Datasheet AD620 (Analog Devices) - 4

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AD620 AD620A AD620B AD620S1 Parameter Conditions Min Typ Max Min Typ Max Min Typ Max Unit
Common-Mode Rejection Ratio DC to 60 Hz with 1 kΩ Source Imbalance VCM = 0 V to ± 10 V G = 1 73 90 80 90 73 90 dB G = 10 93 110 100 110 93 110 dB G = 100 110 130 120 130 110 130 dB G = 1000 110 130 120 130 110 130 dB OUTPUT Output Swing RL = 10 kΩ VS = ±2.3 V −VS + +VS − 1.2 −VS + 1.1 +VS − 1.2 −VS + 1.1 +VS − 1.2 V to ± 5 V 1.1 Overtemperature −VS + 1.4 +VS − 1.3 −VS + 1.4 +VS − 1.3 −VS + 1.6 +VS − 1.3 V VS = ±5 V −VS + 1.2 +VS − 1.4 −VS + 1.2 +VS − 1.4 −VS + 1.2 +VS − 1.4 V to ± 18 V Overtemperature −VS + 1.6 +VS – 1.5 −VS + 1.6 +VS – 1.5 –VS + 2.3 +VS – 1.5 V Short Circuit Current ±18 ±18 ±18 mA DYNAMIC RESPONSE Small Signal –3 dB Bandwidth G = 1 1000 1000 1000 kHz G = 10 800 800 800 kHz G = 100 120 120 120 kHz G = 1000 12 12 12 kHz Slew Rate 0.75 1.2 0.75 1.2 0.75 1.2 V/μs Settling Time to 0.01% 10 V Step G = 1–100 15 15 15 μs G = 1000 150 150 150 μs NOISE Voltage Noise, 1 kHz 2 2 Total RTI Noise = (e + ni ) (e /G) no Input, Voltage Noise, eni 9 13 9 13 9 13 nV/√Hz Output, Voltage Noise, eno 72 100 72 100 72 100 nV/√Hz RTI, 0.1 Hz to 10 Hz G = 1 3.0 3.0 6.0 3.0 6.0 μV p-p G = 10 0.55 0.55 0.8 0.55 0.8 μV p-p G = 100–1000 0.28 0.28 0.4 0.28 0.4 μV p-p Current Noise f = 1 kHz 100 100 100 fA/√Hz 0.1 Hz to 10 Hz 10 10 10 pA p-p REFERENCE INPUT RIN 20 20 20 kΩ IIN VIN+, VREF = 0 50 60 50 60 50 60 μA Voltage Range −VS + 1.6 +VS − 1.6 −VS + 1.6 +VS − 1.6 −VS + 1.6 +VS − 1.6 V Gain to Output 1 ± 0.0001 1 ± 0.0001 1 ± 0.0001 POWER SUPPLY Operating Range4 ±2.3 ±18 ±2.3 ±18 ±2.3 ±18 V Quiescent Current VS = ±2.3 V 0.9 1.3 0.9 1.3 0.9 1.3 mA to ±18 V Overtemperature 1.1 1.6 1.1 1.6 1.1 1.6 mA TEMPERATURE RANGE For Specified Performance −40 to +85 −40 to +85 −55 to +125 °C 1 See Analog Devices military data sheet for 883B tested specifications. 2 Does not include effects of external resistor RG. 3 One input grounded. G = 1. 4 This is defined as the same supply range that is used to specify PSR. Rev. H | Page 4 of 20 Document Outline SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION Make vs. Buy: a Typical Bridge Application Error Budget Pressure Measurement Medical ECG Precision V-I Converter GAIN SELECTION INPUT AND OUTPUT OFFSET VOLTAGE REFERENCE TERMINAL INPUT PROTECTION RF INTERFERENCE COMMON-MODE REJECTION GROUNDING GROUND RETURNS FOR INPUT BIAS CURRENTS AD620ACHIPS INFORMATION OUTLINE DIMENSIONS ORDERING GUIDE