AD8072/AD8073
0
–10
–20
SOIC PACKAGE
DRIVE AMP 2
RECEIVE AMPS 1, 3 AD8073
RECEIVE AMP 1 AD8072
V
S
= 5V, 5V
R
F
= 1k , R
L
= 150
A
V
= 2
V
IN
= 1V p-p
AMP 2 OUTPUT
1M
0
–20
100k
OHMS ( )
–40
DEGREES
–60
–80
DEGREES
CROSSTALK – dB
–30
–40
–50
–60
–70
–80
–90
0.1
0.1
10k
T
Z
–
–100
1k
–120
100
–140
–160
10
1k
–180
10k
100k
1M
10M
100M
1G
FREQUENCY – Hz
1.0
10
FREQUENCY – MHz
100
500
Figure 10. Crosstalk vs. Frequency
Figure 13. Open-Loop Transimpedance vs. Frequency
–40
NORMALIZED CLOSED-LOOP GAIN – dB
3
–50
DISTORTION – dBc
–60
V
S
= 5V
R
F
= 1k
R
L
= 150
A
V
= 2
V
OUT
= 2V p-p
2
A
V
=
1
0
–1
–2
–3
–4
–5
–6
0.1
1
10
FREQUENCY – MHz
100
1k
V
S
=
5V
A
V
=
10
1
3RD
HARMONIC
–70
–80
2ND
HARMONIC
R
F
= 1k
R
L
= 150
V
OUT
= 200mV p-p
A
V
=
2
–90
A
V
=
5
–100
0.1
1
FREQUENCY – MHz
10
Figure 11. Distortion vs. Frequency; V
S
=
±
5 V
Figure 14. Normalized Frequency Response; V
S
=
±
5 V
–40
V
S
= 5V
R
F
= 1k
R
L
= 150 TO 2.5V
A
V
= 2
V
OUT
= 2V p-p
6.1
6.0
3RD
HARMONIC
7
6
–50
–60
5.8
5.7
5.6
5.5
4
3
1 dB
DIV
0.1 dB
DIV
2
1
0
–1
500
–70
V
S
=
5V
V
O
= 2V p-p
R
F
= R
G
= 1k
R
L
= 150
A
V
=
2
TO 2.5V
–80
2ND
HARMONIC
–90
5.4
–100
0.1
1
FREQUENCY – MHz
10
5.3
0.1
1
10
FREQUENCY – MHz
100
Figure 12. Distortion vs. Frequency; V
S
= +5 V
Figure 15. Large Signal Frequency Response
–6–
REV. A
CLOSED-LOOP GAIN – dB
5.9
5
GAIN FLATNESS – dB
DISTORTION – dBc
AD [ ANALOG DEVICES ]
