音频放大器、功放ic、喇叭驱动、lm4990mmx

应用在小音响，电脑音响、移动便携音响，手机音响、大功率录音机、立体声音响等产品，带en控制接口，静态工作电流微安级别。性能超过lm4990

?? operate with 2.2v ~ 5.5v input voltage  工作电压2.2~5.5v
?? low supply current: 3ma 最小工作电流3ma
?? low shutdown current: < 1ua 
?? integrated depop circuitry eliminate on/off
noise
?? high psrr: 62db @ 217hz & 1khz
?? low distortion: <1% typical
?? power ouput @ 5.0v, 1% thd + n
?? 2w for 4ω load
?? 1.25w for 8ω load
?? no coupling or boostrsp capacitors required
?? selectable logic high/low shutdown function
?? over temperature and over current protection
?? rohs compliant and 100% lead (pb)-free