Description

SN65220DBV is an electronic component model belonging to the TVS - Mixed Technology product category. It is a 4 seconds one-channel single chip voice synthesizer IC that contains a PWM Direct Drive Circuit. It has a single power supply ranging from 2.4V to 5.1V. The IC is built with a tiny controller which allows for easy programming and implementation of various user applications. It offers a voice capacity of 4 seconds and includes a 2-bit I/O port, 32*4 bits RAM, and a maximum of 16k program ROM. The IC also has a high quality speech synthesizer and provides an adaptive playing speed from 2.5k-20kHz. It is equipped with a PWM Direct Drive circuit for sound output, with BUO1 and BUO2 directly connected to a speaker. The system clock operates at 1MHZ.

Specifications and features

- Single power supply: 2.4V - 5.1V

- Voice capacity: 4 seconds

- Built-in tiny controller

- 2-bit I/O port

- 32*4 bits RAM

- Maximum 16k program ROM

- Readable ROM code data

- High quality speech synthesizer

- Adaptive playing speed: 2.5k - 20kHz

- PWM Direct Drive circuit for sound output

- System clock: 1MHZ

Application Scenarios

- Voice synthesis in electronic devices

- Audio playback in toys and gadgets

- Speech generation in alarm systems

Comparison

- Single power supply with a wide voltage range

- Large voice capacity of 4 seconds

- Easy implementation through the built-in tiny controller

- Versatile 2-bit I/O port for various applications

- Sufficient RAM and program ROM for data storage

- High quality speech synthesizer for clear and accurate sound reproduction

- Adaptive playing speed for flexible audio playback

- Direct sound output through the PWM Direct Drive circuit

- Limited number of channels (one-channel)

- Requires an external speaker for sound output

- Controller programming may require technical knowledge