–40
–50
RL = 150Ω
2V p-p
–60
–70
2nd HARMONIC
–80
3rd HARMONIC
–90
–100
100
1k
10k
100k
1M
10M
FREQUENCY – Hz
Figure 17. Harmonic Distortion vs. Frequency
650
550
450
350
250
–60 –40 –20
0 20 40 60 80 100 120 140
TEMPERATURE – °C
Figure 18. Slew Rate vs. Temperature
0.02
DIFF GAIN
0.01
0.06
0.05
0.04
DIFF PHASE
0.00
0.03
5
10
15
SUPPLY VOLTAGE – ±Volts
Figure 19. Differential Gain and Phase vs. Supply Voltage
AD818
10
VS CC 0.1dB
Flatness
9
؎15V 2pF 55 MHz
؎5V 1pF 43 MHz
8
+5V 1pF 18 MHz
7
CC
1k
1k
VOUT
AD818
VIN
150
6
5
؎5V
؎15V
4
3
+5V
2
1
1M
10M
100M
1G
FREQUENCY – Hz
Figure 20. Closed-Loop Gain vs. Frequency (G = +2)
10
8
VS
0.1dB
FLATNESS
6
±15V 72 MHz
±5V 34 MHz
4
+5V 19 MHz
2
2pF
1k
VIN
1k
AD818
VOUT
150
0
±15V
–2
–4
+5V
–6
±5V
–8
–10
1M
10M
100M
1G
FREQUENCY – Hz
Figure 21. Closed-Loop Gain vs. Frequency (G = –1)
REV. B
–7–