The ADS5474 evaluation module (EVM), from Texas Instruments Incorporated (TI) (NYSE: TXN), combines TI’s fastest 14-bit analog-to-digital converters (ADCs) in an interleaved fashion with a Xilinx Virtex-5 FPGA to create the best-performing high-speed digitizer solution in the market. The FPGA comes pre-installed with SP Devices’ proprietary time-interleaving technology to eliminate interleaving spurs, which enhances performance and facilitates rapid system-level evaluation for wireless communications, military, test and measurement applications. The ADS5474ADX-EVM is available today for $1,999.
TI ADS5474ADX-EVM Features
- Transformer coupled analog input path
- Texas Instrument’s THS9001 analog input path
- LVDS capture ability
The ADS5474ADX-EVM features two TI’s ADS5474 ADCs, a Xilinx Virtex-5 FPGA, and SP Devices’ proprietary time-interleaving technology to deliver an 800-MSPS ADC solution. The SP Devices’ software continuously monitors the system and removes ADC gain, clocking and temperature mismatches to reduce the interleaving spurs below the ADC harmonic spurs. By reducing the interleaving spurs, the software increases spurious free dynamic range (SFDR) from 45.78 dBc to 86.44 dBc for a 70-MHz input signal.
In addition to improved performance for these complex systems, the EVM simplifies evaluation and helps designers bring end systems to market faster. For instance, the continuous monitoring of the ADC’s mismatch eliminates the need for an off-line re-calibration routine to account for changes in temperature or other environmental factors, significantly reducing system evaluation and design time.