ADR420/ADR421/ADR423/ADR425Data SheetTYPICAL PERFORMANCE CHARACTERISTICS2.04955.00252.04935.00232.04915.00212.04895.00192.04875.0017(V)(V)2.04855.0015UTUTOOVV2.04835.00132.04815.00112.04795.00092.0477 004 5.0007 007 02432- 2.0475 02432- 5.0005–40–10205080110125–40–10205080110125TEMPERATURE (°C)TEMPERATURE (°C) Figure 3. ADR420 Typical Output Voltage vs. Temperature Figure 6. ADR425 Typical Output Voltage vs. Temperature 2.50150.552.50130.502.5011+125°C2.5009mA) 0.45(2.5007NT+25°C(V) 2.50050.40UT OVCURRE2.5003Y L–40°CPP 0.352.5001SU2.49990.302.4997 005 008 02432- 2.4995 02432- 0.25–40–1020508011012546810121415TEMPERATURE (°C)INPUT VOLTAGE (V) Figure 4. ADR421 Typical Output Voltage vs. Temperature Figure 7. ADR420 Supply Current vs. Input Voltage 3.00100.553.00080.503.00063.0004mA) 0.45(3.0002NT+125°C(V) 3.00000.40UT OVCURRE2.9998Y L+25°CPP 0.352.9996SU2.9994–40°C0.302.9992 006 009 02432- 2.9990 02432- 0.25–40–1020508011012546810121415TEMPERATURE (°C)INPUT VOLTAGE (V) Figure 5. ADR423 Typical Output Voltage vs. Temperature Figure 8. ADR421 Supply Current vs. Input Voltage Rev. J | Page 10 of 24 Document Outline Features Applications Pin Configuration General Description ADR42x Products Revision History Specifications ADR420 Electrical Specifications ADR421 Electrical Specifications ADR423 Electrical Specifications ADR425 Electrical Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Terminology Theory of Operation Device Power Dissipation Considerations Basic Voltage Reference Connections Noise Performance Turn-On Time Applications Output Adjustment Reference for Converters in Optical Network Control Circuits High Voltage Floating Current Source Kelvin Connections Dual-Polarity References Programmable Current Source Programmable DAC Reference Voltage Precision Voltage Reference for Data Converters Precision Boosted Output Regulator Outline Dimensions Ordering Guide