HT9170 Holtek DTMF Receiver [Original]

HT9170 Holtek DTMF Receiver [Original]
Product Code: ICO_HT9170
Reward Points: 6
In Stock
International Shipping starts from 13 USD: DHL / Fedex (3-7 days priority delivery)

Price (Inclusive of Taxes): Rs.45.00
Price in reward points: 214
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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 inhibit mode operations. All types of the HT9170 series use digital counting
techniques to detect and decode all the 16 DTMF tone pairs into 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.
Features & Specifications
  • Wide Operating Voltage
  • Minimal External Components
  • No External Filter Required
  • Low Standby Current
  • Excellent Performance
  • 18pin DIP IC
  • Operating voltage: 2.5V~5.5V

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