Data Sheet
Ultraprecision, Low Noise, 2.048 V/2.500 V/ 3.00 V/5.00 V XFET® Voltage References
ADR420/ADR421/ADR423/ADR4...
Data Sheet
Ultraprecision, Low Noise, 2.048 V/2.500 V/ 3.00 V/5.00 V XFET®
Voltage References
ADR420/ADR421/ADR423/ADR425
FEATURES
Low noise (0.1 Hz to 10 Hz) ADR420: 1.75 μV p-p ADR421: 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 typical 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 maximum High output current: 10 mA Wide temperature range: −40°C to +125°C
APPLICATIONS
Precision data acquisition systems High resolution converters Battery-powered instrumentation Portable medical instruments Industrial process control systems Precision instruments Optical network control circuits
ADR42x PRODUCTS
Table 1.
Model ADR420 ADR421 ADR423 ADR425
Output
Voltage, VOUT (V) 2.048 2.50 3.00 5.00
PIN CONFIGURATION
TP 1 ADR420/ 8 TP
VIN 2
ADR421...
