ADSP1802KCPZ400-RL

Digital Signal Processor Dsp Overview

The ADSP1802KCPZ400-RL is a SHARC digital signal processor optimized for high-performance audio processing. It features a SIMD computational architecture with a maximum instruction rate of 400 MHz, supporting 32-bit fixed-point and 32-/40-bit floating-point arithmetic. The device integrates 5 Mb of L1 on-chip RAM and 8 Mb of L2 RAM. Key peripherals include eight SPORTs, four Precision Clock Generators (PCGs), one S/PDIF transceiver, four Asynchronous Sample Rate Converters (ASRCs) with −140 dB SNR performance, and three PWM modules. It supports VISA, FIR/IIR/FFT accelerators, and is AEC-Q100 qualified for automotive applications.

Digital Signal Processor Dsp Feature Summary

• High-performance 32-bit/40-bit floating-point SHARC processor with up to 400 MHz instruction rate
• Integrated memory: 5 Mb L1 RAM and 8 Mb L2 RAM
• Audio-specific peripherals: 4 ASRCs (−140 dB SNR), 1 S/PDIF transceiver, 8 SPORTs, and 4 PCGs
• Hardware acceleration support for FIR, IIR, and FFT algorithms

Digital Signal Processor Dsp Applications

• Cabin audio processing including active sound design, advanced chime, hands-free systems, voice preprocessing, active noise cancellation, and audio path management
• Consumer audio applications such as UI communication, professional audiovisual equipment, hearables, and home theaters
• Intelligent building security and surveillance systems

Digital Signal Processor Dsp Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to confirm package type, temperature grade, and reel specifications. Confirm that the component meets the required AEC-Q100 qualification if intended for automotive use. Ensure power supply sequencing aligns with the specified timing requirements for VDD_INT and VDD_EXT during system startup.

Digital Signal Processor Dsp Selection Notes

Select this model when high-performance audio processing requires large on-chip memory and dedicated hardware accelerators. The inclusion of four ASRCs with high SNR makes it suitable for complex multi-channel audio routing. Verify compatibility with existing SHARC codebases, as the device maintains full code compatibility with prior generations. Ensure the system design accommodates the 88-lead LFCSP package dimensions and thermal characteristics.

Digital Signal Processor Dsp Part Context

The ADSP1802 belongs to the fourth-generation SHARC processor family, designed for high-performance audio and general-purpose DSP applications. It shares architectural similarities with other members like the ADSP-21489 but offers specific memory configurations and peripheral sets tailored for audio-intensive tasks. The device utilizes a single-instruction, multiple-data (SIMD) core to optimize throughput for floating-point and fixed-point operations.

Digital Signal Processor Dsp Replacement Considerations

The ADSP1802 is pin-compatible with other fourth-generation SHARC processors such as the ADSP-21483, ADSP-21486, ADSP-21487, ADSP-21488, and ADSP-21489. These devices offer varying performance levels and memory sizes while maintaining full code compatibility. Verify that the substitute part number meets the specific memory and peripheral requirements of the application.