General Description

The MAX5195 is an advanced, 14-bit, 260Msps digital to-analog converter (DAC) designed to meet the demanding performance requirements of signal synthe sis applications found in wireless base stations and other communication systems. Operating from a single 5V supply, this DAC offers exceptional dynamic performance such as 77dBc spurious-free dynamic range (SFDR) at fOUT = 19.4MHz, while supporting update rates beyond 260Msps.

The MAX5195 current-source array architecture supports a full-scale current range of 10mA to 20mA, which allows a differential output voltage swing between 0.5VP-P and 1VP-P.

The MAX5195 features an integrated 1.2V bandgap reference and control amplifier to ensure high accuracy and low-noise performance. Additionally, a separate reference input pin allows the user to apply an external reference source for optimum flexibility.

特性 Features

? 260Msps Output Update Rate

? Excellent SFDR Performance

?? To Nyquist (-12dBFS)

????? At 19.4MHz Output = 77dBc

????? At 51.6MHz Output = 76dBc

? Industry-Leading IMD Performance

?? For 4 Tones (-15dBFS)

????? At 18MHz Output = 86dBc

????? At 31MHz Output = 84dBc

? Low Noise Performance

?? SNR = 160dB/Hz at fOUT = 19.4MHz

? On-Chip 1.2V Bandgap Reference

? 20mA Full-Scale Current

? Single 5V Supply

? Differential LVPECL-Compatible Digital Inputs

? 48-Lead QFN-EP Package

Applications

? Base Stations:

???? Single-/Multi-Carrier UMTS, GSM

? LMDS, MMDS, Point-to-Point Microwave

? Direct IF Synthesis

? Digital-Signal Synthesis

? Broadband Cable Systems

? Automated Test Equipment

? Instrumentation

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