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General Description

The MAX12527 is a dual 3.3V, 12-bit analog-to-digital converter (ADC) featuring fully differential wideband track-and-hold (T/H) inputs, driving internal quantizers. The MAX12527 is optimized for low power, small size, and high dynamic performance in intermediate frequency (IF) and baseband sampling applications.

Features

? Direct IF Sampling Up to 400MHz

? Excellent Dynamic Performance 70.4dB/69.8dB SNR at fIN = 70MHz/175MHz 84.4dBc/80.2dBc SFDR at fIN = 70MHz/175MHz

? 3.3V Low Power Operation 647mW (Differential Clock Mode) 620mW (Single-Ended Clock Mode)

? Fully Differential or Single-Ended Analog Input

? Adjustable Differential Analog Input Voltage

? 750MHz Input Bandwidth

? Adjustable, Internal or External, Shared Reference

? Differential or Single-Ended Clock

? Accepts 25 to 75 Clock Duty Cycle

? User-Selectable DIV2 and DIV4 Clock Modes

? Power-Down Mode

? CMOS Outputs in Two’s Complement or Gray Code

? Out-of-Range and Data-Valid Indicators

? Small, 68-Pin Thin QFN Package

? 14-Bit Compatible Version Available (MAX12557)

? Evaluation Kit Available (Order MAX12527 EV Kit)

Applications

??? IF and Baseband Communication Receivers Cellular, LMDS, Point-to-Point Microwave, MMDS, HFC, WLAN

??? I/Q Receivers

??? Ultrasound and Medical Imaging

??? Portable Instrumentation

??? Digital Set-Top Boxes

??? Low-Power Data Acquisition