Sale HT9170-DTMF Decoder zoom
Price: Rs 60.00 Rs 50.00
Price in reward points: 500
Product Code: HT9170-DTMFDecoder
Reward Points: 5
Availability: In Stock


General Description


   The HT9170 series are Dual Tone Multi Frequency (DTMF) receivers integrated with digital decoder and bandsplit filter functions. The HT9170B and HT9170D types  supply  power-down  mode  and  in hibit  mode  operations.All types of the HT9170 series use digital counting techniques to detect and decode all the 16
DTMF  tone  pairs i nto  a  4-bit  code  output.  Highly  accurate  switched  capacitor  filters are employed to divide tone (DTMF) signals into low and high group        signals. A built-in dial tone rejection circuit is provided to eliminate the need for pre-filtering.
  • Operating voltage: 2.5V~5.5V
  • Minimal external components
  • No external filter is required
  • Low standby current (on power down mode)
  • Excellent performance
  • Tristate data output for
  • C interface
  • 3.58MHz crystal or ceramic resonator
  • 1633Hz can be inhibited by the INH pin
  • HT9170B: 18-pin DIP package
  • HT9170D: 18-pin SOP package

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