找回密码
 注册
搜索
查看: 1070|回复: 4

[讨论] 手机用的音频放大器有哪些?

[复制链接]
发表于 2006-11-25 19:32:40 | 显示全部楼层 |阅读模式
请教各位:手机用的音频放大器有哪些?
发表于 2006-11-27 15:05:00 | 显示全部楼层
有好多好多.需要可以联系我.
点评回复

使用道具 举报

发表于 2006-12-15 17:54:42 | 显示全部楼层
www.asichip.com
Eutech Part No.        Package Type        Description
Audio AMP.               
EUA4890        MSOP-8/WCSP-9        1-W Mono Audio Speaker Amplifier
EUA6204        MSOP-8/DFN-8        1.36-W MonoAudio Speaker Amplifier,  no input Cap
EUA6204A        SOP-8(FD)        3-W Mono Audio Speaker Amplifier,  no input Cap
EUA6205*        MSOP-8/DFN-8        1.25-W MonoAudio Speaker Amplifier,  no input Cap, low Vih
EUA2010        WCSP-9/DFN-8        1.2W mono Class D Audio Speaker Amplifier
EUA2005        DFN-8        1.2W mono Class D Audio Speaker Amplifier
EUA5202        TSSOP-24        2-W Stereo Audio Power Amp. With Mute
EUA5212        TSSOP-24        2-W Stereo Audio Power Amp. With 4 Selectable Gains
EUA5312        TSSOP-24        2-W Stereo Audio Power Amp. With 4 Selectable Gains
EUA6312        TSSOP-24        2-W Stereo Audio Power Amp. With 4 Selectable Gains
EUA6011A        TSSOP-24        2W Stereo Audio Power Amp. With Advanced DC volume control
EUA6012        TSSOP-20        2W Stereo Audio Speaker Amp. With DC volume control_Vista
EUA6027        TSSOP-20        2W Stereo Audio Speaker Amp. With 4 Selectable gains_Vista
EUA4910*        MSOP-8/DFN-8        35mW Cap-less Headphone Drive_Vista
EUA2100*        TQFP-48/QFN-48        20W Stereo Class D Audio Speaker Amplifier
点评回复

使用道具 举报

发表于 2007-2-6 10:10:44 | 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
1.8V or 2.5V core power supply
2.5V or 5V Class D amplifier supply
1.8V to 3.3V digital interface supply
40-lead QFN package, 6x6, RoHS compliant

Stereo Digital Class-D Speaker driver
Full bridged output configuration
High performance output, 0.1%dB THD+N
2 x 110mW into 8W at 3.6V
2 x 94mW into 8W at 2.5V
High power output, 10% THD+N
2 x 550mW into 8W at 3.6V
2 x 230mW into 8W at 2.5V
No external components
82% Efficiency
Low R(ds) On - .9Ω
Direct connect to battery
DC supply level monitoring & compensation

有兴趣者可以与我联系,QQ:89010137,EMAIL:mikle@lestina.com.cn
点评回复

使用道具 举报

发表于 2007-2-6 10:10:44 | 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
1.8V or 2.5V core power supply
2.5V or 5V Class D amplifier supply
1.8V to 3.3V digital interface supply
40-lead QFN package, 6x6, RoHS compliant

Stereo Digital Class-D Speaker driver
Full bridged output configuration
High performance output, 0.1%dB THD+N
2 x 110mW into 8W at 3.6V
2 x 94mW into 8W at 2.5V
High power output, 10% THD+N
2 x 550mW into 8W at 3.6V
2 x 230mW into 8W at 2.5V
No external components
82% Efficiency
Low R(ds) On - .9Ω
Direct connect to battery
DC supply level monitoring & compensation

有兴趣者可以与我联系,QQ:89010137,EMAIL:mikle@lestina.com.cn
点评回复

使用道具 举报

高级模式
B Color Image Link Quote Code Smilies

本版积分规则

Archiver|手机版|小黑屋|52RD我爱研发网 ( 沪ICP备2022007804号-2 )

GMT+8, 2024-11-20 14:34 , Processed in 0.045813 second(s), 17 queries , Gzip On.

Powered by Discuz! X3.5

© 2001-2023 Discuz! Team.

快速回复 返回顶部 返回列表