SAF7755HN/N208ZK

Digital Signal Processor Dsp Overview

The SAF7755HN/N208ZK is an audio DSP from the NXP SAF775x series, built on RFCMOS technology. It features a dedicated E7a DSP providing over 450MHz of audio processing capability and supports high-performance AM/FM/DAB dual-tuner applications with integrated audio post-processing. The device includes two high-sensitivity on-chip tuners and flexible audio routing for multi-input to multi-output configurations supporting digital and analog signals. It offers advanced HiFi 2 kernel capabilities, including PEQ, GEQ, delay lines, compressors, expanders, and bass enhancement. The component utilizes a Tray package and is identified by ROM code version N208.

Digital Signal Processor Dsp Feature Summary

• High-performance AM/FM/DAB dual-tuner architecture with integrated audio post-processing
• Open HiFi 2 kernel providing advanced audio functions like PEQ, GEQ, and dynamic range control
• Flexible audio routing supporting multiple inputs/outputs via I²S, TDM, BBI2S, S/PDIF, ADC, and DAC interfaces
• Support for digital radio standards including HD, DAB, and DRM

Digital Signal Processor Dsp Applications

• Mid-range vehicle entertainment head units
• High-end vehicle entertainment head units
• Digital radio receivers (DAB/HD Radio)
• AM/FM tuner modules with advanced audio processing

Digital Signal Processor Dsp Procurement Notes

The SAF7755HN/N208ZK is listed as discontinued by the manufacturer. Availability is restricted, and distributors may not stock this specific part number in all regions. Verification of current lifecycle status and alternative sourcing options is required before procurement planning.

Digital Signal Processor Dsp Selection Notes

Select the SAF7755HN/N208ZK for applications requiring dual-tuner support and advanced HiFi 2 audio processing within a single DSP. Compare against SAF7751 and SAF7754 models based on specific tuner path requirements; the SAF7755 supports both WB-AM/FM/HD on the first path and DAB on the second path. Ensure compatibility with the N208 ROM code version for feature activation.

Digital Signal Processor Dsp Part Context

This component belongs to the SAF775x family of CarDSPs designed for automotive infotainment systems. The SAF7755 variant specifically targets mid-to-high-end applications, offering superior performance compared to the base SAF7751 model through enhanced tuner capabilities and full HiFi 2 feature set availability.

Digital Signal Processor Dsp Replacement Considerations

As the SAF7755HN/N208ZK is discontinued, verify if the SAF7755HN/N208NT (reel packaging) or other SAF775x variants are available as functional substitutes. Check for pin-to-pin compatibility and software configuration equivalence when considering replacement parts.