IC TP5089 DTMF Touch-Tone Generator DIP 16-pin

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  • Jameco Part no.: 32803
  • Manufacturer: Major Brands
  • Manufacturer no.: TP5089N
  • HTS code: 8541500040
  • Web Exclusive
# of units Price
1+ $4.95
10+ $4.49
100+ $3.95

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TP5089 DTMF Touch-Tone Generator DIP-16

The TP5089 is a low threshold voltage, field-implanted, metal gate CMOS integrated circuit. It interfaces directly to a standard telephone keypad and generates all dual tone multi-frequency pairs required in tone-dialing systems. The tone synthesizers are locked to an on-chip reference oscillator using an inexpensive 3.579545 MHz crystal for high tone accuracy. The crystal and an output load resistor are the only external components required for tone generation. A MUTE OUT logic signal, which changes state when any key is depressed, is also provided.

Features

  • 3.5V ±10V operation when generating tones
  • 2V operation of keyscan and MUTE logic
  • Static sensing of key closures or logic inputs
  • On-chip 3.579545 MHz crystal-controlled oscillator
  • Output amplitudes proportional to supply voltage
  • High group pre-emphasis
  • Low harmonic distortion
  • Open emitter-follower low-impedance output
  • SINGLE TONE INHIBIT pin

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  • Specification Value
    PackageDIP-16


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