LM567CN/NOPB

The LM567CN/NOPB is a general purpose Tone Decoder designed to provide a saturated transistor switch to ground when an input signal is present within the pass-band. The circuit consists of an I and Q detector driven by a voltage controlled oscillator which determines the center frequency of the decoder. External components are used to independently set center frequency, bandwidth and output delay.

• 20 to 1 Frequency range with an external resistor
• Logic compatible output with 100mA current sinking capability
• Bandwidth adjustable from 0 to 14%
• High rejection of out of band signals and noise
• Immunity to false signals
• Highly stable center frequency
• 0.01Hz to 500kHz Center frequency adjustable

Aplicaţii

Audio, Communications & Networking

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This device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.