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HT9170D Integrated Circuit Chip New & Original DTMF Receiver

    Buy cheap HT9170D Integrated Circuit Chip New & Original DTMF Receiver from wholesalers
     
    Buy cheap HT9170D Integrated Circuit Chip New & Original DTMF Receiver from wholesalers
    • Buy cheap HT9170D Integrated Circuit Chip New & Original DTMF Receiver from wholesalers

    HT9170D Integrated Circuit Chip New & Original DTMF Receiver

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    Brand Name : Anterwell
    Model Number : HT9170D
    Certification : new & original
    Price : Negotiate
    Payment Terms : T/T, Western Union, Paypal
    Supply Ability : 5600pcs
    Delivery Time : 1 day
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    HT9170D Integrated Circuit Chip New & Original DTMF Receiver


    HT9170 DTMF Receiver


    Features

    • Operating voltage: 2.5V~5.5V
    • Minimal external components
    • No external filter is required
    • Low standby current (on power down mode)
    • Excellent performance Tr
    • 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 G

    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.


    Absolute Maximum Ratings

    Supply Voltage.................................-0.3V to 6V

    Storage Temperature.................-50℃ to 125℃

    Input Voltage.................VSS-0.3V to VDD+0.3V

    Operating Temperature ..............-20℃ to 75℃


    Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maximum Ratings may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.


    Block Diagram


    Pin Assignment


    Approximate internal connection circuits


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