AD8021
Rev. F | Page 3 of 28
SPECIFICATIONS
VS = ±5 V, @ TA = 25°C, RL = 1 kΩ, gain = +2, unless otherwise noted.
Table 1.
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
355
490
MHz
G = +2, CC = 7 pF, VO = 0.05 V p-p
160
205
MHz
G = +5, CC = 2 pF, VO = 0.05 V p-p
150
185
MHz
G = +10, CC = 0 pF, VO = 0.05 V p-p
110
150
MHz
Slew Rate, 1 V Step
G = +1, CC = 10 pF
95
120
V/μs
G = +2, CC = 7 pF
120
150
V/μs
G = +5, CC = 2 pF
250
300
V/μs
G = +10, CC = 0 pF
380
420
V/μs
Settling Time to 0.01%
VO = 1 V step, RL = 500 Ω
23
ns
Overload Recovery (50%)
±2.5 V input step, G = +2
50
ns
DISTORTION/NOISE PERFORMANCE
f = 1 MHz
HD2
VO = 2 V p-p
93
dBc
HD3
VO = 2 V p-p
108
dBc
f = 5 MHz
HD2
VO = 2 V p-p
70
dBc
HD3
VO = 2 V p-p
80
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, RL = 150 Ω
0.03
%
Differential Phase Error
NTSC, RL = 150 Ω
0.04
Degrees
DC PERFORMANCE
Input Offset Voltage
0.4
1.0
mV
Input Offset Voltage Drift
TMIN to TMAX
0.5
μV/°C
Input Bias Current
+Input or input
7.5
10.5
μA
Input Bias Current Drift
10
nA/°C
Input Offset Current
0.1
0.5
±μA
Open-Loop Gain
82
86
dB
INPUT CHARACTERISTICS
Input Resistance
10
MΩ
Common-Mode Input Capacitance
1
pF
Input Common-Mode Voltage Range
4.1 to +4.6
V
Common-Mode Rejection Ratio
VCM = ±4 V
86
98
dB
OUTPUT CHARACTERISTICS
Output Voltage Swing
3.5 to +3.2
3.8 to +3.4
V
Linear Output Current
60
mA
Short-Circuit Current
75
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
1.75/1.90
V
Enabled Leakage Current
LOGIC REFERENCE = 0.4 V
70
μA
DISABLE = 4.0 V
2
μA