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General Description

The MAX1215N is a monolithic, 12-bit, 250Msps analog-to-digital converter (ADC) optimized for outstanding dynamic performance at high-IF frequencies beyond 300MHz. The product operates with conversion rates up to 250Msps while consuming only 886mW.

At 250Msps and an input frequency of 100MHz, the MAX1215N achieves an 84.7dBc spurious-free dynamic range (SFDR) with e6.7dB signal-to-noise ratio (SNR) that remains flat (within 2dB) for input tones up to 250MHz. This makes it ideal for wideband applications such as communications receivers, cable-head end receivers, and power-amplifier predistortion in cellular base-station transceivers (BTS).

Features

? 250Msps Conversion Rate

? Excellent Low-Noise Characteristics

?? SNR = 66.7dB at fIN = 100MHz

?? SNR = 65.6dB at fIN = 250MHz

? Excellent Dynamic Range

?? SFDR = 84.7dBc at fIN = 100MHz

?? SFDR = 80dBc at fIN = 250MHz

? Single 1.8V Supply

? 886mW Power Dissipation at fSAMPLE = 250Msps

?? and fIN = 100MHz

? On-Chip Track-and-Hold Amplifier

? Internal 1.25V-Bandgap Reference

? On-Chip Selectable Divide-by-2 Clock Input

? LVDS Digital Outputs with Data Clock Output

? MAX1215NEVKIT Available

Applications

?? Base-Station Power-Amplifier Linearization

?? Cable-Head End Receivers

?? Wireless and Wired Broadband Communications

?? Communications Test Equipment

?? Radar and Satellite Subsystems