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MAX5898 - 16-Bit / 500Msps Interpolating and Modulating Dual DAC

Description

The MAX5898 programmable interpolating, modulating, 500Msps, dual digital-to-analog converter (DAC) offers superior dynamic performance and is optimized for highperformance wideband, single- and multicarrier transmit applications.

Features

  • a fIM / 4 digital image-reject modulator. This modulator generates a quadrature-modulated IF signal that can be presented to an analog I/Q modulator to complete the upconversion process. A second digital modulation mode allows the signal to be frequency-translated with image pairs at fIM / 2 or fIM / 4. The MAX5898 features a standard LVDS interface for low electromagnetic interference (EMI). Interleaved data is applied through a single 16-bit bus. A 3.3V SPI™ port is provided for mode configura.

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Full PDF Text Transcription

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19-3756; Rev 1; 7/07 KIT ATION EVALU E L B A IL AVA www.DataSheet4U.com 16-Bit, 500Msps, Interpolating and Modulating Dual DAC with Interleaved LVDS Inputs General Description The MAX5898 programmable interpolating, modulating, 500Msps, dual digital-to-analog converter (DAC) offers superior dynamic performance and is optimized for highperformance wideband, single- and multicarrier transmit applications. The device integrates a selectable 2x/4x/8x interpolating filter, a digital quadrature modulator, and dual 16-bit, high-speed DACs on a single integrated circuit. At 30MHz output frequency and 500Msps update rate, the in-band SFDR is 81dBc, while only consuming 1.2W. The device also delivers 71dB ACLR for fourcarrier WCDMA at a 61.44MHz output frequency.
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