ft2830 features ALC to constantly monitor and safeguard the audio outputs against the boosted supply voltage, preventing output clipping distortion, excessive power dissipation,-level condition is detected, the ALC lowers the voltage gain of the audio amplifier proportionally to eliminate output clipping distortion while maintaining a maximum dynamic range of the audio outputs allowed by the boosted supply voltage.
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