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SOP8 HOLTEK DTMF Receiver Circuit Board IC HT9170B/HT9170D

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SOP8 HOLTEK DTMF Receiver Circuit Board IC HT9170B/HT9170D

Name: SOP8 HOLTEK DTMF Receiver Circuit Board IC HT9170BHT9170D
Brand: HOLTEK Original
Price: 1 USD

Quality SOP8 HOLTEK DTMF Receiver Circuit Board IC HT9170B/HT9170D for sale

Brand Name : HOLTEK Original

Model Number : HT9170B

Certification : ROHS

Place of Origin : Original & New

MOQ : 10pcs

Price : Negotiate

Payment Terms : T/T, Western Union, Paypal

Supply Ability : 10000pcs

Delivery Time : 1-3Days

Packaging Details : BOX

Series : DTMF Receiver Chips

Package : SOP8 DIP8

Feature : Excellent performance

Application : Circuit Board Chip

D/c : New & Original Allegro Only

Lead time : 0-3 Days

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HOLTEK Original HT9170B/HT9170D DTMF Receiver Circuit Board Chip SOP8

Description

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 detect and decode all the 16 DTMF tone pairs into a 4-bit code output.

Highly accurate switched capacitor filters are implemented to divide tone signals into low and high group signals. A built-in dial tone rejection circuit is provided to eliminate the need for pre-filtering.

Features

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 MCU 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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SOP8 HOLTEK DTMF Receiver Circuit Board IC HT9170B/HT9170D

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