AD21469WBBCZ302

Overview

The AD21469WBBCZ302 is a SHARC Digital Signal Processor manufactured by Analog Devices. It features a 400MHz clock rate and operates as a floating-point processor with 32-bit or 40-bit precision. The device integrates 5 Mbits of on-chip RAM. It is housed in a 324-pin CSPBGA package measuring 19x19 mm. Core voltage is 1.05V, while I/O voltage is 3.30V. Interfaces include DAI, DPI, EBI/EMI, I²C, SCI, SPI, SSP, and UART/USART.

Feature Summary

• High-performance SHARC architecture for complex signal processing tasks
• Integrated 5 Mbits on-chip RAM for efficient data handling
• Supports multiple communication interfaces including SPI, I2C, and UART
• Automotive series classification for robust operational reliability

Applications

• Automotive audio processing systems
• Industrial control applications requiring high-speed DSP
• Communication equipment utilizing serial interfaces
• Embedded systems needing integrated memory solutions

Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required interface configurations and voltage levels. Confirm RoHS compliance status through official documentation before procurement. Check lead times as they may vary based on production schedules. Ensure surface mount assembly capabilities match the 324-BGA package requirements. Validate automotive grade specifications against application environmental standards.

Selection Notes

Select this component when high-speed floating-point arithmetic is required alongside significant on-chip memory resources. Consider the 400MHz performance limit for real-time processing constraints. Evaluate the 324-pin BGA footprint for PCB layout feasibility. Assess interface needs against available DAI, DPI, and parallel bus options. Verify power supply requirements for both core and I/O domains.

Part Context

This part belongs to the Analog Devices SHARC processor family, designed for demanding digital signal processing workloads. The AD21469 variant specifically targets automotive and industrial sectors. It combines computational power with substantial internal storage. The CSPBGA packaging facilitates dense board integration. The series emphasizes reliability and performance consistency.

Replacement Considerations

Consult Analog Devices official cross-reference guides for verified substitutes. Ensure replacement parts maintain identical pinout and voltage specifications. Verify that alternative models support the same 400MHz clock speed. Confirm compatible interface protocols are present in potential replacements.

FAQ

What is the core voltage requirement for the AD21469WBBCZ302?

The core voltage requirement is 1.05V.

Does this processor include non-volatile memory?

No, non-volatile memory is external; it includes 5 Mbits of on-chip RAM.

What is the maximum clock rate of this DSP?

The maximum clock rate is 400MHz.