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DAC1405D650 - Dual 14-bit DAC

Datasheet Summary

Description

The DAC1405D650 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 wireless transmitters.

Features

  • Dual 14-bit resolution.
  • 650 Msps maximum update rate.
  • IMD3: 80 dBc; fs = 640 Msps; fo = 96 MHz.
  • ACPR: 71 dBc; 2 carriers WCDMA; fs = 614.4 Msps; fo = 96 MHz; PLL on.
  • Selectable 2, 4 or 8 interpolation.
  • Typical 0.95 W power dissipation at 4 filters interpolation.
  • Input data rate up to 160 Msps.
  • Power-down and Sleep modes.
  • Very low noise cap-free integrated PLL.
  • Differential scalable output current from 1.6 mA to 22 mA.
  • 32-bit p.

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Datasheet preview – DAC1405D650

Datasheet Details

Part number DAC1405D650
Manufacturer IDT
File Size 408.42 KB
Description Dual 14-bit DAC
Datasheet download datasheet DAC1405D650 Datasheet
Additional preview pages of the DAC1405D650 datasheet.

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Full PDF Text Transcription

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DAC1405D650 Dual 14-bit DAC, up to 650 Msps; 2, 4 and 8 interpolating Rev. 05 — 2 July 2012 Product data sheet 1. General description The DAC1405D650 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 wireless transmitters. Thanks to its digital on-chip modulation, the DAC1405D650 allows the complex I and Q inputs to be converted up 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. Two modes of operation are available: separate data ports or a single interleaved high-speed data port.
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