OPA830

SBOS263F − AUGUST 2004 − REVISED AUGUST 2008

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11

At TA = 25°C, G = +2, RF = 750Ω, RL = 150Ω to VS/2, and input VCM = 2.5V, unless otherwise noted (see Figure 1).

−50

−55

−60

−65

−70

−75

−80

−85

−90

HARMONIC DISTORTION vs LOAD RESISTANCE

Load Resistance (

Ω )

100

1000

f=5MHz

V

G= +2V/V

SeeFigure1

3rd−Harmonic

2nd−Harmonic

−45

−50

−55

−60

−65

−70

−75

−80

−85

−90

−95

−100

HARMONIC DISTORTION vs OUTPUT VOLTAGE

Output Voltage Swing (V

0.1

1

10

2nd−Harmonic

3rd−Harmonic

f= 5MHz

R

G= +2V/V

See Figure 1

Input Limited

−55

−60

−65

−70

−75

−80

−85

HARMONIC DISTORTION vs INVERTING GAIN

Gain (

110

f=5MHz

R

V

3rd−Harmonic

2nd−Harmonic

−50

−55

−60

−65

−70

−75

−80

−85

−90

−95

−100

−105

HARMONIC DISTORTION vs FREQUENCY

Frequency (MHz)

0.1

1

10

3rd−Harmonic

R

2nd−Harmonic

R

2nd−Harmonic

R

3rd−Harmonic

R

G= +2V/V

V

SeeFigure1

−55

−60

−65

−70

−75

−80

−85

−90

HARMONIC DISTORTION vs NONINVERTING GAIN

Gain (V/V)

110

f=5MHz

R

V

See Figure 1

3rd−Harmonic

2nd−Harmonic

−45

−50

−55

−60

−65

−70

−75

−80

−85

−90

−95

TWO−TONE, 3RD−ORDER INTERMODULATION SPURIOUS

Single−Tone Load Power (dBm)

10MHz

5MHz

20MHz

750

Ω

OPA830

P

I

P

O

50

Ω

500

Ω

750

Ω

−26 −24 −22 −20 −18 −16 −14 −12 −10 −8 −6 −4 −2