Datasheet AD8221 (Analog Devices) - 3

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Enhanced Product AD8221-EP SPECIFICATIONS
VS = ±15 V, VREF = 0 V, TA = 25°C, G = 1, RL = 2 kΩ, unless otherwise noted.
Table 1. Parameter Test Conditions/Comments Min Typ Max Unit
COMMON-MODE REJECTION RATIO (CMRR) CMRR DC to 60 Hz with 1 kΩ Source Imbalance VCM = −10 V to +10 V G = 1 80 dB G = 10 100 dB G = 100 120 dB G = 1000 130 dB CMRR at 10 kHz VCM = –10 V to +10 V G = 1 80 dB G = 10 90 dB G = 100 100 dB G = 1000 100 dB NOISE RTI noise = √e 2 NI + (eNO/G)2 Voltage Noise, 1 kHz Input Voltage Noise, eNI VIN+, VIN−, VREF = 0 8 nV/√Hz Output Voltage Noise, eNO 75 nV/√Hz Referred to Input (RTI) f = 0.1 Hz to 10 Hz G = 1 2 μV p-p G = 10 0.5 μV p-p G = 100 to 1000 0.25 μV p-p Current Noise f = 1 kHz 40 fA/√Hz f = 0.1 Hz to 10 Hz 6 pA p-p VOLTAGE OFFSET1 Input Offset, VOSI VS = ±5 V to ±15 V 70 μV Over Temperature TA = −55°C to +125°C 150 μV Average Temperature Coefficient (TC) 0.9 μV/°C Output Offset, VOSO VS = ±5 V to ±15 V 600 μV Over Temperature TA = −55°C to +125°C 1.2 mV Average TC 9 μV/°C Offset RTI vs. Supply (PSR) VS = ±2.3 V to ±18 V G = 1 90 100 dB G = 10 100 120 dB G = 100 120 140 dB G = 1000 120 140 dB INPUT CURRENT Input Bias Current 0.5 2 nA Over Temperature TA = −55°C to +125°C 3.75 nA Average TC 11 pA/°C Input Offset Current 0.3 1 nA Over Temperature TA = −55°C to +125°C 2.25 nA Average TC 7 pA/°C REFERENCE INPUT RIN 20 kΩ IIN VIN+, VIN−, VREF = 0 50 60 μA Voltage Range −VS +VS V Gain to Output 1 ± 0.0001 V/V Rev. 0 | Page 3 of 14 Document Outline FEATURES ENHANCED PRODUCT FEATURES APPLICATIONS TYPICAL CONNECTION DIAGRAM GENERAL DESCRIPTION TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL CHARACTERISTICS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS OUTLINE DIMENSIONS ORDERING GUIDE