AD8079AR-REEL Ver la hoja de datos (PDF) - Analog Devices

Número de pieza

componentes Descripción

Fabricante

AD8079AR-REEL

Dual 260 MHz Gain = +2.0 & +2.2 Buffer

Analog Devices 

–10

–20

VIN = 2V p-p

RL = 100Ω

–30 VS = ±5V

–40

–50

–60

–70

–80

–90

–100

–110

100k

0.1M

1M

10M

FREQUENCY – Hz

100M 200M

Figure 9. Crosstalk (Output-to-Output) vs. Frequency

0.02

NTSC

0.01

2 BACK TERMINATED

LOADS (75Ω)

0.00

–0.01

–0.02

123

1 BACK TERMINATED

LOAD (150Ω)

4 5 6 7 8 9 10 11

IRE

0.08

2 BACK TERMINATED

0.06

LOADS (75Ω)

NTSC

0.04

1 BACK TERMINATED

LOAD (150Ω)

0.02

0.00

1 2 3 4 5 6 7 8 9 10 11

IRE

Figure 10. Differential Gain and Differential Phase

(per Amplifier)

SIDE 1

RL = 100Ω

SIDE 2

5ns

NOTES: SIDE 1: VIN = 0V; 8mV/div RTO

SIDE 2: 1V STEP RTO; 400mV/div

Figure 11. Pulse Crosstalk, Worst Case, 1 V Step

3

0

–3

–6

–9

–12

–15

–18

–21

–24

–27

1M

AD8079

VIN = 1.0V rms

VIN = 0.5V rms

3

VS = ±5V

RL = 100Ω 0

–3

–6

–9

VIN = 0.25V rms

–12

–15

VIN = 125mV rms

–18

VIN = 62.5mV rms

10M

100M

FREQUENCY – Hz

–21

–24

–27

500M

Figure 12. Large Signal Frequency Response

5

2V STEP

4

RC = 100Ω

3

RL = 150Ω

9

2

1

0

–1

–2

–3

–4

–5

0

20

40

60

80

100

120

TIME – ns

Figure 13. Short-Term Settling Time

2V STEP

RL = 100Ω

ERROR,

(0.05%/DIV)

OUTPUT

INPUT

400mV

2µs

Figure 14. Long-Term Settling Time

REV. A

–5–

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