Data SheetAD623SPECIFICATIONS COMMON TO DUAL AND SINGLE SUPPLIESTable 4.Test Conditions/AD623AAD623ARMAD623BParameterCommentsMinTypMax MinTypMax MinTypMax Unit NOISE Voltage Noise, 1 kHz Total RTI noise = (e )2 +( ni 2eno /G)2 Input, Voltage Noise, eni 35 35 35 nV/√Hz Output, Voltage Noise, eno 50 50 50 nV/√Hz RTI, 0.1 Hz to 10 Hz G = 1 3.0 3.0 3.0 µV p-p G = 1000 1.5 1.5 1.5 µV p-p Current Noise f = 1 kHz 100 100 100 fA/√Hz 0.1 Hz to 10 Hz 2.5 2.5 2.5 pA p-p REFERENCE INPUT RIN 100 ± 100 ± 100 ± kΩ 20% 20% 20% IIN VIN+, VREF = 0 V 50 60 50 60 50 60 µA Voltage Range −VS +VS −VS +VS −VS +VS V Gain to Output 1 ± 1 ± 1 ± V 0.0002 0.0002 0.0002 POWER SUPPLY Operating Range Dual supply ±2.5 ±6 ±2.5 ±6 ±2.5 ±6 V Single supply 2.7 12 2.7 12 2.7 12 V Quiescent Current Dual supply 375 550 375 550 375 550 µA Single supply 305 480 305 480 305 480 µA Over Temperature 625 625 625 µA TEMPERATURE RANGE For Specified Performance −40 +85 −40 +85 −40 +85 °C Rev. F | Page 7 of 26 Document Outline Features Applications General Description Functional Block Diagram Revision History Specifications Single Supply Dual Supplies Specifications Common to Dual and Single Supplies Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Applications Information Basic Connection Gain Selection Reference Terminal Input and Output Offset Voltage Error Input Protection RF Interference Grounding Ground Returns for Input Bias Currents Output Buffering Single-Supply Data Acquisition System Amplifying Signals with Low Common-Mode Voltage Input Differential and Common-Mode Range vs. Supply and Gain Additional Information Evaluation Board General Description Outline Dimensions Ordering Guide