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MAX5895 - 16-Bit/ 500Msps Interpolating and Modulating Dual DAC with CMOS Inputs

Description

The MAX5895 programmable interpolating, modulating, 500Msps, dual digital-to-analog converter (DAC) offers superior dynamic performance and is optimized for high-performance, 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 MAX5895 features a standard 1.8V CMOS, 3.3V tolerant data input bus for easy interface. A 3.3V SPI™ port is provided for mode configuration. The programmable modes include the selection of 2x/4x/8x.

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Full PDF Text Transcription

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19-3545; Rev 2; 10/08 KIT ATION EVALU E L B AVAILA www.DataSheet4U.com 16-Bit, 500Msps Interpolating and Modulating Dual DAC with CMOS Inputs General Description The MAX5895 programmable interpolating, modulating, 500Msps, dual digital-to-analog converter (DAC) offers superior dynamic performance and is optimized for high-performance, 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 IC. At 30MHz output frequency and 500Msps update rate, the in-band SFDR is 88dBc while consuming 1.1W. The device also delivers 71dB ACLR for four-carrier WCDMA at a 61.44MHz output frequency.
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