مدار مجتمع (آی سی) آی‌سی صوتی ویژه

Product Attributes

Introduction

HT9200A/B is a DTMF tone generator with ΔμC interface. It can be controlled by a μC to generate 16 dual-tone signals and 8 single-tone signals, output from the DTMF pin. The HT9200A operates in serial mode, while the HT9200B supports selectable serial or parallel operating mode. This IC is suitable for a wide range of applications, including security systems, home automation, remote control over telephone lines, and communication systems.

Features

• Operating voltage: 2.5V~5.5V
• Low standby current
• Low harmonic distortion
• 3.58MHz crystal oscillator

Applications

• Security systems
• Home automation
• Remote control via telephone line
• Communication systems