DESCRIPTION
The LS509 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, an on-chip microphone decoupling resistor and a pair of Schottky diodes for symmetrical peak clipping.

FEATURES
• 140 µA typical current drain
• low noise and distortion
• 1.0 to 5 VDC operating range
• independent preamplifier
• 2 DC coupled stages
• class A output stage
• variable transducer current
• Schottky diodes for MPO control
• 4 kΩ microphone decoupling resistor