Intersil Introduces Industry’s Best ADC Driver for High Speed Applications

23 MAY 2011

Intersil Corporation introduced the ISL55210, an ultra-low distortion, low power, differential I/O amplifier providing unmatched Spurious Free Dynamic Range (SFDR) and Signal-to-Noise Ratio (SNR). This previously unavailable combination of high performance and low power now enables customers to implement very efficient high speed data acquisition systems and high bandwidth communications equipment.
The ISL55210 noise is negligible with respect to the ADC, so adding gain and filtering will have virtually no impact on a system’s SNR. In addition, power requirements are a minimal 115mW – less than half the power used by alternative solutions. The device features very high slew rates, low noise and ultra-low distortion, and provides a 4GHz gain bandwidth with input noise of only 0.85nV/√Hz. The ISL55210 also provides consistent performance over a wide temperature and gain range. Distortion for the ISL55210 is a very low -94dBc at 140MHz (IM3). In addition, the amplifier’s balanced architecture suppresses even-order harmonic distortion, which is usually caused by asymmetrical or unbalanced signal paths. The ISL55210 supports gains greater than two with minimal bandwidth or SFDR degradation. This significant performance margin is well suited to support Intersil’s low power 500MSPS ISLA112P50 12-bit and the ISLA214P50 14-bit ADCs.

Intersil Corporation

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