AD12401

www.DataSheet4U.com 12-Bit, 400 MSPS A/D Converter AD12401 FEATURES Up to 400 MSPS sample rate SNR of 63 dBFS @128 MHz SFDR of 70 dBFS @128 MHz VSWR of 1:1.5 High or low gain grades Wideband ac-coupled input signal conditioning Enhanced spurious-free dynamic range Single-ended or differential ENCODE signal LVDS output levels Twos complement output data FUNCTIONAL BLOCK DIAGRAM AD12401 ADC A POSTPROCESSING DATA READY A DA0–DA11 CLK DISTRIBUTION AIN ADC B DB0–DB11 DR_EN APPLICATIONS Communications test equipment Radar and satellite subsystems Phased array antennas, digital beams Multichannel, multimode receivers Secure communications Wireless and wired broadband communications Wideband carrier frequency systems CLOCK DISTRIBUTION DIVIDE BY 2 DATA READY B ENC ENC OROUT Figure 1. GENERAL DESCRIPTION The AD12401 is a 12-bit analog-to-digital converter (ADC) with a transformer-coupled analog input and digital postprocessing for enhanced SFDR. The product operates at up to 400 MSPS conversion rate with outstanding dynamic performance in wideband carrier systems. The AD12401 requires a 3.7 V analog supply and 3.3 V and 1.5 V digital supplies, and provides a flexible ENCODE signal that can be differential or single ended. No external reference is required. The AD12401 package style is an enclosed 2.9" × 2.6" × 0.6" module. Performance is rated over a 0°C to 60°C case temperature range. PRODUCT HIGHLIGHTS 1. Guaranteed sample rate up to 400 MSPS. 2. Input signal conditio...