ADR821/ADR827PIN CONFIGURATION AND FUNCTION DESCRIPTIONSV+ 110 AMP_OUTR1 29 R2ADR821/GND 3ADR8278 –INNC 4TOP VIEW7 +IN(Not to Scale)V– 56 REF_OUT 02 0 65- NC = NO CONNECT 66 0 Figure 2. Pin Configuration Table 10. Pin Function Descriptions Pin No.MnemonicDescription 1 V+ Input Voltage of the Reference/Positive Supply of the Amplifier 2 R1 Resistance Tied to Positive Input of the Amplifier 3 GND Ground 4 NC Do Not Connect Any External Components to This Pin 5 V− Negative Supply of the Amplifier 6 REF_OUT Output Voltage of the Reference 7 +IN Positive Input of the Amplifier 8 −IN Negative Input of the Amplifier 9 R2 Resistance Tied to Positive Input of the Amplifier 10 AMP_OUT Output Pin of the Amplifier Rev. 0 | Page 10 of 20 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS ADR821 ELECTRICAL CHARACTERISTICS—REFERENCE ADR821 ELECTRICAL CHARACTERISTICS—AMPLIFIER (VS = ±2.8 V) ADR821 ELECTRICAL CHARACTERISTICS—AMPLIFIER (VS = ±15 V) ADR827 ELECTRICAL CHARACTERISTICS—REFERENCE ADR827 ELECTRICAL CHARACTERISTICS—AMPLIFIER (VS = ±2.7 V) ADR827 ELECTRICAL CHARACTERISTICS—AMPLIFIER (VS = ±15 V) ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS REFERENCE AMPLIFIER APPLICATIONS INFORMATION +2.5 V AND −2.5 V OUTPUTS (ADR821) 2.5 V AND 5.0 V OUTPUTS (ADR821) MULTIPLE 2.5 V OUTPUTS (ADR821) OUTLINE DIMENSIONS ORDERING GUIDE