link to page 4 link to page 4 link to page 4 link to page 11 link to page 12 link to page 14 AD8223AD8223AAD8223BParameterConditionsMinTypMaxMinTypMaxUnit Settling Time to 0.01% Step size = 3.5 V G = 5 18 18 μs G = 10 18 18 μs G = 100 18 18 μs G = 1000 85 85 μs GAIN G = 5 + (80 kΩ/RG) Gain Range 5 1000 5 1000 V/V Gain Error1 VOUT = 0.05 V to 4.5 V G = 5 0.07 0.02 % G = 10 0.10 0.3 0.10 0.2 % G = 100 0.10 0.3 0.10 0.3 % G = 1000 0.10 0.3 0.10 0.3 % Nonlinearity VOUT = 0.05 V to 4.5 V G = 5 12 12 ppm G = 1000 200 200 ppm Gain vs. Temperature TA = −40°C to +85°C G = 5 10 2 ppm/°C G > 51 50 50 ppm/°C INPUT Input Impedance Differential 2||2 2||2 GΩ||pF Common-Mode 2||2 2||2 GΩ||pF Common-Mode Input Voltage VIN+ = VIN− (−VS) − (+VS) − (−VS) − (+VS) − V Range2 0.15 1.5 0.15 1.5 OUTPUT Output Swing RL = 10 kΩ to ground +0.01 (+VS) − +0.01 (+VS) − V 0.5 0.5 RL = 100 kΩ to ground +0.01 (+VS) − +0.01 (+VS) − V 0.15 0.15 REFERENCE INPUT RIN 60 ±20% 60 ±20% kΩ IIN VIN+ = VIN− = VREF = 0 V +10 +20 +10 +20 μA Voltage Range −VS +VS −VS +VS V Gain to Output 1 ± 1 ± V 0.0002 0.0002 POWER SUPPLY Operating Range +3 +24 +3 +24 V Quiescent Current 350 500 350 500 μA Over Temperature TA = −40°C to +85°C 600 600 μA TEMPERATURE RANGE For Specified Performance -40 +85 −40 +85 °C 1 Does not include effects of external resistor, RG. 2 Total input range depends on common-mode voltage, differential voltage, and gain. See Figure 18 through Figure 21, and the Input Voltage Range section in the Theory of Operation section for more information. Rev. 0 | Page 4 of 20 Document Outline FEATURES APPLICATIONS CONNECTION DIAGRAM GENERAL DESCRIPTION REVISION HISTORY SPECIFICATIONS SINGLE SUPPLY DUAL SUPPLY ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION AMPLIFIER ARCHITECTURE GAIN SELECTION INPUT VOLTAGE RANGE REFERENCE TERMINAL INPUT PROTECTION RF INTERFERENCE (RFI) GROUND RETURNS FOR INPUT BIAS CURRENTS APPLICATIONS INFORMATION BASIC CONNECTION DIFFERENTIAL OUTPUT OUTPUT BUFFERING CABLES Receiving from a Cable Driving a Cable A SINGLE-SUPPLY DATA ACQUISITION SYSTEM AMPLIFYING SIGNALS WITH LOW COMMON-MODE VOLTAGE OUTLINE DIMENSIONS ORDERING GUIDE