Datasheet ADR121, ADR125, ADR127 (Analog Devices) - 2

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ADR121/ADR125/ADR127 TABLE OF CONTENTS
Features .. 1 Terminology .. 15 Applications ... 1 Theory of Operation .. 16 Pin Configuration ... 1 Power Dissipation Considerations ... 16 General Description ... 1 Input Capacitor ... 16 Revision History ... 2 Output Capacitor .. 16 Specifications ... 3 Applications Information .. 17 ADR121 Electrical Characteristics ... 3 Basic Voltage Reference Connection ... 17 ADR125 Electrical Characteristics ... 4 Stacking Reference ICs for Arbitrary Outputs ... 17 ADR127 Electrical Characteristics ... 5 Negative Precision Reference Without Precision Resistors .. 17 Absolute Maximum Ratings .. 6 General-Purpose Current Source .. 17 Thermal Resistance .. 6 Outline Dimensions ... 18 ESD Caution .. 6 Ordering Guide .. 18 Typical Performance Characteristics ... 7
REVISION HISTORY 1/08—Rev. A to Rev. B
Changes to Table 1 .. 3 Changes to Table 2 .. 4 Changes to Table 3 ...5 Changes to Figure 52 .. 17 Changes to Ordering Guide ... 18
5/07—Rev. 0 to Rev. A
Changes to Table 1 .. 3 Changes to Table 2 .. 4 Changes to Table 3 .. 5 Added Thermal Hysteresis Equation ... 7 Changes to Ordering Guide .. 18
6/06—Revision 0: Initial Version
Rev. B | Page 2 of 20 Document Outline FEATURES APPLICATIONS PIN CONFIGURATION GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ADR121 ELECTRICAL CHARACTERISTICS ADR125 ELECTRICAL CHARACTERISTICS ADR127 ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION POWER DISSIPATION CONSIDERATIONS INPUT CAPACITOR OUTPUT CAPACITOR APPLICATIONS INFORMATION BASIC VOLTAGE REFERENCE CONNECTION STACKING REFERENCE ICs FOR ARBITRARY OUTPUTS NEGATIVE PRECISION REFERENCE WITHOUT PRECISION RESISTORS GENERAL-PURPOSE CURRENT SOURCE OUTLINE DIMENSIONS ORDERING GUIDE