ISD5102EYI

Overview

The ISD5102EYI is a single-chip voice record/playback device from the ISD5100 ChipCorder series, providing 1 to 2 minutes of recording duration. It utilizes Nuvoton's patented multilevel storage technology to store voice and audio signals directly into solid-state memory in an uncompressed form. The device integrates analog functions including automatic gain control (AGC), power amplifier, speaker driver, and volume control on a single chip. It supports both analog and digital data storage within its 512Kb memory array. Control is managed via a standard I2C serial interface requiring only two control lines.

Feature Summary

• Fully integrated single-chip solution combining voice record/playback with digital storage capability
• Supports dual storage of analog and digital data using nonvolatile flash memory
• Features programmable analog interface with integrated AGC, speaker driver, and volume control
• Controlled via standard I2C serial interface for address, control, and data transfer

Applications

• Cellular phones and portable communication devices
• Automotive communications systems
• GPS and navigation systems
• In-terminal answering machines
• Voice memo recorders

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm package type and temperature grade. Ensure the selected variant matches the required operating voltage range and logic interface levels for the target application design.

Selection Notes

Select this model when a recording duration between 1 and 2 minutes is sufficient. Consider the ISD5104 or higher if longer durations are needed. Verify that the system microcontroller supports the I2C protocol for command and data exchange. Check if the integrated analog outputs meet the drive requirements for the connected speaker or line output.

Part Context

The ISD5102EYI belongs to the ISD5100 ChipCorder series, which enhances the previous ISD5000 architecture by adding I2C control and digital storage capabilities. This series includes variants with different memory sizes and durations, such as the ISD5104, ISD5108, and ISD5116, all sharing the same core functionality and interface standards.

Replacement Considerations

Direct replacements within the same family include the ISD5104, ISD5108, and ISD5116, which offer increased recording durations but maintain compatible interfaces. Cross-series replacements may require significant hardware and software redesign due to differences in control protocols and memory architectures.