搭载DSP的支持数字输入的D类扬声器放大器 BM5449MWV

BM5449MWV是针对超薄电视等省空间、节能用途而开发的,搭载25W+25W DSP(数字语音处理器)的全数字扬声器放大器。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90%(10W+10W 输出,8负载时)的高效率。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50W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。

型号Status封装包装数量最小独立包装数量包装形态RoHS
BM5449MWV-E2供应中UQFN056V707015001500TapingYes

BM5449MWV 数据手册 Data Sheet

技术特性
Vcc(Min.)[V]10.0
Vcc(Max.)[V]26.0
Iq[mA]80.0
Ext. GainNo
Maximum Output Gain[dB]23.0
I/F2 wire port
Digital Audio I/FI2S / LJ / RJ
Additional FeatureP²Volume, P²Bass+, 8 Band EQ, 512 Tap FIR, 2 Band DRC, Surround, Fine Master Volume
Speaker Amp Outputs2.0
Speaker Amp THD+N[%]0.05
Speaker Amp PSRR[dB]70.0
Speaker Amp Input TypeDigital Signal
Speaker Amp TypeClass D
Speaker Amp Output Power(Max.)[W]25
Operating Temperature (Min.)[°C]-25
Operating Temperature (Max.)[°C]85
技术资料下载
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