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LM567 - Tone Decoder

General Description

The LM567 and LM567C are general purpose tone decoders designed to provide a saturated transistor switch to ground when an input signal is present within the passband.

Key Features

  • 20 to 1 Frequency Range With an External Resistor.
  • Logic Compatible Output With 100-mA 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.
  • Center Frequency Adjustable from 0.01 Hz to 500 kHz 2.

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📁 Similar Datasheet

Part Number Description Manufacturer
LM567 Tone Decoder National Semiconductor
LM567 Tone Decoder HGSemi
LM567C Tone Decoder National Semiconductor
LM567C Tone Decoder HGSemi
LM567M Tone Decoder HGSemi

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LM567x Tone Decoder LM567, LM567C SNOSBQ4F – MAY 1999 – REVISED JANUARY 2022 1 Features • 20 to 1 Frequency Range With an External Resistor • Logic Compatible Output With 100-mA 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 • Center Frequency Adjustable from 0.