AD8120

Rev. 0 | Page 7 of 16

TYPICAL PERFORMANCE CHARACTERISTICS

4

6

2

0

–2

–4

–6

–8

–10

–12

0.3

1

10

100

1k

FREQUENCY (MHz)

DELAY CODE = 63

DELAY CODE = 33

DELAY CODE = 1

DELAY CODE = 2

4

2

0

–2

–4

–6

–8

–10

–12

0.3

1

10

100

1k

FREQUENCY (MHz)

DELAY CODE = 63

DELAY CODE = 33

DELAY CODE = 1

DELAY CODE = 2

Figure 4. Small-Signal Frequency Response for Various Delay Settings,

Figure 7. Video Signal Frequency Response for Various Delay Settings,

1.8

0.8

1.0

1.2

1.4

1.6

0.6

0.4

0.2

0

–0.2

–20

0

20

40

60

80

100

120

TIME (ns)

DELAY CODE = 63

DELAY CODE = 33

DELAY CODE = 0

INPUT

0.25

0.20

0.15

0.10

0.05

0

–0.05

–20

0

20

40

60

80

100

120

TIME (ns)

DELAY CODE = 63

DELAY CODE = 33

DELAY CODE = 0

INPUT

LOAD = 150Ω

Figure 5. Small-Signal Pulse Response for Various Delay Settings

Figure 8. Large-Signal Pulse Response for Various Delay Settings

50

45

40

35

30

25

20

15

10

5

0

0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

112

22

33

44

55

62

ANALOG CONTROL VOLTAGE (V)

DELAY CODE

120

110

100

90

80

70

60

50

40

0

4

8 1216 20 24283236 4044 48 5256 60 64

DELAY CODE

TWO CHANNELS

ONE CHANNEL

THREE CHANNELS

Figure 6. Relative Delay vs. Delay Code and Analog Control Voltage

Figure 9. Quiescent Current vs. Delay Code