The MX105A is a monolithic CMOS tone detector for tone decoding in single and multitone signaling systems. Using phase locked loop (PLL) decoding techniques, the MX105A recognizes tones in the presence of high noise levels and strong adjacent channel tones.
   
• FEATURES
• Operates in High Noise Conditions
• ≥36 dB Signal Input Range
• High Sensitivity
• Low Power Operation 2.7 V to 5.5 V
• Adjustable Bandwidth
• Adjustable Frequency
   
• APPLICATIONS
• Single and Multitone System
    Applications