LA1140-E

Overview

The LA1140-E is an integrated IF system IC designed for FM car stereo receivers, manufactured by onsemi. It incorporates quadrature detection technology to process intermediate frequency signals. The device operates within a supply voltage range of 16V and draws an operating supply current of 40mA. It supports an ambient temperature range from -20°C to 70°C. The component is housed in a 16-SIP package configuration.

Feature Summary

• Integrates quadrature detection circuitry specifically engineered for FM intermediate frequency signal processing in automotive audio applications.

Applications

• FM car stereo receiver systems
• Automotive audio IF processing circuits

Procurement Notes

Verify the specific ordering suffix against official discontinuance notices, as certain variants may be subject to product phase-out schedules. Confirm that the 16-SIP package matches the target PCB footprint requirements. Ensure environmental compliance documentation aligns with project specifications before finalizing procurement orders.

Selection Notes

Select this component when designing dedicated FM IF stages requiring integrated quadrature detection. Evaluate the 40mA current consumption against available power budgets. Consider the 16-SIP form factor for mechanical integration constraints. Verify thermal performance within the specified -20°C to 70°C operational window for automotive environments.

Part Context

This part belongs to the broader category of RF and wireless components, specifically classified under RF miscellaneous ICs and modules. It functions as a specialized receiver block within the larger ecosystem of onsemi's automotive electronics portfolio, targeting high-volume consumer audio hardware manufacturing.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Check for direct pin-compatible alternatives or updated series revisions from the manufacturer if this specific variant is discontinued.

FAQ

What is the primary function of the LA1140-E?

It serves as an IF system IC with quadrature detection for FM car radio receivers.

Does the LA1140-E support muting characteristics?

Yes, it features versatile muting characteristics adaptable to set design requirements.