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KS58015 - DTMF DIALER FOR BINARY DATA-IN

General Description

Pin No 1 Symbol VDD TEN Positive supply input Tone enable input.

An internal pull-up resistor is in a chip.

When this pin connects to 2 logic ‘ low’ , the oscillator is inhibited and the tone generators and output transistor are turned off.

Key Features

  • Direct interface with microprocessor.
  • Generates 16 standard tones.
  • Uses inexpensive TV crystal or ceramic resonator (3.579545MHz).
  • Very low total harmonic distortion.
  • Low power standby mode.
  • Binary data inputs with latches.
  • Wide Operating Voltage : 2.5 ~ 8.0V.

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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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KS58015 DTMF DIALER FOR BINARY DATA-IN INTRODUCTION The KS58015 is a DTMF dialer for 4 bit binary data input from microprocessor. When the tone enable input low, the oscillator is inhibited and the device is in a low power consumption at standby mode. On the low to high transition of tone enable, data is latched into the device and selected the standard DTMF signals. The N-channel open drain output provides a MUTE output during tone generation. 14-DIP-300 14-SOP-225B FEATURES • Direct interface with microprocessor • Generates 16 standard tones • Uses inexpensive TV crystal or ceramic resonator (3.579545MHz) • Very low total harmonic distortion • Low power standby mode • Binary data inputs with latches • Wide Operating Voltage : 2.5 ~ 8.