Patent ID: 7239204

Claim:
An amplifier circuit comprising: (a) a differential amplifier having a first input, a second input , and an output; (b) an output transistor having a control electrode coupled to the output of the differential amplifier, a first electrode coupled to a first reference voltage, and a second electrode coupled to the second input; (c) a level translation transistor having a control electrode coupled to the output of the differential amplifier, a first electrode coupled to the first reference voltage, and a second electrode coupled to a first conductor; and (d) a load resistor having a first terminal coupled to the first conductor and a second terminal coupled to a second reference voltage, a first output voltage being produced on the first conductor; wherein the first input is coupled to a first terminal of a first input resistor and the second input is coupled to a first terminal of a second input resistor, a differential input voltage being applied between a second terminal of the first input resistor and a second terminal of the second input resistor.