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Product details

Parameters

Iq (Typ) (uA) 7000 Features Tone Decoder Rating Catalog Operating temperature range (C) 0 to 70 Supply voltage (Max) (V) 8.5 Supply voltage (Min) (V) 3.5 open-in-new Find other Real-time clocks (RTCs) & timers

Package | Pins | Size

PDIP (P) 8 93 mm² 9.81 x 9.43 SOIC (D) 8 19 mm² 4.9 x 3.9 open-in-new Find other Real-time clocks (RTCs) & timers

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
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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. 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.

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Technical documentation

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Type Title Date
* Data sheet LM567x Tone Decoder datasheet (Rev. E) Dec. 29, 2014
More literature Die D/S LM567C MDC Tone Decoder Sep. 27, 2012

Design & development

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CAD/CAE symbols

Package Pins Download
PDIP (P) 8 View options
SOIC (D) 8 View options

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