Texas Instruments has introduced a 13-bit analog-to-digital converter (ADC) featuring a 68 dB signal-to-noise ratio (SNR) and a 79 dB spurious-free dynamic range (SFDR), at a maximum sample rate of 210 megasamples per second (MSa/s) and an input frequency of 230 MHz. This unusually high dynamic performance of the new ADS5440 enables improved receiver performance in a multitude of applications including software-defined radios, base station power amplifier linearization systems, and test and measurement systems.
The ADS5440 is said to deliver the highest SNR and SFDR performance at high input frequencies. The device operates from a 5 VDC supply, while providing LVDS-compatible digital outputs from a 3.3 VDC supply. In addition, an internal reference and input buffer simplifies system design requirements. The device is specified over an industrial temperature range of -40 ºC to +85 ºC.
The ADS5440 is sampling now, with volume production scheduled for the fourth quarter of this year. The device is housed in an 80-pin TQFP PowerPad package and is priced at $65.00 in 1,000 piece quantities.
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