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The ISD1620BSYIR is a voice record and playback integrated circuit from Nuvoton’s ChipCorder series, designed for single-message applications. It supports recording durations between 13.3 and 40 seconds with sampling frequencies ranging from 4 to 12 kHz. The device features an internal oscillator and automatic gain control, operating on a power supply of 2.4 V to 5.5 V. It utilizes a pushbutton interface for message transmission and includes a microphone input alongside analog single-ended and PWM speaker outputs. Packaged in a 16-SOIC format, it functions within a temperature range of -40°C to 85°C.
Verify the specific suffix SYIR against official Nuvoton documentation to confirm package type and tape-and-reel specifications. Ensure compatibility with required voltage levels and interface protocols before integration. Cross-reference moisture sensitivity level ratings for proper handling during assembly processes.
Select this component for applications requiring simple, low-cost voice messaging without complex microcontroller intervention. Evaluate whether the fixed duration range meets timing requirements. Consider the SOIC package constraints for PCB layout and thermal management needs.
Part of the ISD1620 series, this IC belongs to Nuvoton’s ChipCorder family of voice products. These devices are engineered for straightforward audio storage and playback, leveraging proprietary flash memory technology to eliminate external components typically needed for voice data retention.
Consult official substitution lists for equivalent voice ICs with matching pinouts and functionality if availability is constrained.