AD812 datasheet(15/16 Pages) AD

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AD812

–15–

REV. B

1000

100

FREQUENCY –MHz

–1

–6

–2

–3

–4

–5

–90

–180

–270

PHASE

GAIN

G = +2

RL = 150

VS = 15V

Figure 47. Closed-Loop Gain and Phase vs. Frequency for

the Line Driver

120

100

110

SUPPLY VOLTAGE –

Volts

G = +2

RL = 150

RF = 590

RF = 715

RF = 750

PEAKING

1dB

NO PEAKING

Figure 48. –3 dB Bandwidth vs. Supply Voltage,

Gain = +2, RL = 150 Ω

0.06

0.02

0.04

0.08

SUPPLY VOLTAGE –

Volts

0.06

0.02

0.04

DIFFERENTIAL GAIN

DIFFERENTIAL PHASE

Figure 49. Differential Gain and Phase vs. Supply Voltage,

Gain = +2, RL = 150 Ω

–0.1

–0.6

100M

10M

–0.2

–0.3

–0.4

–0.5

0.1

100k

FREQUENCY – Hz

0.2

0.3

0.4

G = +2

RL = 150

VS = 15V

Figure 50. Fine-Scale Gain Flatness vs. Frequency,

Gain = +2, RL = 150 Ω

1.0

–1.0

100

–0.2

–0.4

–0.6

–0.8

0.2

0.4

0.6

0.8

FREQUENCY – MHz

1000

VS = 3V

RF = 681

G = +2

RL = 150

VS = 15V

RF = 715

Figure 51. Closed-Loop Gain Matching vs. Frequency,

Gain = +2, RL = 150 Ω

10M

–0.2

–0.4

0.2

0.4

100k

FREQUENCY – Hz

100M

DELAY

DELAY MATCHING

15V

VS = 3V TO 15V

Figure 52. Group Delay and Group Delay Matching vs.

Frequency, G = +2, RL = 150 Ω

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