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HT9200 - DTMF Generators

General Description

The HT9200A/B tone generators are designed for MCU interfaces.

They can be instructed by a MCU to generate 16 dual tones and 8 single tones from the DTMF pin.

Key Features

  • Operating voltage: 2.0V~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 General.

📥 Download Datasheet

Datasheet Details

Part number HT9200
Manufacturer Holtek Semiconductor Inc
File Size 117.42 KB
Description DTMF Generators
Datasheet download datasheet HT9200 Datasheet

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Other Datasheets by Holtek Semiconductor Inc

Part Number Description
HT9200A DTMF Generators
HT9200B DTMF Generators
HT9202A 1-Memory/2-Memory Tone/Pulse Dialer
HT9202B 1-Memory/2-Memory Tone/Pulse Dialer
HT9202C 1-Memory/2-Memory Tone/Pulse Dialer

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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HT9200A/HT9200B DTMF Generators Features · Operating voltage: 2.0V~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 General Description The HT9200A/B tone generators are designed for MCU interfaces. They can be instructed by a MCU to generate 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 interface for various applications such as security systems, home automation, remote control through telephone lines, communication systems, etc. Selection Table Function Part No. HT9200A HT9200B Operating Voltage 2V~5.