Features and Benefits

  • 160 MHz, ADSP-219x DSP Core
  • 8-Channel, 14-Bit, 20 MSPS ADC with On-Chip Voltage Reference
  • 4K Words Program Memory RAM
  • 4K Words Data Memory RAM
  • Three-Phase PWM Generation Unit with additional Dual Auxiliary PWM Outputs
  • External Memory Interface (to 1 MWord)
  • Incremental Encoder Interface Unit
  • Three 32-Bit, General Purpose Timers
  • 16-Bit General Purpose Flag I/O Port
  • Synchronous Serial (SPORT) & SPI Communications Port

Product Details

The ADSP-21990 is the first high-performance mixed signal DSP product from ADI. The ADSP-21990 integrates a 160 MHz, 16-bit, ADSP-219x DSP core and an 8-channel, 14-bit, 20 MSPS ADC (with dual sample-and-hold amplifiers for simultaneous sampling). Additional mixed-signal integration includes a precision on-chip voltage reference, and a power-on-reset (POR) circuit. Various control peripherals are provided for single-chip solutions for embedded control and signal processing applications.

Product Lifecycle icon-not-recommended Not Recommended for New Designs

This designates products ADI does not recommend broadly for new designs.

Evaluation Kits (1)

Documentation & Resources

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  • Data Sheets (1)
  • Application Notes (58)
  • Processor Manuals (2)
  • Software Manuals (10)
  • Integrated Circuit Anomalies (1)
  • Legacy Emulator Manuals (2)
  • Product Highlight (1)
  • Application Notes
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    ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well.  "Zero defects" for shipped products is always our goal.

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