OPA2674IDR datasheet(9/33 Pages) TI

Part #	OPA2674IDR

Description	Dual Wideband, High Output Current Operational Amplifier with Current Limit

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Manufacturer	TI [Texas Instruments]

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OPA2674

SBOS270A − AUGUST 2003 − REVISED MAY 2006

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9

TYPICAL CHARACTERISTICS: VS = ±6V (continued)

At TA = +25°C, G = +4, RF = 402Ω, and RL = 100Ω, unless otherwise noted.

HARMONIC DISTORTION vs LOAD RESISTANCE

Load Resistance (

Ω)

10

−50

−55

−60

−65

−70

−75

−80

−85

−90

−95

−100

100

1k

Single Channel, See Figure 1

V

O =2VPP

f= 5MHz

2nd−Harmonic

3rd−Harmonic

2−TONE, 3rd−ORDER SPURIOUS LEVEL

Single−Tone Load Power (dBm)

−10

0

5

−510

−60

−65

−70

−75

−80

−85

−90

−95

−100

20MHz

5MHz

1MHz

Power at Matched 50

ΩLoad, See Figure 1

10MHz

dBc = dB Below Carriers

MAXIMUM OUTPUT SWING vs LOAD RESISTANCE

Load Resistance (

Ω)

10

100

1k

6

5

4

3

2

1

0

−1

−2

−3

−4

−5

−6

OUTPUT VOLTAGE AND CURRENT LIMITATIONS

I

O (mA)

−600

6

5

4

3

2

1

0

−1

−2

−3

−4

−5

−6

0

200

400

−200

−400

600

R

L

=10Ω

R

L

=25Ω

R

L

=50

Ω

R

L

= 100Ω

1 W In terna l P ow er

S ingle C ha nnel

1 W In ternal P ow er

Single Ch ann el

INPUT VOLTAGE AND CURRENT NOISE DENSITY

Frequency (Hz)

100

10

1

100k

1M

10k

1k

10M

Inverting Current N oise

Noninverting Current Noise

Voltage Noise

2.0nV/

√Hz

16pA/

√Hz

24pA/

√ Hz

CHANNEL−TO−CHANNEL CROSSTALK

Frequency (Hz)

1M

10M

100M

−60

−65

−70

−75

−80

−85

−90

−95

−100

−105

−110

Input Referred

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