DESCRIPTION

The GC509 is a Class A amplifier utilizing Gennum’s proprietary low voltage JFET technology. It consists of two singleended, low noise inverting gain blocks, a Class A output stage, and an on-chip microphone decoupling resistor.

FEATURES

• 145 µA typical current drain

• low noise and distortion

• 1.0 to 5 VDC operating range

• 2 independent preamplifiers

• Class A output stage

• variable transducer current

• 4 kΩ microphone decoupling resistor