Datasheet AD8021 (Analog Devices) - 7
| Fabricante | Analog Devices |
| Descripción | Low Noise, High Speed Amplifier for 16-Bit Systems |
| Páginas / Página | 30 / 7 — AD8021. AD8021AR/AD8021ARM. Parameter Conditions. Min. Typ. Max. Unit. … |
| Revisión | F |
| Formato / tamaño de archivo | PDF / 466 Kb |
| Idioma del documento | Inglés |
AD8021. AD8021AR/AD8021ARM. Parameter Conditions. Min. Typ. Max. Unit. Table 3. Parameter. Conditions
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AD8021
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AD8021 AD8021AR/AD8021ARM Parameter Conditions Min Typ Max Unit
OUTPUT CHARACTERISTICS Output Voltage Swing −10.2 to +9.8 −10.6 to +10.2 V Linear Output Current 70 mA Short-Circuit Current 115 mA Capacitive Load Drive for 30% Overshoot VO = 50 mV p-p/1 V p-p 15/120 pF DISABLE CHARACTERISTICS Off Isolation f = 10 MHz −40 dB Turn-On Time VO = 0 V to 2 V, 50% logic to 50% output 45 ns Turn-Off Time VO = 0 V to 2 V, 50% logic to 50% output 50 ns DISABLE Voltage—Off/On VDISABLE − VLOGIC REFERENCE 1.80/1.95 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 7.8 8.6 mA Output disabled 1.7 2.0 mA +Power Supply Rejection Ratio VCC = 11 V to 13 V, VEE = −12 V −86 −96 dB −Power Supply Rejection Ratio VCC = 12 V, VEE = −13 V to −11 V −86 −100 dB VS = 5 V, @ TA = 25°C, RL = 1 kΩ, gain = +2, unless otherwise noted.
Table 3. AD8021AR/AD8021ARM Parameter Conditions Min Typ Max Unit
DYNAMIC PERFORMANCE −3 dB Small Signal Bandwidth G = +1, CC = 10 pF, VO = 0.05 V p-p 270 305 MHz G = +2, CC = 7 pF, VO = 0.05 V p-p 155 190 MHz G = +5, CC = 2 pF, VO = 0.05 V p-p 135 165 MHz G = +10, CC = 0 pF, VO = 0.05 V p-p 95 130 MHz Slew Rate, 1 V Step G = +1, CC = 10 pF 80 110 V/μs G = +2, CC = 7 pF 110 140 V/μs G = +5, CC = 2 pF 210 280 V/μs G = +10, CC = 0 pF 290 390 V/μs Settling Time to 0.01% VO = 1 V step, RL = 500 Ω 28 ns Overload Recovery (50%) 0 V to 2.5 V input step, G = +2 40 ns DISTORTION/NOISE PERFORMANCE f = 1 MHz HD2 VO = 2 V p-p −84 dBc HD3 VO = 2 V p-p −91 dBc f = 5 MHz HD2 VO = 2 V p-p −68 dBc HD3 VO = 2 V p-p −81 dBc Input Voltage Noise f = 50 kHz 2.1 2.6 nV/√Hz Input Current Noise f = 50 kHz 2.1 pA/√Hz Rev. F | Page 5 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
OUTPUT CHARACTERISTICS Output Voltage Swing −10.2 to +9.8 −10.6 to +10.2 V Linear Output Current 70 mA Short-Circuit Current 115 mA Capacitive Load Drive for 30% Overshoot VO = 50 mV p-p/1 V p-p 15/120 pF DISABLE CHARACTERISTICS Off Isolation f = 10 MHz −40 dB Turn-On Time VO = 0 V to 2 V, 50% logic to 50% output 45 ns Turn-Off Time VO = 0 V to 2 V, 50% logic to 50% output 50 ns DISABLE Voltage—Off/On VDISABLE − VLOGIC REFERENCE 1.80/1.95 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 7.8 8.6 mA Output disabled 1.7 2.0 mA +Power Supply Rejection Ratio VCC = 11 V to 13 V, VEE = −12 V −86 −96 dB −Power Supply Rejection Ratio VCC = 12 V, VEE = −13 V to −11 V −86 −100 dB VS = 5 V, @ TA = 25°C, RL = 1 kΩ, gain = +2, unless otherwise noted.
Table 3. AD8021AR/AD8021ARM Parameter Conditions Min Typ Max Unit
DYNAMIC PERFORMANCE −3 dB Small Signal Bandwidth G = +1, CC = 10 pF, VO = 0.05 V p-p 270 305 MHz G = +2, CC = 7 pF, VO = 0.05 V p-p 155 190 MHz G = +5, CC = 2 pF, VO = 0.05 V p-p 135 165 MHz G = +10, CC = 0 pF, VO = 0.05 V p-p 95 130 MHz Slew Rate, 1 V Step G = +1, CC = 10 pF 80 110 V/μs G = +2, CC = 7 pF 110 140 V/μs G = +5, CC = 2 pF 210 280 V/μs G = +10, CC = 0 pF 290 390 V/μs Settling Time to 0.01% VO = 1 V step, RL = 500 Ω 28 ns Overload Recovery (50%) 0 V to 2.5 V input step, G = +2 40 ns DISTORTION/NOISE PERFORMANCE f = 1 MHz HD2 VO = 2 V p-p −84 dBc HD3 VO = 2 V p-p −91 dBc f = 5 MHz HD2 VO = 2 V p-p −68 dBc HD3 VO = 2 V p-p −81 dBc Input Voltage Noise f = 50 kHz 2.1 2.6 nV/√Hz Input Current Noise f = 50 kHz 2.1 pA/√Hz Rev. F | Page 5 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