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Micropower Voltage Reference Has High PSRR for Portable Applications

24th September 2009
ES Admin
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Maxim has introduced the MAX6010 precision, micropower voltage reference. This IC offers a high PSRR of 51dB (typ) at 2kHz to ease design of applications with electrically noisy environments. In addition, it has a low 200mV dropout voltage and an ultra-low 3microamp (typ) supply current that is virtually independent of supply voltage.
This configuration avoids the wasted supply current of conventional shunt-mode references and eliminates the external resistor that they require. Packaged in a 2.9mm x 2.3mm SOT23, the MAX6010 is well suited for portable and battery-operated applications such as battery-monitoring systems and lens image stabilization in high-end digital SLR cameras.

The MAX6010 operates with an input voltage from 3.2V to 5.5V, and has an output of 3.0V. The reference has an initial accuracy of ±0.2% (A grade) and ±0.4% (B grade), and temperature drift of 16ppm/degree Celsius (typ). Prices start at $0.60 (1000-up, FOB USA). Samples are available now.

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