ADSP-2186NBCA-320

Digital Signal Processor Dsp Overview

The ADSP-2186NBCA-320 is a member of the Analog Devices ADSP-218xN series, a single-chip microcomputer optimized for digital signal processing. Fabricated in a 0.18 μm CMOS process, it operates with a 12.5 ns instruction cycle time at 1.8 V, delivering 80 MIPS sustained performance. The device integrates up to 256K bytes of on-chip SRAM, configured as up to 48K words (24-bit) of program RAM and up to 56K words (16-bit) of data RAM. It features a three-bus architecture allowing dual operand fetches per cycle, independent ALU, MAC, and shifter units, two serial ports, and multiple DMA interfaces.

Digital Signal Processor Dsp Feature Summary

• High-performance execution: 12.5 ns instruction cycle time and 80 MIPS sustained performance at 1.8 V.
• Integrated memory: Up to 256K bytes on-chip SRAM (48K words program, 56K words data).
• Advanced architecture: Single-cycle context switch, zero-overhead looping, and multifunction instructions.
• Flexible I/O and interfaces: Supports 1.8 V, 2.5 V, or 3.3 V operation; includes two SPORTs, IDMA, BDMA, and ICE-Port debugging.

Digital Signal Processor Dsp Applications

• Digital signal processing applications requiring high code compatibility with the ADSP-2100 family.
• Battery-operated portable equipment utilizing low-power modes such as power-down and idle.
• Systems requiring flexible serial communication via dual synchronous serial ports (SPORT).

Digital Signal Processor Dsp Procurement Notes

Verify the specific ordering suffix against the manufacturer's official Ordering Guide to confirm package type (LQFP or BGA), temperature range, and lead-free status. Ensure the selected variant matches the required on-chip memory configuration for the ADSP-2186 model within the 218xN series.

Digital Signal Processor Dsp Selection Notes

Select this component when designing systems that require pin-compatibility across the ADSP-218xN family while needing specific memory sizes. The ADSP-2186 offers a balance of 8K word program and 8K word data memory configurations relative to other family members. Consider the 100-lead LQFP or 144-ball BGA packages based on board space constraints.

Digital Signal Processor Dsp Part Context

The ADSP-2186NBCA-320 belongs to the ADSP-218xN series, which shares a common base architecture with the broader ADSP-2100 family. All members are pin-compatible and differ primarily by the amount of on-chip SRAM. This series combines the ADSP-2100 instruction set with enhanced integration features like dual-purpose program memory and extensive interrupt capabilities.

Digital Signal Processor Dsp Replacement Considerations

Other members of the ADSP-218xN series (e.g., ADSP-2184N, ADSP-2185N, ADSP-2187N) are pin-compatible alternatives. Selection depends on whether the application requires more or less on-chip program and data memory than the 8K/8K configuration provided by the ADSP-2186.