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HFA1109

450MHz, Low Power, Current Feedback Video Operational Amplifier

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HFA1109

Typical Performance Curves VSUPPLY = ±5V, TA = +25°C, RF = Value From the Optimum Feedback Resistor Table, RL = 100Ω,

Unless Otherwise Specified (Continued)

-20

VOUT = 2VP-P

-30

-40

-50

-60

AV = +2, -1

-20

VOUT = 2VP-P

-30

-40

-50

-60

AV = +1

AV = -1

AV = +2

AV = +1

-70

-80

0M 10M 20M 30M 40M 50M 60M 70M 80M 90M 100M

FREQUENCY (Hz)

FIGURE 18. 2nd HARMONIC DISTORTION vs FREQUENCY

-70

-80

0M

AV = +1

10M 20M 30M 40M 50M 60M 70M 80M 90M 100M

FREQUENCY (Hz)

FIGURE 19. 3rd HARMONIC DISTORTION vs FREQUENCY

AV = +2

1k

100

10

1

0.1

0.01

0.3 1M

10M

100M

FREQUENCY (Hz)

1000M

FIGURE 20. CLOSED LOOP OUTPUT RESISTANCE

14.0

13.5

13.0

12.5

12.0

11.5

11.0

10.5

10.0

9.50

9.00

8.50

4

4.5

5

5.5

6

6.5

7

7.5

8

SUPPLY VOLTAGE (±V)

FIGURE 22. SUPPLY CURRENT vs SUPPLY VOLTAGE

9

3.6

3.4 +VOUT (RL = 100Ω)

3.2

3.0 +VOUT (RL = 50Ω)

2.8

|-VOUT| (RL = 100Ω)

+VOUT (RL = 50Ω)

2.6

|-VOUT| (RL = 100Ω)

2.4

2.2

2.0

1.8

|-VOUT| (RL = 50Ω)

1.6

-75 -50 -25

0

25 50 75 100 125

TEMPERATURE (°C)

FIGURE 21. OUTPUT VOLTAGE vs TEMPERATURE

17

16

15

14

VS = ±8V

13

12

11

10

9 VS = ±5V

8

7

6

VS = ±4V

5

4

-75 -50 -25

0

25 50 75

TEMPERATURE (°C)

100 125

FIGURE 23. SUPPLY CURRENT vs TEMPERATURE

FN4019.5

April 23, 2007

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