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HT9170B DTMF Receiver

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Product Code: RM0059

2-7 Business days


HT9170B DTMF Receiver

The HT9170B/D are Dual Tone Multi Frequency (DTMF) receivers integrated with digital decoder and bandsplit filter functions as well as power-down mode and inhibit mode operations. Such devices use digital counting techniques to etect and decode all the 16 DTMF tonepairs into a 4-bit code output.

Images/Pinout of HT9170B DTMF Receiver

HT9170B DTMF Receiver

Features of HT9170B DTMF Receiver

  • Operating voltage: 2.5V~5.5V.
  • Minimal external componentsy.
  • No external filter is required.
  • Low standby current (on power down mode).
  • Excellent performance.
  • Tristate data output for MCU interface.
  • 3.58MHz crystal or ceramic resonator.
  • 1633Hz can be inhibited by the INH pin.

Applications of HT9170B DTMF Receiver

  • DTMF Reception and decoding.
  • Developing devices that can be controlled via a dtmf sent by a mobile.
  • Mobile phone based device control.
  • DIY projects with DTMF control.

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