link to page 1 link to page 1 link to page 1 link to page 1 link to page 3 link to page 3 link to page 4 link to page 4 link to page 4 link to page 6 link to page 7 link to page 7 link to page 7 link to page 7 link to page 8 link to page 9 link to page 16 link to page 16 link to page 16 link to page 17 link to page 17 link to page 18 link to page 18 link to page 18 link to page 18 link to page 18 link to page 18 link to page 19 link to page 20 link to page 20 link to page 21 link to page 21 link to page 21 Data Sheet ADR1001TABLE OF CONTENTS Features.. 1 Buried Zener Reference Loop..16 Applications... 1 Thermal Regulator..16 General Description...1 Heater Current Limiting.. 17 Functional Block Diagram..1 Setting the ADR1001 Operating Temperature..17 Specifications.. 3 Precision Voltage Divider and Output Buffer.. 18 6.6 V Reference Characteristics...3 Power Good... 18 Heater Amplifier Electrical Characteristics... 4 External Resistor Sensitivity...18 5 V Output and Buffer Electrical Capacitors.. 18 Characteristics..4 Noise Performance...18 Voltage Divider Characteristics.. 6 Electromechanical Stability.. 18 Absolute Maximum Ratings...7 Solder Heat Resistance (SHR) Shift.. 19 Thermal Resistance... 7 Applications Information.. 20 Electrostatic Discharge (ESD) Ratings...7 Basic Connections..20 ESD Caution...7 Outline Dimensions... 21 Pin Configuration and Function Descriptions.. 8 Ordering Guide...21 Typical Performance Characteristics... 9 Evaluation Boards.. 21 Theory of Operation...16 REVISION HISTORY1/2024—Revision 0: Initial Versionanalog.comRev. 0 | 2 of 21 Document Outline Features Applications General Description Functional Block Diagram Specifications 6.6 V Reference Characteristics Heater Amplifier Electrical Characteristics 5 V Output and Buffer Electrical Characteristics Voltage Divider Characteristics Absolute Maximum Ratings Thermal Resistance Electrostatic Discharge (ESD) Ratings ESD Ratings for the ADR1001 ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Buried Zener Reference Loop Thermal Regulator Heater Current Limiting Setting the ADR1001 Operating Temperature Precision Voltage Divider and Output Buffer Power Good External Resistor Sensitivity Capacitors Noise Performance Electromechanical Stability Solder Heat Resistance (SHR) Shift Applications Information Basic Connections Outline Dimensions Ordering Guide Evaluation Boards