OPA4820ID datasheet(11/34 Pages) TI1

Part #	OPA4820ID

Description	Quad, Unity-Gain Stable, Low-Noise, Voltage-Feedback Operational Amplifier

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Manufacturer	TI1 [Texas Instruments]

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OPA4820

SBOS317D − SEPTEMBER 2004 − REVISED AUGUST 2008

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11

TYPICAL CHARACTERISTICS: VS = +5V (continued)

RF = 402Ω, RL = 100Ω to VS/2, and G = +2, unless otherwise noted.

−60

−65

−70

−75

−80

−85

−90

−95

−100

−105

HARMONIC DISTORTION vs LOAD RESISTANCE

Resistance (

Ω)

100

1000

G= +2V/V

f= 1MHz

V

O =2VPP

2nd−Harmonic

3rd−Harmonic

−60

−65

−70

−75

−80

−85

−90

−95

−100

−105

HARMONIC DISTORTION vs OUTPUT VOLTAGE

Output Voltage Swing (V

PP)

0.1

1

10

G= +2V/V

f=1MHz

R

L = 200Ω

SeeFigure3

2nd−Harmonic

3rd−Harmonic

−60

−65

−70

−75

−80

−85

−90

−95

−100

−105

HARMONIC DISTORTION vs INVERTING GAIN

Gain (

 V/V )

110

f=1MHz

R

L = 200Ω

V

O =2VPP

SeeFigure4

2nd−Harmonic

3rd−Harmonic

−60

−65

−70

−75

−80

−85

−90

−95

−100

−105

HARMONIC DISTORTION vs FREQUENCY

Frequency (MHz)

0.1

1

10

G= +2V/V

R

L = 200Ω

V

O =2VPP

2nd−Harmonic

3rd−Harmonic

−60

−65

−70

−75

−80

−85

−90

−95

−100

−105

HARMONIC DISTORTION vs NONINVERTING GAIN

Gain (V/V)

110

f=1MHz

R

L = 200Ω

V

O =2VPP

SeeFigure3

2nd−Harmonic

3rd−Harmonic

40

35

30

25

20

15

TWO−TONE, 3RD−ORDER

INTERMODULATION INTERCEPT

Frequency (MHz)

0

5

10

15

20

25

30

402

Ω

1/4

OPA4820

P

I

+5V

P

O

57.6

Ω

200

Ω

0.1

µF

806

Ω

806

Ω

402

Ω

0.1

µF

0.01

µF

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