HT9200A -DIP-8 DTMF Generator - Holtek [Original]

Holtek HT9200A DIP-8 DTMF Tone Generator Integrated Circuit

The Holtek HT9200A is a Dual-Tone Multi-Frequency (DTMF) tone generator integrated circuit. It is supplied in an 8-pin DIP package. This IC generates 16 distinct dual tones and 8 unique single tones. All generated tones are accessible via a dedicated DTMF output pin. A serial mode interface facilitates adaptability for integration with microcontrollers (MCUs). The device features low standby current consumption. Minimal total harmonic distortion ensures clean signal output for precise tone signaling applications.

Specifications:

• Model: HT9200A
• Manufacturer: Holtek
• Package Type: DIP-8
• Function: DTMF Tone Generator
• Dual Tones Generated: 16
• Single Tones Generated: 8
• Interface: Serial Mode
• Output: Dedicated DTMF output pin
• Current Consumption: Low standby current
• Signal Quality: Minimal total harmonic distortion
• Compatibility: Microcontroller (MCU) compatible

Key features and benefits:

• DTMF (Dual-Tone Multi-Frequency) tone generation
• 8-pin DIP package
• Generates 16 dual tones
• Generates 8 single tones
• Dedicated DTMF output pin
• Serial mode interface
• Low standby current
• Minimal total harmonic distortion

Applications:

• MCU projects
• Embedded systems
• Remote control systems
• Precise tone signaling applications

Frequently Asked Questions:

Q: What is the pin configuration for the HT9200A DIP-8 package?
A: The HT9200A is supplied in an 8-pin DIP package. Refer to the official Holtek datasheet for specific pinout details and recommended circuit diagrams.

Q: Can the HT9200A be directly interfaced with 3.3V or 5V microcontrollers?
A: The HT9200A is designed for integration with microcontrollers (MCUs). Compatibility with specific voltage levels depends on the device's operating voltage range, detailed in the Holtek datasheet.

Q: How are the 16 dual tones and 8 single tones selected and outputted?
A: Tone selection and output are managed via the serial mode interface. The generated tones are accessible through a dedicated DTMF output pin.

Q: What is the typical current draw during active tone generation?
A: The device features low standby current consumption. For active tone generation current draw, consult the Holtek HT9200A datasheet.

Package Includes:

*Image shown is a representation only.

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