TDA7540NTR

RF Receivers Overview

The TDA7540NTR is an AM/FM car radio tuner integrated circuit manufactured by STMicroelectronics. It features a stereo decoder and Intelligent Selectivity System (ISS). The device operates within a supply voltage range of 7.7V to 9V, with a typical operating voltage of 8.5V. It supports AM and FM modulation protocols at an intermediate frequency of 10.7MHz. The receiver current consumption is 12mA. The component is housed in an 80-LQFP package measuring 14x14mm. It is designed for surface mount installation and functions reliably within an operating temperature range of -40°C to 85°C.

RF Receivers Feature Summary

• Integrates a stereo decoder for high-fidelity audio reproduction
• Includes Intelligent Selectivity System (ISS) for optimized signal processing
• Designed specifically for automotive radio tuner applications

RF Receivers Applications

• AM/FM car radio tuners
• Automotive audio systems
• Vehicle infotainment units

RF Receivers Procurement Notes

Verify the specific ordering suffix to confirm the tape and reel packaging configuration associated with the TDA7540NTR designation. Ensure compatibility with existing PCB footprints for the 80-LQFP package. Confirm that the automotive grade qualification meets the required environmental standards for the intended vehicle application. Check current availability status as this product line may have discontinuation implications.

RF Receivers Selection Notes

Select this component for applications requiring a complete AM/FM tuner solution with built-in stereo decoding. The 80-LQFP package suits surface mount manufacturing processes. Verify that the 7.7V to 9V operating voltage aligns with the target system's power rail. Consider the -40°C to 85°C temperature range for automotive durability requirements.

RF Receivers Part Context

The TDA7540NTR belongs to the TDA7540 family of RF receivers from STMicroelectronics. This series is engineered for automotive environments, providing robust performance for broadcast radio reception. The NTR suffix typically denotes the tape and reel packaging variant, distinct from tray packages like the TDA7540N. These components are integral to modern vehicle audio architectures.

RF Receivers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.