AD8021AD8021AR/AD8021ARMParameterConditionsMinTypMaxUnit DC PERFORMANCE Input Offset Voltage 0.4 1.0 mV Input Offset Voltage Drift TMIN to TMAX 0.8 μV/°C Input Bias Current +Input or −input 7.5 10.3 μA Input Bias Current Drift 10 nA/°C Input Offset Current 0.1 0.5 ±μA Open-Loop Gain 72 76 dB INPUT CHARACTERISTICS Input Resistance 10 MΩ Common-Mode Input Capacitance 1 pF Input Common-Mode Voltage Range 0.9 to 4.6 V Common-Mode Rejection Ratio 1.5 V to 3.5 V −84 −98 dB OUTPUT CHARACTERISTICS Output Voltage Swing 1.25 to 3.38 1.10 to 3.60 V Linear Output Current 30 mA Short-Circuit Current 50 mA Capacitive Load Drive for 30% Overshoot VO = 50 mV p-p/1 V p-p 10/120 pF DISABLE CHARACTERISTICS Off Isolation f = 10 MHz −40 dB Turn-On Time VO = 0 V to 1 V, 50% logic to 50% output 45 ns Turn-Off Time VO = 0 V to 1 V, 50% logic to 50% output 50 ns DISABLE Voltage—Off/On VDISABLE − VLOGIC REFERENCE 1.55/1.70 V Enabled Leakage Current LOGIC REFERENCE = 0.4 V 70 μA DISABLE = 4.0 V 2 μA Disabled Leakage Current LOGIC REFERENCE = 0.4 V 30 μA DISABLE = 0.4 V 33 μA POWER SUPPLY Operating Range ±2.25 ±5 ±12.0 V Quiescent Current Output enabled 6.7 7.5 mA Output disabled 1.2 1.5 mA +Power Supply Rejection Ratio VCC = 4.5 V to 5.5 V, VEE = 0 V −74 −82 dB −Power Supply Rejection Ratio VCC = 5 V, VEE = −0.5 V to +0.5 V −76 −84 dB Rev. F | Page 6 of 28 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 TEST CIRCUITS APPLICATIONS USING THE DISABLE FEATURE THEORY OF OPERATION PCB LAYOUT CONSIDERATIONS DRIVING 16-BIT ADCs DIFFERENTIAL DRIVER USING THE AD8021 IN ACTIVE FILTERS DRIVING CAPACITIVE LOADS OUTLINE DIMENSIONS ORDERING GUIDE
