SAF7730HV/N231,557

Digital Signal Processor Dsp Overview

The SAF7730HV/N231,557 is a discontinued automotive digital signal processor (DSP) manufactured by NXP Semiconductors. Designed for HD Radio applications, this component operates at a clock rate of 400MHz and is housed in a 144-HLQFP package with dimensions of 20x20 mm. It supports an operating temperature range of -40°C to 85°C (TA). The device is RoHS compliant and meets REACH standards. As part of the SAF77 family, it functions as a dedicated tuner and signal processor for dual IF car radio systems.

Digital Signal Processor Dsp Feature Summary

• Integrated HD Radio processor with 400MHz DSP core
• Automotive-grade reliability (-40°C to 85°C operating range)
• 144-pin HLQFP (20x20mm) surface-mount package

Digital Signal Processor Dsp Applications

• HD Radio tuners
• Dual IF car radio systems
• Automotive audio signal processing

Digital Signal Processor Dsp Part Context

This component belongs to the SAF77 series of automotive signal processors from NXP. While specific datasheets for the /N231 variant are not publicly detailed in the provided source material, it shares the core architecture and packaging specifications with verified variants such as the SAF7730HV/N331 and SAF7730HV/N116. These devices are engineered specifically for high-performance digital radio reception in vehicles.

Digital Signal Processor Dsp Replacement Considerations

The SAF7730HV/N231,557 is marked as no longer manufactured. Verified alternative packaging options within the same functional family include the SAF7730HV/N331,557 and SAF7730HV/N116,518. Designers should verify pin compatibility and software configuration requirements when transitioning between these specific suffixes.