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Voltage reference IC provides 15db PSRR

Posted: 07 Oct 2009 ?? ?Print Version ?Bookmark and Share

Keywords:voltage reference? PSRR?

MAX6010 voltage reference

Maxim Integrated Products has developed the MAX6010, a precision, micropower voltage reference that offers a high power supply rejection ratio (PSRR) of 51dB (typ) at 2kHz to ease design of applications with electrically noisy environments.

The device has a 200mV dropout voltage and 3?A (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. The voltage reference chip is packaged in a 2.9mm x 2.3mm SOT23 and 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 3V. The reference has an initial accuracy of 0.2 percent (A grade) and 0.4 percent (B grade), and temperature drift of 16ppm/C (typ). Prices start at $0.60 (1000-up, FOB USA). Samples are available now.

For application notes on voltage reference ICs click here.

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