OPA3691 datasheet(9/39 Pages) TI1

Part #	OPA3691

Description	Dual, Wideband, Voltage-Feedback OPERATIONAL AMPLIFIE

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Manufacturer	TI1 [Texas Instruments]

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Frequency(Hz)

100

1M

100k

10k

1k

10M

100

10

1

VoltageNoise5.5nV/ÖHz

CurrentNoise3.1pA/ÖHz

Single-ToneLoadPower(dBm)

-8

-6

-4

-2

0

2

4

6

8

10

-30

-35

-40

-45

-50

-55

-60

-65

-70

-75

20MHz

10MHz

50MHz

LoadPoweratMatched50

Load,

W

seeFigure36

CapacitiveLoad(pF)

10

100

1000

80

70

60

50

40

30

20

10

0

Frequency(20MHz/div)

0

100

120

140

160

180

20

40

60

80

200

9

6

3

0

-3

-6

-9

402W

1kW

402W

RS

CL

VIN

VOUT

1/2

OPA2690

1k

isoptional.

W

C =22pF

L

C =47pF

L

C =100pF

L

C =10pF

L

G=+2

Time(50ns/div)

2.0

1.6

1.2

0.8

0.4

0

6

4

2

0

G=+2

V

=+1V

IN

V

DIS

OutputVoltage

EachChannel

SO-14

Package

Only

Frequency(Hz)

-45

-50

-55

-60

-65

-70

-75

-80

-85

-90

-95

-100

Forward

Reverse

V

DIS =0

100k

1M

10M

100M

OPA2690

www.ti.com

SBOS238G – JUNE 2002 – REVISED MARCH 2010

TYPICAL CHARACTERISTICS: VS = ±5V (continued)

At TA = +25°C, G = +2, RF = 402Ω, and RL = 100Ω (see Figure 36 for ac performance only), unless otherwise noted.

INPUT VOLTAGE AND CURRENT

TWO

−TONE, 3RD−ORDER

NOISE DENSITY

INTERMODULATION SPURIOUS

Figure 13.

Figure 14.

RECOMMENDED RS

FREQUENCY RESPONSE

vs CAPACITIVE LOAD

Figure 15.

Figure 16.

LARGE-SIGNAL

DISABLE FEEDTHROUGH

ENABLE/DISABLE RESPONSE

vs FREQUENCY

Figure 17.

Figure 18.

9

Product Folder Link(s): OPA2690

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