EE Product News

Micropower 3-V Reference Has High PSRR For Portable Applications

A high power-supply rejection ratio (PSRR) of 51 dB typical at 2 kHz is a key attribute of the MAX6010, a precision, micropower voltage reference. This high PSRR eases design of applications with electrically noisy environments. In addition, it has a low 200-mV dropout voltage and an ultra-low 3-µA typical 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 2.9-mm x 2.3-mm 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 3.2 V to 5.5 V, and has an output of 3.0 V. The reference has an initial accuracy of ±0.2% (A grade) and ±0.4% (B grade), and temperature drift of 16 ppm/°C typical. Prices start at $0.60 each in lots of 1000; samples are available now. MAXIM INTEGRATED PRODUCTS, Sunnyvale, CA. (800) 998-8800.


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