BM28720MUV中文资料搭载20W+20W DSP的支持数字输入的D类扬声器放大器数据手册ROHM规格书

描述 Description

BM28720MUV是针对超薄电视等省空间、节能用途而开发的，搭载20W+20W DSP(数字语音处理器)的全数字D类扬声器放大器。采用顶尖的BCD (Bipolar, CMOS and DMOS)工艺技术，将输出功率段的导通电阻和接线电阻所产生的内部损失减至极限，实现了高效率。并采用小型背面散热型功率封装，具备低功耗、低发热量，可实现总体最大40W输出。搭载高性能DSP，是同时满足音响类系统大幅小型化、薄型化以及高性能、高音质播放两方面需求的产品。

特性 Features

・This IC includes the DSP (digital sound processor) for Audio signal processing for Flat TVs.
・This IC has one input systems of digital audio interface. (No needs of Master Clock)
・This IC has one output systems of digital audio interface.
・With wide range of power supply voltage.
・The monaural output that can reduce the number of external parts can be used.
・With high efficiency and low heat dissipation contributing to miniaturization, slim design, and also power saving of the system.
・Eliminates pop-noise generated during the power supply on/off. High quality muting performance is realized by using the soft-muting technology.
・This IC is built-in with various protection functions for highly reliability design.
・Small package