OPA2690 datasheet(12/35 Pages) TI

Part #	OPA2690

Description	Low-Power, Wideband, Voltage-Feedback OPERATIONAL AMPLIFIER with Disable

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TYPICAL CHARACTERISTICS: VS = ±5V, Differential

3

0

-3

-6

-9

-12

-15

-18

Frequency(Hz)

1M

10M

400M

100M

G =1V/V

D

G =2V/V

D

G =10V/V

D

G =5V/V

D

R =750

R =400

F

L

W

9

6

3

0

-3

-6

-9

-12

Frequency(MHz)

1

10

200

100

V =8V

O

PP

V =14V

O

PP

V =5V

O

PP

R =400

G =2V/V

W

L

D

-60

-65

-70

-75

-80

-85

-90

Resistance( )

W

100

1k

2ndHarmonic

3rdHarmonic

V =4V

f=1MHz

G =2V/V

O

PP

D

-30

-40

-50

-60

-70

-80

-90

-100

Frequency(MHz)

1

10

20

V =4V

R

O

PP

L =400W

G =2V/V

D

2ndHarmonic

3rdHarmonic

-65

-70

-75

-80

-85

-90

OutputVoltage(V

)

PP

1

10

R =400

f=1MHz

G =2V/V

W

L

D

2ndHarmonic

3rdHarmonic

-90

-100

-110

-120

-130

-140

-150

Frequency(Hz)

1k

10k

100k

1M

R

L_DIFF =1kW

G = 1V/V

-

D

V

O

PP

=4V

3rdHarmonic

2ndHarmonic

OPA2890

SBOS364A – DECEMBER 2007 – REVISED DECEMBER 2007

At TA = +25°C, Differential Gain = +2V/V, and RL = 400Ω, unless otherwise noted. See Figure 52.

DIFFERENTIAL SMALL-SIGNAL FREQUENCY RESPONSE

DIFFERENTIAL LARGE-SIGNAL FREQUENCY RESPONSE

Figure 26.

Figure 27.

DIFFERENTIAL DISTORTION vs LOAD RESISTANCE

DIFFERENTIAL DISTORTION vs FREQUENCY

Figure 28.

Figure 29.

DIFFERENTIAL DISTORTION vs OUTPUT VOLTAGE

DIFFERENTIAL DISTORTION vs FREQUENCY

Figure 30.

Figure 31.

12

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