Datasheet

AD8021
Rev. F | Page 5 of 28
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 V
O
= 50 mV p-p/1 V p-p 15/120 pF
DISABLE CHARACTERISTICS
Off Isolation f = 10 MHz −40 dB
Turn-On Time V
O
= 0 V to 2 V, 50% logic to 50% output 45 ns
Turn-Off Time V
O
= 0 V to 2 V, 50% logic to 50% output 50 ns
DISABLE Voltage—Off/On
V
DISABLE
− V
LOGIC 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 V
CC
= 11 V to 13 V, V
EE
= −12 V −86 −96 dB
−Power Supply Rejection Ratio V
CC
= 12 V, V
EE
= −13 V to −11 V −86 −100 dB
V
S
= 5 V, @ T
A
= 25°C, R
L
= 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, C
C
= 10 pF, V
O
= 0.05 V p-p 270 305 MHz
G = +2, C
C
= 7 pF, V
O
= 0.05 V p-p 155 190 MHz
G = +5, C
C
= 2 pF, V
O
= 0.05 V p-p 135 165 MHz
G = +10, C
C
= 0 pF, V
O
= 0.05 V p-p 95 130 MHz
Slew Rate, 1 V Step G = +1, C
C
= 10 pF 80 110 V/μs
G = +2, C
C
= 7 pF 110 140 V/μs
G = +5, C
C
= 2 pF 210 280 V/μs
G = +10, C
C
= 0 pF 290 390 V/μs
Settling Time to 0.01% V
O
= 1 V step, R
L
= 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 V
O
= 2 V p-p −84 dBc
HD3 V
O
= 2 V p-p −91 dBc
f = 5 MHz
HD2 V
O
= 2 V p-p −68 dBc
HD3 V
O
= 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