REF191

超低噪声，高精度 Ultralow Noise, High Accuracy

GENERAL DESCRIPTION

The REF19x series precision band gap voltage references use a patented temperature drift curvature correction circuit and laser trimming of highly stable, thin-film resistors to achieve a very low temperature coefficient and high initial accuracy.

FEATURES

Initial accuracy: ±2 mV maximum

Temperature coefficient: 5 ppm/°C maximum

Low supply current: 45 μA maximum

Sleep mode: 15 μA maximum

Low dropout voltage

Load regulation: 4 ppm/mA

Line regulation: 4 ppm/V

High output current: 30 mA

Short-circuit protection