液晶显示器的对比度和观看角度都依赖于高度稳定的供电电压。但在通过电话线供电的电话机中电源难以稳定,因为线路状况经常变化。飞利浦半导体新推出的TEA1114A通话/发射IC为解决这一问题提供了全面的综合解决方案:这一具有新意的电话IC中集成了一高性能电压稳定器。TEA1114A的稳定电源发生器不仅保证LCD性能一致性,还可输出足够的电流,用来驱动飞利浦半导体最新一代3.3V通讯用TELX微控制器。TEA1114A的另一新功能是对耳机放大器具有提高增益的作用。 LCD contrast and viewing angle depends on the highly stable supply voltage. However, power is difficult to stabilize in telephones that are powered by telephone lines, as the conditions of the line often change. Philips’ new TEA1114A talk / transmit IC provides a comprehensive solution to this problem: a new high-performance voltage stabilizer integrated into this innovative phone IC. The TEA1114A’s stable power generator not only ensures consistent LCD performance, but also delivers enough current to drive the latest generation of TELX microcontrollers for 3.3V communications at Philips Semiconductors. Another new feature of the TEA1114A is the gain boost for headphone amplifiers.