Datasheet AD623 (Analog Devices) - 5

link to page 6 link to page 6
AD623 AD623A AD623ARM AD623B Parameter Conditions Min Typ Max Min Typ Max Min Typ Max Unit
Nonlinearity G1 VOUT = −4.8 V to +3.5 V G > 1 VOUT = −4.8 V to +4.5 V G = 1 to 1000 50 50 50 ppm Gain vs. Temperature G = 1 5 10 5 10 5 10 ppm/°C G > 11 50 50 50 ppm/°C VOLTAGE OFFSET Total RTI error = VOSI + VOSO/G Input Offset, VOSI 25 200 200 500 25 100 μV Over Temperature 350 650 160 μV Average Tempco 0.1 2 0.1 2 0.1 1 μV/°C Output Offset, VOSO 200 1000 500 2000 200 500 μV Over Temperature 1500 2600 1100 μV Average Tempco 2.5 10 2.5 10 2.5 10 μV/°C Offset Referred to the Input vs. Supply (PSR) G = 1 80 100 80 100 80 100 dB G = 10 100 120 100 120 100 120 dB G = 100 120 140 120 140 120 140 dB G = 1000 120 140 120 140 120 140 dB INPUT CURRENT Input Bias Current 17 25 17 25 17 25 nA Over Temperature 27.5 27.5 27.5 nA Average Tempco 25 25 25 pA/°C Input Offset Current 0.25 2 0.25 2 0.25 2 nA Over Temperature 2.5 2.5 2.5 nA Average Tempco 5 5 5 pA/°C INPUT Input Impedance Differential 2||2 2||2 2||2 GΩ||pF Common-Mode 2||2 2||2 2||2 GΩ||pF Input Voltage Range2 VS = +2.5 V to (−VS) – (+VS) – (−VS) – (+VS) – (−VS) – (+VS) – V ±6 V 0.15 1.5 0.15 1.5 0.15 1.5 Common-Mode Rejection at 60 Hz with 1 kΩ Source Imbalance G = 1 VCM = +3.5 V to 70 80 70 80 77 86 dB −5.15 V G = 10 VCM = +3.5 V to 90 100 90 100 94 100 dB −5.15 V G = 100 VCM = +3.5 V to 105 110 105 110 105 110 dB −5.15 V G = 1000 VCM = +3.5 V to 105 110 105 110 105 110 dB −5.15 V OUTPUT Output Swing RL = 10 kΩ, (−VS) + (+VS) − (−VS) + (+VS) − (−VS) + (+VS) − V VS = ±5 V 0.2 0.5 0.2 0.5 0.2 0.5 RL = 100 kΩ (−VS) + (+VS) − (−VS) + (+VS) − (−VS) + (+VS) − V 0.05 0.15 0.05 0.15 0.05 0.15 Rev. D | Page 5 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION CONNECTION DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS SINGLE SUPPLY DUAL SUPPLIES BOTH DUAL AND SINGLE SUPPLIES ABSOLUTE MAXIMUM RATINGS ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION APPLICATIONS INFORMATION BASIC CONNECTION GAIN SELECTION REFERENCE TERMINAL INPUT AND OUTPUT OFFSET VOLTAGE 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 OUTLINE DIMENSIONS ORDERING GUIDE