LED、LCD、VFD各类显示驱动电路 KA2284 可以代替LB1403

5点LED电平指示电路KA2284产品介绍:
1.High gain rectifying amplifler included(GV=26dB)
2.Low radiation noise when LED tums on
3.Logarithmin indicator for 5-dot bar t*e LED(-10,-5,0.3,6dB)
4.Constant current output
 KA228*:lo=15mA(T*)
 KA228*:lo=7mA(T*)
5.Wide operating supply voltage range:Vcc=3.5V~16V