Comprising six single-channel and dual-channel models, Texas Instrumentsí 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.
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