Datasheet ADR420, ADR421, ADR423, ADR425 (Analog Devices) - 2

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ADR420/ADR421/ADR423/ADR425 Data Sheet TABLE OF CONTENTS
Features .. 1 Device Power Dissipation Considerations .. 17 Applications ... 1 Basic Voltage Reference Connections ... 17 Pin Configuration ... 1 Noise Performance ... 17 General Description ... 1 Turn-On Time .. 17 ADR42x Products ... 1 Applications ... 18 Revision History ... 3 Output Adjustment .. 18 Specifications ... 4 Reference for Converters in Optical Network Control ADR420 Electrical Specifications ... 4 Circuits... 18 ADR421 Electrical Specifications ... 5 High Voltage Floating Current Source .. 18 ADR423 Electrical Specifications ... 6 Kelvin Connections .. 19 ADR425 Electrical Specifications ... 7 Dual-Polarity References ... 19 Absolute Maximum Ratings .. 8 Programmable Current Source .. 20 Thermal Resistance .. 8 Programmable DAC Reference Voltage .. 20 ESD Caution .. 8 Precision Voltage Reference for Data Converters .. 21 Pin Configurations and Function Descriptions ... 9 Precision Boosted Output Regulator ... 21 Typical Performance Characteristics ... 10 Outline Dimensions ... 22 Terminology .. 16 Ordering Guide .. 23 Theory of Operation .. 17 Rev. J | Page 2 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