|
发表于 2007-2-6 10:02:36
|
显示全部楼层
好东西分享:CS42L52
要有不俗的音质表现,并要足够大的音量,同时,注意到这是手持产品,能耗必须考虑。[52RD.com]
看起来这是一些矛盾的难题。[52RD.com]
从芯片角度讲,[52RD.com]
cirrus logic 公司刚推出一款芯片,专门针对手机市场,GPS等。相信可以解决这些问题。[52RD.com]
主要指标:[52RD.com]
Low Power Codec with Digital Speaker Amp[52RD.com]
1.8V or 2.5V core power supply[52RD.com]
2.5V or 5V Class D amplifier supply[52RD.com]
1.8V to 3.3V digital interface supply[52RD.com]
40-lead QFN package, 6x6, RoHS compliant[52RD.com]
[52RD.com]
Stereo Digital Class-D Speaker driver[52RD.com]
Full bridged output configuration[52RD.com]
High performance output, 0.1%dB THD+N[52RD.com]
2 x 110mW into 8W at 3.6V[52RD.com]
2 x 94mW into 8W at 2.5V[52RD.com]
High power output, 10% THD+N[52RD.com]
2 x 550mW into 8W at 3.6V[52RD.com]
2 x 230mW into 8W at 2.5V[52RD.com]
No external components[52RD.com]
82% Efficiency[52RD.com]
Low R(ds) On - .9Ω[52RD.com]
Direct connect to battery[52RD.com]
DC supply level monitoring & compensation[52RD.com]
[52RD.com]
[52RD.com]
有兴趣者可以与我联系,QQ:89010137,EMAIL:mikle@lestina.com.cn |
|