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HT9200B - 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: 2.5V~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 General.

📥 Download Datasheet

Datasheet Details

Part number HT9200B
Manufacturer Holtek Semiconductor Inc
File Size 129.28 KB
Description DTMF Generators
Datasheet download datasheet HT9200B Datasheet

Other Datasheets by Holtek Semiconductor Inc

Part Number Description
HT9200 DTMF Generators
HT9200A 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
HT9202D 1-Memory/2-Memory Tone/Pulse Dialer
HT9202F 1-Memory/2-Memory Tone/Pulse Dialer
HT9202G 1-Memory/2-Memory Tone/Pulse Dialer
HT9202H 1-Memory/2-Memory Tone/Pulse Dialer
HT9202L 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: 2.5V~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 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 2.5V~5.