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DAC1408D650 Datasheet Dual 14-bit DAC

Manufacturer: NXP Semiconductors

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General Description

The DAC1408D650 is a high-speed 14-bit dual channel Digital-to-Analog Converter (DAC) with selectable 2, 4 or 8 interpolating filters optimized for multi-carrier WCDMA transmitters.

Because of its digital on-chip modulation, the DAC1408D650 allows the complex pattern provided through lane 0, lane 1, lane 2 and lane 3, to be converted from baseband to IF.

The mixing frequency is adjusted via a Serial Peripheral Interface (SPI) with a 32-bit Numerically Controlled Oscillator (NCO) and the phase is controlled by a 16-bit register.

Overview

DAC1408D650 Dual 14-bit DAC; up to 650 Msps; 2, 4 or 8 interpolating with JESD204A interface Rev.

5 — 31 January 2012 Product data sheet 1.

Key Features

  • Dual 14-bit resolution.
  • 650 Msps maximum update rate.
  • Selectable 2, 4 or 8 interpolation filters.
  • Input data rate up to 312.5 Msps.
  • Very low-noise cap-free integrated PLL.
  • 32-bit programmable NCO frequency.
  • Four JESD204A serial input lanes.
  • 1.8 V and 3.3 V power supplies.
  • LVDS compatible clock inputs.
  • IMD3: 80 dBc; fs = 640 Msps; fo = 140 MHz.
  • ACPR: 71 dBc; two carriers WCDMA; fs = 640 Msps; fo = 133 MHz.
  • Typical 1.26 W power diss.

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