Datasheet

AD8021
Rev. F | Page 4 of 28
AD8021AR/AD8021ARM
Parameter Conditions
Min Typ Max Unit
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 7.0 7.7 mA
Output disabled 1.3 1.6 mA
+Power Supply Rejection Ratio
V
CC
= 4 V to 6 V, V
EE
= −5 V −86 −95 dB
−Power Supply Rejection Ratio
V
CC
= 5 V, V
EE
= −6 V to −4 V −86 −95 dB
V
S
= ±12 V, @ T
A
= 25°C, R
L
= 1 kΩ, gain = +2, unless otherwise noted.
Table 2.
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 520 560 MHz
G = +2, C
C
= 7 pF, V
O
= 0.05 V p-p 175 220 MHz
G = +5, C
C
= 2 pF, V
O
= 0.05 V p-p 170 200 MHz
G = +10, C
C
= 0 pF, V
O
= 0.05 V p-p 125 165 MHz
Slew Rate, 1 V Step G = +1, C
C
= 10 pF 105 130 V/μs
G = +2, C
C
= 7 pF 140 170 V/μs
G = +5, C
C
= 2 pF 265 340 V/μs
G = +10, C
C
= 0 pF 400 460 V/μs
Settling Time to 0.01% V
O
= 1 V step, R
L
= 500 Ω 21 ns
Overload Recovery (50%) ±6 V input step, G = +2 90 ns
DISTORTION/NOISE PERFORMANCE
f = 1 MHz
HD2 V
O
= 2 V p-p −95 dBc
HD3 V
O
= 2 V p-p −116 dBc
f = 5 MHz
HD2 V
O
= 2 V p-p −71 dBc
HD3 V
O
= 2 V p-p −83 dBc
Input Voltage Noise f = 50 kHz 2.1 2.6 nV/√Hz
Input Current Noise f = 50 kHz 2.1 pA/√Hz
Differential Gain Error NTSC, R
L
= 150 Ω 0.03 %
Differential Phase Error NTSC, R
L
= 150 Ω 0.04 Degrees
DC PERFORMANCE
Input Offset Voltage 0.4 1.0 mV
Input Offset Voltage Drift T
MIN
to T
MAX
0.2 μV/°C
Input Bias Current +Input or −input 8 11.3 μA
Input Bias Current Drift 10 nA/°C
Input Offset Current 0.1 0.5 ±μA
Open-Loop Gain 84 88 dB
INPUT CHARACTERISTICS
Input Resistance 10 MΩ
Common-Mode Input Capacitance 1 pF
Input Common-Mode Voltage Range −11.1 to +11.6 V
Common-Mode Rejection Ratio V
CM
= ±10 V −86 −96 dB