AD8021
–50
–60
SECOND
–70
POSITIVE OUTPUT VOLTAGE – V
3.5
3.4
POSITIVE OUTPUT
3.3
3.2
3.1
3.0
2.9
THIRD
–3.1
–3.2
–3.3
–3.4
–3.5
–3.6
–3.7
–3.8
2000
NEGATIVE OUTPUT VOLTAGE – V
DISTORTION – dBc
f
C
= 5MHz
–80
THIRD
–90
–100
–110
–120
1
2
3
4
V
OUT
– V p-p
5
6
SECOND
f
C
= 1MHz
NEGATIVE OUTPUT
2.8
0
400
800
1200
LOAD –
1600
TPC 19. Second and Third Harmonic Distortion
vs. V
OUT
and Fundamental Frequency (f
C
), G = +2
TPC 22. DC Output Voltage vs. Load. See Test
Circuit 1.
–40
–50
120
f
C
= 5MHz
–60
DISTORTION – dBc
SECOND
SHORT-CIRCUIT CURRENT – mA
100
V
S
=
12
80
V
S
=
5.0
–70
THIRD
–80
SECOND
–90
–100
–110
1
2
3
4
V
OUT
– V p-p
5
6
THIRD
60
V
S
=
40
2.5
f
C
= 1MHz
20
0
–50
–30
–10
10
30
50
TEMPERATURE – C
70
90
110
TPC 20. Second and Third Harmonic Distortion
vs. V
OUT
and Fundamental Frequency (f
C
), G = +10
TPC 23. Short-Circuit Current to Ground vs.
Temperature
–70
50
f
C
= 1MHz
R
L
= 1k
–80
DISTORTION – dBc
G=2
40
30
20
R
L
= 1k , 150
SECOND
V
OUT
– mV
–90
10
–100
–10
–20
THIRD
–110
–30
–40
–120
0
200
400
600
FEEDBACK RESISTANCE –
800
1000
–50
0
40
80
120
TIME – ns
160
200
TPC 21. Second and Third Harmonic Distortion
vs. Feedback Resistor (R
F
)
TPC 24. Small Signal Transient Response vs. R
L
,
V
O
= 50 mV p-p. See Test Circuit 2, Noninverting.
REV. D
–9–
AD [ ANALOG DEVICES ]
