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Home > Embedded ICs > 16bit DSP > ADSP-21990BSTZ
Analog Devices

ADSP-21990BSTZ

ADSP-21990BSTZ

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ADSP-21990BSTZ Overview

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.

Features

  • 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
  • External Memory Interface (to 1 MWord)
  • Three-Phase PWM Generation Unit with additional Dual Auxiliary PWM Outputs
  • Incremental Encoder Interface Unit
  • Three 32-Bit, General Purpose Timers
  • 16-Bit General Purpose Flag I/O Port
  • Synchronous Serial (SPORT) & SPI Communications Port

Applications

ADSP-21xx

Specifications

  • Clock Rate 160MHz

  • Operating Temperature -40℃ ~ 85℃ (TA)

  • Type Fixed Point

  • Non-Volatile Memory External

  • Package / Case 176-LQFP

  • Voltage - Core 2.50V

  • Voltage - I/O 3.30V

  • Mounting Type Surface Mount

  • Interface SPI, SSP

  • Supplier Device Package 176-LQFP (24x24)

  • On-Chip RAM 20kB

Circuit Diagram

ADSP-21990

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