-55

-60

-65

-70

-75

-80

-85

-90

LoadResistance( )

W

100

1k

V =2V

O

PP

f=5MHz

2nd-Harmonic

3rd-Harmonic

dBc=dBBelowCarrier

-55

-60

-65

-70

-75

-80

-85

-90

-95

SupplyVoltage( V )

± S

2.5

3.0

3.5

4.0

4.5

5.0

5.5

6.0

2nd-Harmonic

V =2V

O

PP

R =150

L

W

f=5MHz

3rd-Harmonic

dBc=dBBelowCarrier

-40

-45

-50

-55

-60

-65

-70

-75

-80

-85

-90

-95

Frequency(MHz)

1

10

100

V =2V

O

PP

R =150W

L

2nd-Harmonic

3rd-Harmonic

dBc=dBBelowCarrier

-50

-55

-60

-65

-70

-75

-80

-85

-90

-95

-100

OutputVoltageSwing(V )

PP

0.5

1.5

2.5

3.5

4.5

5.5

6.5

7.5

R =150

L

W

f=5MHz

2nd-Harmonic

dBc=dBBelowCarrier

3rd-Harmonic

6

5

4

3

2

1

0

-1

-2

-3

-4

-5

OutputCurrent(mA)

-200

-100

0

100

200

300

1WInternal

PowerLimit

1WInternal

PowerLimit

100

Load

W

50

Load

W

25

Load

W

-20

-30

-40

-50

-60

-70

-80

-90

-100

-110

Frequency(Hz)

1M

10M

100M

1G

Input-referred

ShutdownFeedthrough

DisableFeedthrough

OPA4872-EP

www.ti.com........................................................................................................................................................................................... SBOS444 – DECEMBER 2008

TYPICAL CHARACTERISTICS (continued)

At TA = +25°C, G = +2 V/V, RF = 523 Ω, and RL = 150 Ω, unless otherwise noted.

HARMONIC DISTORTION vs LOAD RESISTANCE

HARMONIC DISTORTION vs SUPPLY VOLTAGE

Figure 7.

Figure 8.

HARMONIC DISTORTION vs FREQUENCY

HARMONIC DISTORTION vs OUTPUT VOLTAGE

Figure 9.

Figure 10.

DISABLE AND SHUTDOWN FEEDTHROUGH vs

OUTPUT VOLTAGE AND CURRENT LIMITATIONS

FREQUENCY

Figure 11.

Figure 12.

Copyright © 2008, Texas Instruments Incorporated

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