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HT8950

Voice Modulator

Partnumber Manufacturer Quantity Availability
HT8950 830 In Stock

Description and Introduction

Voice Modulator The part HT8950 is manufactured by Holtek. It is a DTMF generator IC that converts 4-bit binary data into DTMF tones. Key specifications include:

- Operating voltage: 2.5V to 5.5V
- Low power consumption
- Built-in oscillator circuit
- 16-pin DIP or SOP package
- Outputs standard DTMF frequencies
- Compatible with microcontrollers
- Typical applications include telephone systems and remote control devices

The IC generates dual-tone multi-frequency signals corresponding to telephone keypad inputs when provided with the appropriate 4-bit binary code.

Application Scenarios & Design Considerations

Voice Modulator

Alternative Part Number

  • PT2399 --: Widely used digital echo/reverb IC in the same voice-effect application space; easy to source and well documented as a functional substitute for HT8950 voice changer designs.
  • ISD1820 --: Single-chip voice record/playback IC commonly used in similar audio effect modules; offers comparable voice processing functionality with simple interface.
  • APR9600 --: Voice recording/playback chip suitable for voice-effect applications; provides an alternative audio processing solution when HT8950 is unavailable.

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