Datasheet AD8422 (Analog Devices) - 7

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Data Sheet AD8422 Test Conditions/ AD8422ARMZ AD8422BRMZ Parameter Comments Min Typ Max Min Typ Max Unit
INPUT Input Impedance Differential 200||2 200||2 GΩ||pF Common Mode 200||2 200||2 GΩ||pF Input Operating Voltage Range4 VS = ±2.3 V to ±18 V −VS + 1.2 +VS − 1.2 −VS + 1.2 +VS − 1.2 V Over Temperature T = −40°C to +85°C −VS + 1.2 +VS − 1.3 −VS + 1.2 +VS − 1.3 V OUTPUT Output Swing, RL = 10 kΩ VS = ±15 V −VS + 0.2 +VS − 0.2 −VS + 0.2 +VS − 0.2 V Over Temperature T = −40°C to +85°C −VS + 0.25 +VS − 0.25 −VS + 0.25 +VS − 0.25 V Output Swing, RL = 10 kΩ VS = ±2.3 V −VS + 0.12 +VS − 0.12 −VS + 0.12 +VS − 0.12 V Over Temperature T = −40°C to +85°C −VS + 0.13 +VS − 0.13 −VS + 0.13 +VS − 0.13 V Output Swing, RL = 2 kΩ VS = ±15 V −VS + 0.25 +VS − 0.25 −VS + 0.25 +VS − 0.25 V Over Temperature5 T = −40°C to +85°C −VS + 0.3 +VS – 1.4 −VS + 0.3 +VS – 1.4 V Output Swing, RL = 2 kΩ VS = ±2.3 V −VS + 0.16 +VS − 0.16 −VS + 0.16 +VS − 0.16 V Over Temperature T = −40°C to +85°C −VS + 0.2 +VS − 0.2 −VS + 0.2 +VS − 0.2 V Short-Circuit Current 20 20 mA POWER SUPPLY Operating Range Dual-supply operation ±2.3 ±18 ±2.3 ±18 V Single-supply operation 4.6 36 4.6 36 V Quiescent Current 300 330 300 330 µA Over Temperature T = −40°C to +85°C 400 400 µA TEMPERATURE RANGE Specified Performance –40 +85 –40 +85 °C Operating Range6 –40 +125 –40 +125 °C 1 Total RTI Noise = √e 2 NI + (eNO/G)2 2 Total RTI VOS = (VOSI) + (VOSO/G). 3 Gain does not include the effects of the external resistor, RG. 4 One input grounded. G = 1. 5 Output current limited at cold temperatures. See Figure 33. 6 See Typical Performance Characteristics for expected operation between 85°C and 125°C. Rev. A | Page 7 of 24 Document Outline FEATURES APPLICATIONS CONNECTION DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS SOIC PACKAGE MSOP PACKAGE ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION ARCHITECTURE GAIN SELECTION RG Power Dissipation REFERENCE TERMINAL INPUT VOLTAGE RANGE LAYOUT Common-Mode Rejection Ratio over Frequency Power Supplies and Grounding Reference Pin INPUT BIAS CURRENT RETURN PATH INPUT VOLTAGES BEYOND THE SUPPLY RAILS Input Voltages Beyond the Maximum Ratings RADIO FREQUENCY INTERFERENCE (RFI) APPLICATIONS INFORMATION PRECISION BRIDGE CONDITIONING PROCESS CONTROL ANALOG INPUT OUTLINE DIMENSIONS ORDERING GUIDE