DAC3484I - Texas Instruments

DAC3484I 1.25 GSPS Digital-to-Analog Converter

The DAC3484 is a very low power, high dynamic range, quad-channel, 16-bit digital-to-analog converter (DAC) with a sample rate as high as 1.25 GSPS. The device includes features that simplify the design of complex transmit architectures: 2x to 16x digital interpolation filters with over 90dB of stop-band attenuation simplify the data interface and reconstruc.

Features

•1 Very Low Power: 1.27 W at 1.25 GSPS, Full Operating Conditions
• Multi-DAC Synchronization
• Selectable 2x, 4x, 8x, 16x Interpolation Filter
  – Stop-Band Attenuation > 90 dBc
• Flexible On-chip Complex Mixing
  – Two Independent Fine Mixers with 32-Bit NCOs
  – Power Saving Coarse Mixers: ± n×Fs/8
• High Performance, Low Jitter Clock Multiplying PLL
• Digital I and Q Correction
  – Gain, Phase, Offset, and Group Delay Correction
• Digital Inverse Sinc Filter
• Flexible 16-Bit LVDS Input Data Bus
  – 8 Sample Input FIFO
  – Data Pattern Checker
  – Parity Check
  – GC5330 Compatible
• Temperature Sensor
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