都是AB类功放,但是功率不同。
TDA2030是14w AB类功放,TDA2030A是18w AB类功放。
具体差异请参考如下资料,建议找这两颗IC的datasheet对照。
TDA2030:
14W Hi-Fi AUDIO AMPLIFIER
IC描述:The TDA2030 is a monolithic integrated circuit in Pentawatt® package, intended for use as a low frequency class AB amplifier. Typically it provides 14W output power (d = 0.5%) at 14V/4W; at ± 14V or 28V, the guaranteed output power is 12W on a 4W load and 8W on a 8W (DIN45500).
TDA2030A :
18W Hi-Fi AMPLIFIER AND 35W DRIVER
IC描述:The TDA2030A is a monolithic IC in Pentawatt [package intended for use as low frequency class AB amplifier.With VS max = 44V it is particularly suited for more reliable applications without regulated supply and for 35W driver circuits using low-cost complementary pairs.
功放ic2030和2030a区别 :
都是AB类功放,但是功率不同。
TDA2030是14w AB类功放,TDA2030A是18w AB类功放。技术参数都一样 。
希望能帮到你。
2030功放管和2030a功放管不一样,2030A的工作电压稍高点,功率略大。输出晶体管不导电,所以不消耗功率。当有讯号时,每对输出管各放大一半波形,彼此一开一关轮流工作完成一个全波放大,在两个输出晶体管轮换工作时便发生交越失真,因此形成非线性。