ATR4255P-ILSY

Overview

The ATR4255P-ILSY is a high-performance AM/FM receiver IC designed for broadcast radio applications. It operates across the frequency range of 70MHz to 160MHz and utilizes a 44-pin SSO package. The component is manufactured using advanced BiCMOS technology, representing a complete, automatically tuned front-end circuit. This integrated solution supports FM double-conversion systems and provides robust performance for consumer electronics requiring reliable radio reception capabilities within the specified band.

Feature Summary

• Highly integrated AM/FM front-end circuit utilizing advanced BiCMOS technology
• Complete automatic tuning capability for simplified system design
• Supports FM double-conversion architecture for improved signal fidelity

Applications

• Broadcast radio receivers
• Consumer electronics audio systems
• FM double-conversion system implementations

Procurement Notes

Verify the specific suffix ILSY against the manufacturer's official documentation to confirm pinout compatibility and thermal characteristics. Ensure that the 44-SSO package dimensions align with your PCB footprint requirements. Confirm RoHS compliance status through the latest datasheet revision, as regulatory standards may vary by production batch. Cross-reference the operating temperature range with your environmental specifications before finalizing procurement decisions.

Selection Notes

Select this component when a fully integrated AM/FM solution is required without external tuning components. The BiCMOS process offers advantages in noise performance and linearity compared to standard CMOS alternatives. Consider the 44-pin package size relative to available board space. Evaluate the 70-160MHz operational range against target market frequencies to ensure adequate coverage for intended broadcast bands.

Part Context

This device belongs to Microchip Technology's (formerly Atmel) portfolio of analog RF solutions. The ATR4255 series represents a family of highly integrated radio receivers aimed at reducing bill-of-materials complexity. The ILSY suffix typically denotes specific packaging or tape-and-reel configuration details defined by the manufacturer for surface-mount assembly processes.

Replacement Considerations

Consult official Microchip Technology substitution guides for verified alternative part numbers. Generic cross-references may not match the specific BiCMOS process characteristics or automatic tuning algorithms inherent to this model.