DESCRIPTION
The GH580 is a single, second order (12 dB/Oct) continuous high pass filter with an adjustable corner frequency (ƒC) from 200 to 8 kHz. Adjustment of ƒC is accomplished with a single 100 kΩ potentiometer connected from pin 3 to ground.

FEATURES
• 200 to 8 kHz adjustable corner frequency
• 12 dB/oct Butterworth filter
• low current drain (175 µA typical)
• two on chip 1 nF capacitors
• low noise and distortion
• 1.1 to 3.0 VDC operation