LM4675 Datasheet (National Semiconductor) - Class D Audio Power Amplifier

LM4675, Class D Audio Power Amplifier

Key Specifications The LM4675 is a single supply, high efficiency, 2.65W, mono, j Efficiency at 3.6V, 400mW into 8Ω speaker 89% (typ) Class D audio amplifier.

A spread spectrum, filterless PWM j Efficiency at 3.6V, 100mW into 8Ω speaker 80% (typ) architecture reduces EMI and eliminates the output fi

LM4675 Features

* spectrum architecture of the LM4675 reduces EMI-radiated n Spread spectrum architecture reduces EMI emissions due to the modulator frequency. n Mono Class D Operation The LM4675 has high efficiency with speaker loads comn No output filter required for inductive loads pared to a typical Class AB ampl