LA1828-E-SY

Overview

The LA1828-E-SY is a single-chip tuner integrated circuit manufactured by Sanyo, designed for AM and FM radio applications. It integrates RF amplifier, mixer, oscillator, IF amplifier, and MPX-VCO circuits on one chip. The device supports manual tuning for portable radios and cassette recorders. It features a built-in adjustment-free MPX-VCO that eliminates the need for external ceramic oscillators or additional components. The IC operates within a standard voltage range suitable for battery-powered consumer electronics.

Feature Summary

• Single-chip integration of AM/FM tuner functions including RF, IF, and MPX stages
• Built-in adjustment-free MPX-VCO requiring no external ceramic oscillator
• Designed specifically for portable radio and cassette recorder applications with manual tuning

Applications

• Portable AM/FM radios
• Cassette recorders with radio tuners
• Music centers with integrated tuner systems

Procurement Notes

Verify the exact suffix (E-SY) against official Sanyo/Semiconductor devices documentation to confirm package type and tape/reel specifications. Ensure compatibility with existing circuit designs regarding pinout and operating voltage ranges before procurement. Cross-reference with current manufacturer datasheets to confirm availability and any potential obsolescence notices.

Selection Notes

Select this component for applications requiring a compact, single-chip solution for AM/FM reception in portable devices. It is suitable for designs prioritizing minimal external component count due to the integrated MPX-VCO. Consider the manual tuning requirement when designing user interfaces. Verify power supply constraints align with the IC's typical operating voltage specifications.

Part Context

The LA1828 series represents Sanyo's dedicated tuner ICs for consumer audio equipment. This specific variant integrates both AM and FM functionality along with multiplex decoding support. It is part of a family of single-chip tuners aimed at simplifying the design of portable radio receivers and audio systems by reducing board space and assembly complexity.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material. Consult official Sanyo Semiconductor replacement guides or authorized distributors for compatible alternatives if this specific suffix is unavailable.