ISD17210SYI

Overview

The ISD17210SYI is a multi-message single-chip voice record and playback device from the ISD1700 series, manufactured by Winbond. It utilizes patented Multi-Level Storage (MLS) technology for non-volatile message storage. The device supports user-selectable message durations ranging from 26 to 120 seconds. Sampling frequency is adjustable via an external resistor within a range of 4 kHz to 12 kHz. Operating voltage spans 2.4 V to 5.5 V. It features an on-chip oscillator, microphone preamplifier with Automatic Gain Control (AGC), auxiliary analog input, anti-aliasing filter, smoothing filter, volume control, and a Pulse Width Modulation (PWM) Class D speaker driver.

Feature Summary

• Proprietary message management system enabling self-managed address locations for multiple messages without microcontroller intervention.
• Integrated audio processing chain including microphone preamplifier with AGC, anti-aliasing filter, and PWM Class D speaker driver.

Applications

• Electronic systems requiring standalone or microcontroller-controlled voice messaging.
• Battery-powered applications optimized by wide operating voltage range.
• Line-powered applications requiring flexible recording duration and quality adjustment.

Procurement Notes

Verify the manufacturer designation carefully, as official documentation identifies this component as a Winbond product rather than Nuvoton. Confirm the specific suffix 'SYI' against the datasheet to ensure correct package and temperature grade alignment. Cross-reference the part number with the ISD1700 series specifications to validate functional compatibility before procurement.

Selection Notes

Select this component when application requirements demand variable message durations between 26 and 120 seconds. Choose based on the required sampling frequency, which is determined by an external resistor value allowing trade-offs between recording time and audio fidelity. Ensure the power supply architecture supports the 2.4 V to 5.5 V operating range for optimal performance in both battery and line-powered designs.

Part Context

The ISD17210SYI belongs to the ISD1700 ChipCorder series, a family of high-quality, fully integrated single-chip voice record and playback devices. This series is designed for sophisticated messaging flexibility in simple environments, incorporating proprietary MLS arrays to manage memory addresses automatically for multiple message recordings and playbacks.

Replacement Considerations

Other models within the ISD1700 series may serve as substitutes if they share identical pinouts and MLS architecture. Verify that alternative parts support the same 26 to 120-second duration range and compatible voltage levels. Check for equivalent package types and thermal characteristics to ensure mechanical fit.