AD21488WBCPZ2202

Overview

The AD21488WBCPZ2202 is an automotive-grade SHARC digital signal processor from Analog Devices, operating at a maximum instruction rate of 400 MHz. It features a 32-bit/40-bit floating-point SIMD architecture with two processing elements (PEX and PEY). The device includes 5 Mbits of on-chip RAM and 4 Mbits of mask-programmable ROM containing audio decoders. It is housed in an 88-lead LFCSP package and supports AEC-Q100 qualification for automotive applications.

Feature Summary

• High-performance 32-bit/40-bit floating-point SIMD computational engine
• 5 Mbits on-chip RAM and 4 Mbits on-chip ROM with audio decoders
• AEC-Q100 qualified for automotive reliability standards
• Integrated peripherals including DAI, S/PDIF transceiver, and ASRC

Applications

• Automotive audio processing systems
• High-performance digital signal processing requiring floating-point precision
• Applications utilizing the Digital Applications Interface (DAI) for audio interconnects

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current data sheet to confirm package type and temperature range. Ensure compatibility with the 88-lead LFCSP_VQ footprint during PCB layout. Confirm that the internal memory configuration matches the system requirements for the 5 Mbit RAM variant.

Selection Notes

Select this model for automotive audio applications requiring 400 MHz performance. Compare against other ADSP-2148x variants based on required clock speed (400 MHz vs 450 MHz) and package availability. Note that the 88-lead package does not support the external port interface; verify if external memory expansion is needed before choosing this package over the 176-lead LQFP.

Part Context

This component belongs to the ADSP-2148x family of SHARC processors. It shares source code compatibility with previous SHARC generations like the ADSP-2147x and ADSP-2136x. The ADSP-21488 specifically offers 5 Mbits of RAM, distinguishing it from lower-memory variants like the ADSP-21483 which has 3 Mbits.

Replacement Considerations

Direct substitutes within the same family include ADSP-21489WBCPZ2202 (450 MHz) or ADSP-21483WBCPZ2202 (lower memory). Cross-family replacement requires verifying assembly-level code compatibility with ADSP-2147x series devices.