Home > Products > IC Electronic Components > 18 Pins Dual Tone 4 - bit 2.5V - 5.5V HT9170B HOLTEK IC Electronic Components
18 Pins Dual Tone 4 - bit 2.5V - 5.5V HT9170B HOLTEK IC Electronic Components
- 0 Piece / Pieces per Month
- T/T L/C D/P D/A
- 7 days
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Product Details
Brand Name: | GUMI | Place of Origin: | China | Model Number: | GUMI |
Product Description
Certification:ROHS
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 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
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.
Any question pls feel free to contact us or leave your messeage.Thanks!
More information, pls visit our company website.
Contact Us
- GUMI ELECTRONIC Technology Co., Ltd.
- Contact nameMr. Erid
- Phone86-755-36989033
- Address18th F,Wanjunjinmao building,Baoan city center, Shenzhen, China Zaozhuang,Shandong
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