Analog Devices / Maxim Integrated MAX5871 Interpolating & Modulating 16-bit RF DAC

Analog Devices MAX5871 Interpolating and Modulating RF 16-bit DAC enables multi-standard and multi-band transmitters in wireless communications applications. The radio frequency digital-to-analog converter can directly synthesize up to 600MHz of instantaneous bandwidth from direct current to frequencies up to 2.8GHz. The 5.9Gsps device meets spectral mask requirements for communication standards such as Global System for Mobile (GSM), Universal Mobile Telecommunications System (UMTS), and Long-Term Evolution (LTE). Analog Devices MAX5871 Interpolating and Modulating RF 16-bit DAC applications include cellular base-station transmitters, point-to-point microwave links, and wireless backhaul. MAX5871 also uses a differential current-steering architecture and can produce a 0dBm full-scale output signal level with a 50Ω load. The device consumes 2.5W at 4.9Gsps operating from 1.8V and 1.0V power supplies.

Features

  • Simplifies RF design and enables new wireless communication architectures
    • Eliminates I/Q imbalance and LO feedthrough
    • Enables multi-band RF modulation
  • Highly flexible and configurable
    • 1-, 2-, or 4-lane JESD204B input data interface
    • Subclass-0 and Subclass-1 compliant
    • Up to 10Gbps per lane
  • Reference clock for system synchronization
  • Direct RF synthesis of 600MHz bandwidth up to 2.8GHz
    • 5.898Gsps DAC output update rate
    • High-performance 14-Bit RF DAC core
    • Digital quadrature modulator and NCO with 1Hz/10Hz/100Hz/1kHz/10kHz resolution
    • 5x/6x/6.67x/8x/10x/12x/13.33x/16x/20x/24x interpolation
    • Integrated clock multiplying PLL+VCO
  • Multiple DAC synchronization (Subclass-1)
  • SPI interface for device configuration

Applications

  • Cellular base-station transmitters
    • GSM/TDMA/CDMA/UMTS 2.5G/3G
    • 4G LTE and WiMAX
  • Multi-standard and multi-band transmitters
  • Point-to-point microwave links
  • Wireless backhaul

Block Diagram

Block Diagram - Analog Devices / Maxim Integrated MAX5871 Interpolating & Modulating 16-bit RF DAC
Publié le: 2019-04-02 | Mis à jour le: 2023-04-21