Comprising six single-channel and dual-channel models, Texas Instruments’ ADS5409 family of 12 bit ADCs offers sampling speeds ranging from 500 Msamples/s to 900 Msamples/s, while reducing board space requirements by 80%. The manufacturer reports that the ADS5409 series provides best-in-class SNR (signal-to-noise ratio) and SFDR (spurious-free dynamic range) in a significantly smaller footprint to meet the needs of test and measurement equipment, wideband LTE and LTE-Advanced base stations, cable infrastructure, and defense electronics.
The converters, which come in 12×12-mm BGA packages, provide 2-dB higher SNR and 10-dBc higher SFDR than existing solutions. Additionally, they slash power consumption by up to 20%. An optional 2X decimation filter eases analog filter requirements and reduces the data interface rate by half.
Pin-compatible with the ADS5409 family, the complementary 12-bit ADS54T02 series includes three one- and two-channel, 500- to 750-Msample/s receiver and feedback ICs for TDD (time division duplex) base stations. These devices are also housed in 12×12-mm BGA packages.
Prices for the ADS5409 series ADCs range from $187.50 to $393.35 in lots of 1000 units. Prices for the ADS54T02 series receiver and feedback ICs range from $187.50 to $218.75 in lots of 1000 units.
David Patterson, known for his pioneering research that led to RAID, clusters and more, is part of a team at UC Berkeley that recently made its RISC-V processor architecture an open source hardware offering. We talk with Patterson and one of his colleagues behind the effort about the opportunities they see, what new kinds of designs they hope to enable and what it means for today’s commercial processor giants such as Intel, ARM and Imagination Technologies.