Tone decoder/phase-locked loop
• Wide frequency range (0.01 Hz to 500 kHz)
• High stability of center frequency
• Independently controllable bandwidth (up to 14%)
• High out-band signal and noise rejection
• Logic-compatible output with 100 mA current sinking capability
• Inherent immunity to false signals
• Frequency adjustment over a 20-to-1 range with an external resistor
• Operating voltage range: 4,75V .. 9V
• DIP8