DESCRIPTION

· The ADR42x series are ultraprecision, second-generation XFET voltage references with low noise, high accuracy, and excellent long-term stability.

· They feature patented temperature drift curvature correction and XFET technology for minimized nonlinearity with temperature.

· Available in 8-lead SOIC and 8-lead MSOP packages, suitable for precision conversion applications like optical networks and medical equipment.

FEATURES

· Low noise: ADR420/421 (1.75 μV p-p), ADR423 (2.0 μV p-p), ADR425 (3.4 μV p-p).

· Low temperature coefficient: 3 ppm/°C, long-term stability: 50 ppm/1000 hours.

· Load regulation: 70 ppm/mA, line regulation: 35 ppm/V, low hysteresis: 40 ppm.

· Wide operating range: ADR420 (4 V to 18 V), ADR421 (4.5 V to 18 V), ADR423 (5 V to 18 V), ADR425 (7 V to 18 V).

· Quiescent current: 0.5 mA max, high output current: 10 mA, temperature range: −40°C to +125°C.

APPLICATIONS

· Precision data acquisition systems and high-resolution converters.

· Battery-powered instrumentation and portable medical instruments.

· Industrial process control systems and precision instruments.

· Optical network control circuits.