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Voltage references claim new standards

Edited by the Electronicstalk editorial team Aug 13, 2003

Xicor reckons the performance of its new X60008CIS8-50 and X60008DIS8-50 5V reference devices eclipses many of the most accurate devices currently available.

Xicor reckons the performance of its new X60008CIS8-50 and X60008DIS8-50 5V reference devices eclipses many of the most accurate devices currently available.

The devices offer a guaranteed absolute initial accuracy as low as +/-0.5mV, straight-line temperature coefficients as tight as 5ppm/C, and a long-term stability of 10ppm/kh while consuming a mere 500nA of supply current.

Both devices feature a noise voltage figure of 30uV peak-peak (0.1 to 10Hz), a sink/source current of 10mA, and an operating temperature range of -40 to +85C.

The X60008CIS8-50 and X60008DIS8-50 are the first devices in an extensive family of precision voltage references manufactured using Xicor's proprietary FGA technology.

Current voltage references that achieve initial accuracies tighter than +/-1mV with temperature stability less than 5ppm/C are expensive as well as limited in availability due to the limitations of current technologies.

However, Xicor's FGA technology easily achieves performance levels that exceed the best of conventional buried-zener and bandgap technologies by storing the reference voltage as a precisely controlled charge on a floating gate device.

The X60008 family provides the system designer with next generation precision voltage references that push current performance boundaries and set new benchmark standards for initial accuracy, temperature stability and long-term drift, all at extremely low supply current.

This impressive array of exceptional performance specifications will enable the design of extremely stable and highly accurate industrial and portable systems.

The X60008CIS8-50 and X60008DIS8-50 are available now in 8-lead SOIC packaging.

Xicor plans to expand the X60008 family throughout the year with options that feature reference voltages down to 0.9000V, +/-0.25mV initial accuracy and temperature coefficients of 1ppm/C.

The company also plans additional product family introductions including smaller packages and products designed for applications requiring fast transient response performance.