HT9200A Datasheet PDF - Holtek

●General Description

●The HT9200A/B tone generators are designed for MCU interfaces. They can be instructed by a MCU to gener

●ate 16 dual tones and 8 single tones from the DTMF pin. The HT9200A provides a serial mode whereas the

●HT9200B contains a selectable serial/parallel mode in terface for various applications such as security systems, home automation, remote control through telephone lines, communication systems, etc.

●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

● HT9200A: 8-pin DIP/SOP package

● HT9200B: 14-pin SOP package