Datasheet AD8222 (Analog Devices) - 4

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AD8222 Data Sheet A Grade B Grade Parameter Test Conditions/Comments Min Typ Max Min Typ Max Unit
REFERENCE INPUT RIN 20 20 kΩ IIN V+IN, V−IN, VREF = 0 V 50 60 50 60 µA Voltage Range −VS +VS −VS +VS V Reference Gain to Output 1 1 V/V Reference Gain Error 0.01 0.01 % GAIN G = 1 + (49.4 kΩ/RG) Gain Range 1 10,000 1 10,000 V/V Gain Error VOUT ± 10 V G = 1 0.05 0.02 % G = 10 0.3 0.15 % G = 100 0.3 0.15 % G = 1000 0.3 0.15 % Gain Nonlinearity VOUT = –10 V to +10 V G = 1 3 10 1 5 ppm G = 10 7 20 7 20 ppm G = 100 7 20 7 20 ppm Gain vs. Temperature G = 1 3 10 2 5 ppm/°C G > 12 −50 −50 ppm/°C INPUT Input Impedance Differential 100||2 100||2 GΩ||pF Common Mode 100||2 100||2 GΩ||pF Input Operating Voltage Range3 VS = ±2.3 V to ±5 V −VS + 1.9 +VS − 1.1 −VS + 1.9 +VS − 1.1 V Over Temperature TA = −40°C to +85°C −VS + 2.0 +VS − 1.2 −VS + 2.0 +VS − 1.2 V Input Operating Voltage Range3 VS = ±5 V to ±18 V −VS + 1.9 +VS − 1.2 −VS + 1.9 +VS − 1.2 V Over Temperature TA = −40°C to +85°C −VS + 2.0 +VS − 1.2 −VS + 2.0 +VS − 1.2 V OUTPUT RL = 10 kΩ Output Swing VS = ±2.3 V to ±5 V −VS + 1.1 +VS − 1.2 −VS + 1.1 +VS − 1.2 V Over Temperature TA = −40°C to +85°C −VS + 1.4 +VS − 1.3 −VS + 1.4 +VS − 1.3 V Output Swing VS = ±5 V to ±18 V −VS + 1.2 +VS − 1.4 −VS + 1.2 +VS − 1.4 V Over Temperature TA = −40°C to +85°C −VS + 1.6 +VS − 1.5 −VS + 1.6 +VS − 1.5 V Short-Circuit Current 18 18 mA POWER SUPPLY Operating Range VS = ±2.3 V to ±18 V ±2.3 ±18 ±2.3 ±18 V Quiescent Current (per Amplifier) 0.9 1.1 0.9 1.1 mA Over Temperature TA = −40°C to +85°C 1 1.2 1 1.2 mA TEMPERATURE RANGE Specified Performance −40 +85 −40 +85 °C Operational4 −40 +125 −40 +125 °C 1 Refers to differential configuration shown in Figure 50. 2 Does not include the effects of external resistor, RG. 3 One input grounded. G = 1. 4 See the Typical Performance Characteristics section for expected operation between 85°C and 125°C. Rev. B | Page 4 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE Maximum Power Dissipation ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION AMPLIFIER ARCHITECTURE GAIN SELECTION REFERENCE TERMINAL PACKAGE CONSIDERATIONS Package Without Thermal Pad Package with Thermal Pad LAYOUT Common-Mode Rejection Over Frequency Reference Power Supplies INPUT BIAS CURRENT RETURN PATH INPUT PROTECTION Input Voltages Beyond the Rails Differential Input Voltages at High Gains RF INTERFERENCE COMMON-MODE INPUT VOLTAGE RANGE APPLICATIONS INFORMATION DIFFERENTIAL OUTPUT Setting the Common-Mode Voltage 2-Channel Differential Output Using a Dual Op Amp DRIVING A DIFFERENTIAL INPUT ADC RFI and Antialiasing Filter Second Antialiasing Filter Reference PRECISION STRAIN GAGE DRIVING CABLING OUTLINE DIMENSIONS ORDERING GUIDE