HT9200A -- DTMF Generators

General Description

The H T9 0A tone generators are designed for MCU interfaces. H T920 0A can be instructed by a MCU to generate 16 dual tones and 8 single tones from the DTMF pin. The HT 9200A provides a serial mode whereas the HT920 0B contains a selectable serial/parallel mode interface for various applications such as security systems, home automation, H T 920 0A remote control through telephone lines,

Features

•     Operating voltage: 2.5V~5.5V
•     Serial mode for the HT9200A
•     Serial/parallel mode for the HT9200B
•     Low standby current
•     Low total harmonic distortion
•    3.58MHz crystal or ceramic resonator
•     8-pin DIP/SOP package
  HT9200B: 14-pin SOP package
• Data Sheet
• Revision History
• 封裝信息
  8-pin DIP 封裝
  8-pin SOP 封裝
  14-pin SOP 封裝
• 問答集
• 應用范例
• Selection Guide

HT9200A_中文PDF(點擊下載)