link to page 6 ADR291/ADR292ABSOLUTE MAXIMUM RATINGS Remove power before inserting or removing units from their Table 9. Package Types sockets. Package Typeθ 1JAθJCUnitTable 8. 8-Lead SOIC (R) 158 43 °C/W Parameter Rating 8-Lead TSSOP (RU) 240 43 °C/W Supply Voltage 18 V 3-Lead TO-92 (T) 160 – °C/W Output Short-Circuit Duration to GND Indefinite 1 θJA is specified for worst-case conditions. For example, θJA is specified for a Storage Temperature Range device in socket testing. In practice, θJA is specified for a device soldered in the circuit board. T, R, RU Packages −65°C to +150°C Operating Temperature Range Table 10. Other XFET Products ADR291/ADR292 −40°C to +125°C Nominal Output Junction Temperature Range Part NumberVoltage (V)Package Type T, R, RU Packages −65°C to +125°C ADR420 2.048 8-Lead MSOP/SOIC Lead Temperature (Soldering, 60 sec) 300°C ADR421 2.50 8-Lead MSOP/SOIC Stresses above those listed under Absolute Maximum Ratings ADR423 3.0 8-Lead MSOP/SOIC may cause permanent damage to the device. This is a stress ADR425 5.0 8-Lead MSOP/SOIC rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute ESD CAUTION maximum rating conditions for extended periods may affect device reliability. Rev. F | Page 6 of 20 Document Outline FEATURES APPLICATIONS CONNECTION DIAGRAMS GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ADR291 ELECTRICAL SPECIFICATIONS ADR292 ELECTRICAL SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS 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 INFORMATION HIGH VOLTAGE FLOATING CURRENT SOURCE KELVIN CONNECTIONS LOW POWER, LOW VOLTAGE REFERENCE FOR DATA CONVERTERS VOLTAGE REGULATOR FOR PORTABLE EQUIPMENT OUTLINE DIMENSIONS ORDERING GUIDE