
REV. D
–2–
AD8021–SPECIFICATIONS
(@ T
A
= 25 C, V
S
= 5 V, R
L
= 1 k , Gain = +2, unless otherwise noted.)
V
S
= 5 V
AD8021AR/AD8021ARM
Typ
Parameter
Conditions
Min
Max
Unit
DYNAMIC PERFORMANCE
–3 dB Small Signal Bandwidth
G = +1, C
C
= 10 pF, V
O
= 0.05 V p-p
G = +2, C
C
= 7 pF, V
O
= 0.05 V p-p
G = +5, C
C
= 2 pF, V
O
= 0.05 V p-p
G = +10, C
C
= 0 pF, V
O
= 0.05 V p-p
G = +1, C
C
= 10 pF
G = +2, C
C
= 7 pF
G = +5, C
C
= 2 pF
G = +10, C
C
= 0 pF
V
O
= 1 V Step, R
L
= 500
±
2.5 V Input Step, G = +2
355
160
150
110
95
120
250
380
490
205
185
150
120
150
300
420
23
50
MHz
MHz
MHz
MHz
V/
μ
s
V/
μ
s
V/
μ
s
V/
μ
s
ns
ns
Slew Rate, 1 V Step
Settling Time to 0.01%
Overload Recovery (50%)
DISTORTION/NOISE PERFORMANCE
f = 1 MHz
HD2
HD3
f = 5 MHz
HD2
HD3
Input Voltage Noise
Input Current Noise
Differential Gain Error
Differential Phase Error
V
O
= 2 V p-p
V
O
= 2 V p-p
–93
–108
dBc
dBc
V
O
= 2 V p-p
V
O
= 2 V p-p
f = 50 kHz
f = 50 kHz
NTSC, R
L
= 150
NTSC, R
L
= 150
–70
–80
2.1
2.1
0.03
0.04
dBc
dBc
nV/
√
Hz
pA/
√
Hz
%
Degrees
2.6
DC PERFORMANCE
Input Offset Voltage
Input Offset Voltage Drift
Input Bias Current
Input Bias Current Drift
Input Offset Current
Open-Loop Gain
0.4
0.5
7.5
10
0.1
86
1.0
mV
μ
V/
°
C
μ
A
nA/
°
C
±μ
A
dB
T
MIN
to T
MAX
+Input or –Input
10.5
0.5
82
INPUT CHARACTERISTICS
Input Resistance
Common-Mode Input Capacitance
Input Common-Mode Voltage Range
Common-Mode Rejection Ratio
10
1
–4.1 to +4.6
–98
M
pF
V
dB
V
CM
=
±
4 V
–86
OUTPUT CHARACTERISTICS
Output Voltage Swing
Linear Output Current
Short-Circuit Current
Capacitive Load Drive for 30% Overshoot
–3.5 to +3.2
–3.8 to +3.4
60
75
15/120
V
mA
mA
pF
V
O
= 50 mV p-p/1 V p-p
DISABLE CHARACTERISTICS
Off Isolation
Turn-On Time
Turn-Off Time
DISABLE
Voltage—Off/On
Enabled Leakage Current
f = 10 MHz
V
O
= 0 V to 2 V, 50% Logic to 50% Output
V
O
= 0 V to 2 V, 50% Logic to 50% Output
V
DISABLE
– V
LOGIC REFERENCE
Logic Ref = 0.4 V
DISABLE
= 4.0 V
Logic Ref = 0.4 V
DISABLE
= 0.4 V
–40
45
50
1.75/1.90
70
2
30
33
dB
ns
ns
V
μ
A
μ
A
μ
A
μ
A
Disabled Leakage Current
POWER SUPPLY
Operating Range
Quiescent Current
±
2.25
±
5
7.0
1.3
–95
–95
±
12.0
7.7
1.6
V
mA
mA
dB
dB
Output Enabled
Output Disabled
V
CC
= +4 V to +6 V, V
EE
= –5 V
V
CC
= +5 V, V
EE
= –6 V to –4 V
+Power Supply Rejection Ratio
–Power Supply Rejection Ratio
–86
–86
Specifications subject to change without notice.