Data SheetADR440/ADR441/ADR443/ADR444/ADR445PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONSADR440/DNCADR440/18DNCDNC18DNCADR441/ADR441/VADR443/VADR443/7NICIN27NICIN2ADR444/ADR444/NIC36VADR445NIC36VOUTADR445OUTTOP VIEWTOP VIEWGND45TRIMGND45TRIM(Not to Scale)(Not to Scale)NOTESNOTES1. NIC = NOT INTERNALLY CONNECTED.1. NIC = NOT INTERNALLY CONNECTED. 101 102 THIS PIN IS NOT CONNECTED INTERNALLY.THIS PIN IS NOT CONNECTED INTERNALLY.2. DNC = DO NOT CONNECT. DO NOT CONNECT TO THIS PIN. 05428- 2. DNC = DO NOT CONNECT. DO NOT CONNECT TO THIS PIN. 05428- Figure 3. 8-Lead SOIC Pin Configuration Figure 4. 8-Lead MSOP Pin Configuration Table 9. Pin Function Descriptions Pin No.Mnemonic Description 1, 8 DNC Do Not Connect. Do not connect to these pins. 2 VIN Input Voltage Connection. 3, 7 NIC Not Internally Connected. These pins are not connected internally. 4 GND Ground. 5 TRIM Output Voltage Trim. 6 VOUT Output Voltage. Rev. G | Page 9 of 19 Document Outline Features Applications Pin Configurations General Description Revision History Specifications ADR440 Electrical Characteristics ADR441 Electrical Characteristics ADR443 Electrical Characteristics ADR444 Electrical Characteristics ADR445 Electrical Characteristics Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Theory of Operation Power Dissipation Considerations Basic Voltage Reference Connections Noise Performance Turn On Time Applications Information Output Adjustment Bipolar Outputs Programmable Voltage Source Programmable Current Source High Voltage Floating Current Source Precision Output Regulator (Boosted Reference) Outline Dimensions Ordering Guide