OPA2890IDGSRG4 datasheet(9/35 Pages) TI

Part #	OPA2890IDGSRG4

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

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Manufacturer	TI [Texas Instruments]

Direct Link	http://www.ti.com

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9 / 35 page

-90

-95

-100

-105

-110

-115

Frequency(Hz)

1k

10k

100k

1M

V

O =2VPP

R

L =500W

G= 1V/V

-

2ndHarmonic

3rdHarmonic

-30

-40

-50

-60

-70

-80

-90

-100

-110

Single-ToneLoadPower(dBm)

-8

-6

-4

-2

0

2

4

6

8

Loadpoweratmatched50

load.

W

10MHz

5MHz

1MHz

100

10

1

CapacitiveLoad(pF)

1

10

100

1000

9

6

3

0

-3

-6

-9

Frequency(MHz)

0

20

40

60

80

100

120

140

160

180

200

G=+2V/V

750W

R

S

V

IN

V

OUT

1kW

(1)

C

L

750W

NOTE:(1)1k

isoptional.

W

C =100pF

L

C =47pF

L

C =22pF

L

C =10pF

L

1/2

OPA2890

80

70

60

50

40

30

20

10

0

Frequency(Hz)

1k

10k

100k

1M

10M

100M

-PSRR

CMRR

+PSRR

100

10

1

0.1

Frequency(Hz)

1

10

100

1k

10k

100k

1M

VoltageNoise(8nV/

)

ÖHz

CurrentNoise(1pA/

)

ÖHz

OPA2890

www.ti.com.................................................................................................................................................... SBOS364B – DECEMBER 2007 – REVISED MAY 2008

TYPICAL CHARACTERISTICS: VS = ±5V (continued)

At TA = +25°C, G = +2V/V, RF = 750Ω, and RL = 200Ω, unless otherwise noted. See Figure 49.

LOW-FREQUENCY INVERTING HARMONIC DISTORTION

TWO-TONE, 3RD-ORDER INTERMODULATION SPURIOUS

Figure 13.

Figure 14.

RECOMMENDED RS vs CAPACITIVE LOAD

FREQUENCY RESPONSE vs CAPACITIVE LOAD

Figure 15.

Figure 16.

COMMON-MODE REJECTION RATIO AND POWER-SUPPLY

REJECTION RATIO vs FREQUENCY

INPUT VOLTAGE AND CURRENT NOISE

Figure 17.

Figure 18.

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