Analogue, Mixed Signal, LSI


High-accuracy voltage references

30 September 2009 Analogue, Mixed Signal, LSI

ON Semiconductor has rolled out its new CAT8900 family of high-accuracy voltage reference ICs. The family combines very high initial accuracy, low supply current consumption and a stable temperature coefficient, to enable precision performance in test equipment and portable, battery-powered data acquisition systems.

The ICs provide initial accuracy as high as 0,02% (±0,5 mV) and a stable, 20 ppm/°C temperature coefficient, while maintaining a low maximum supply current consumption of 800 nA. The family offers nine voltage reference choices: 1024 V, 1200 V, 1250 V, 1800 V, 2048 V, 2500 V, 2600 V, 3000 V and 3300 V. Custom voltages are available on request. Each reference is available in four accuracy grades: ±0,5 mV, ±1,0 mV, ±2,5 mV and ±5,0 mV. The devices source or sink up to 10 mA of load current with as little as 50 mV of dropout. In most applications they do not require an output bypass capacitor.



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