AD8180/AD8182–Typical Performance Curves
–25
–35
HARMONIC DISTORTION – dBc
–45
–55
–65
–75
3RD HARMONIC
NORMALIZED FLATNESS – dB
+1
V
OUT
= 2V p-p
R
L
= 1k
V
IN
= 500mV rms
R
L
= 5k
C
L
= 100pF
C
L
=
33pF
C
L
=
10pF
C
L
=
0pF
0
NORMALIZED OUTPUT – dB
NORMALIZED OUTPUT – dB
–1
–2
–3
–4
–5
–6
C
L
= 100pF
–0.2
–0.3
–0.4
1M
4M
10M
40M
100M
FREQUENCY – Hz
400M
–7
–8
–9
1G
+0.1
0
–0.1
C
L
= 33pF
2ND HARMONIC
–85
–95
100k
1M
10M
FREQUENCY – Hz
100M 200M
150M
Figure 16. Harmonic Distortion vs. Frequency
Figure 19. Frequency Response vs. Capacitive Load
31.6M
DISABLED OUTPUT AND INPUT IMPEDANCE –
Z
OUT
(DISABLED)
120
R
S
= 0
ENABLED OUTPUT IMPEDANCE –
R
S
= 75
1.0
NORMALIZED FLATNESS – dB
0.8
0.6
0.4
0.2
R
S
= 75
0
–0.2
–0.4
1M
R
S
= 150
4M
10M
40M
100M
FREQUENCY – Hz
400M
V
IN
= 50mV rms
R
L
= 5k
R
S
= 150
R
S
= 0
+1
0
3.16M
100
–1
–2
–3
–4
–5
–6
–7
–8
–9
1G
316k
Z
IN
(ENABLED)
80
31.6k
60
3.16k
Z
OUT
(ENABLED)
40
316
20
31.6
1k
10k
100k
1M
10M
FREQUENCY – Hz
100M
0
1G
Figure 17. Disabled Output and Input Impedance vs.
Frequency
Figure 20. Frequency Response vs. Input Series Resistance
0
–10
–20
PSRR – dB
–30
–40
–50
–60
–70
0.03
OUTPUT VOLTAGE – Volts
5
4
3
2
1
0
–1
–2
–3
–4
–5
–5
–4
–3
–2
–1
0
1
2
INPUT VOLTAGE – Volts
3
4
5
+PSRR
–PSRR
0.1
1
10
FREQUENCY – MHz
100
500
Figure 18. Power Supply Rejection vs. Frequency
Figure 21. Output Voltage vs. Input Voltage, R
L
= 1 k
Ω
–6–
REV. B
AD [ ANALOG DEVICES ]
