Datasheet AD8236 (Analog Devices) - 4

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AD8236 Parameter Test Conditions Min Typ Max Unit
GAIN Gain Range G = 5 + 420 kΩ/RG 5 2001 V/V Gain Error VS = ±2.5 V, VREF = 0 V, VOUT = −2 V to +2 V G = 5 0.005 0.05 % G = 10 0.03 0.2 % G = 100 0.06 0.2 % G = 200 0.15 0.3 % Nonlinearity RL = 10 kΩ or 100 kΩ G = 5 2 10 ppm G = 10 1.2 10 ppm G = 100 0.5 10 ppm G = 200 0.5 10 ppm Gain vs. Temperature −40°C to +125°C G = 5 0.25 1 ppm/°C G > 10 −50 ppm/°C INPUT Differential Impedance 440||1.6 GΩ||pF Common-Mode Impedance 110||6.2 GΩ||pF Input Voltage Range −40°C to +125°C 0 +VS V OUTPUT Output Voltage High, VOH RL = 100 kΩ 4.98 4.99 V −40°C to +125°C 4.98 V RL = 10 kΩ 4.9 4.95 V −40°C to +125°C 4.9 V Output Voltage Low, VOL RL = 100 kΩ 2 5 mV −40°C to +125°C 5 mV RL = 10 kΩ 10 25 mV −40°C to +125°C 30 mV Short-Circuit Limit, ISC ±55 mA REFERENCE INPUT RIN −IN, +IN = 0 V 210 kΩ IIN 20 nA Voltage Range −VS +VS V Gain to Output 1 V/V POWER SUPPLY Operating Range 1.8 5.5 V Quiescent Current 30 40 μA Overtemperature −40°C to +125°C 50 μA TEMPERATURE RANGE For Specified Performance −40 +125 °C 1 Although the specifications of the AD8236 list only low to midrange gains, gains can be set beyond 200. Rev. 0 | Page 4 of 20 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION CONNECTION DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS MAXIMUM POWER DISSIPATION ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION BASIC OPERATION GAIN SELECTION LAYOUT Grounding REFERENCE TERMINAL POWER SUPPLY REGULATION AND BYPASSING INPUT BIAS CURRENT RETURN PATH INPUT PROTECTION RF INTERFERENCE COMMON-MODE INPUT VOLTAGE RANGE APPLICATIONS INFORMATION AC-COUPLED INSTRUMENTATION AMPLIFIER LOW POWER HEART RATE MONITOR OUTLINE DIMENSIONS ORDERING GUIDE