Patent ID: 7382188

Claim:
A class-D switching amplifier, comprising: a first control circuit for providing a first PWM pulse; a load; a first switching device having a first terminal coupled to a first voltage level, a second terminal coupled to the load, and a control terminal coupled to the first control circuit; a second switching device having a first terminal coupled to the first voltage level, a second terminal coupled to the load, and a control terminal coupled to the first control circuit; a third switching device having a first terminal coupled to a second voltage level, a second terminal coupled to the load, and a control terminal coupled to the first control circuit; a fourth switching device having a first terminal coupled to the second voltage level, a second terminal coupled to the load, and a control terminal coupled to the first control circuit; a second control circuit for providing a second PWM pulse; a fifth switching device having a first terminal coupled to a reference voltage level, a second terminal coupled to the load, and a control terminal coupled to the second control circuit; and a sixth switching device having a first terminal coupled to the reference voltage level, a second terminal coupled to the load, and a control terminal coupled to the second control circuit.