OPA4872-EP_12 datasheet(6/25 Pages) TI1 | 4:1 HIGH-SPEED MULTIPLEXER

Part No.	OPA4872-EP

Description	4:1 HIGH-SPEED MULTIPLEXER

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Manufacturer	TI1 [Texas Instruments]

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TYPICAL CHARACTERISTICS

7

6

5

4

3

2

1

0

Frequency(Hz)

1M

10M

100M

1G

0.3

0.2

0.1

0

-0.1

-0.2

-0.3

-0.4

V

O

PP

=500mV

R =150W

L

G=+2V/V

Bandwidth

Normalized

Flatness

6

3

0

-3

-6

-9

-12

Frequency(Hz)

1M

10M

100M

2G

1G

G=+4V/V

G=+1V/V

G=+2V/V

V =500mV

O

PP

0.5

0.4

0.3

0.2

0.1

0

-0.1

-0.2

-0.3

-0.4

-0.5

Time(10ns/div)

2.5

2.0

1.5

1.0

0.5

0

-0.5

-1.0

-1.5

-2.0

-2.5

R =150W

L

G=+2V/V

Large-Signal4V

PP

RightScale

Small-Signal0.4V

PP

LeftScale

7

6

5

4

3

2

1

0

-1

-2

-3

Frequency(Hz)

0

200M

400M

600M

800M

1G

V =0.5V

O

PP

V =2V

O

PP

V =4V

O

PP

V =1V

O

PP

100

90

80

70

60

50

40

30

20

10

0

CapacitiveLoad(pF)

1

10

100

1000

8

7

6

5

4

3

2

1

0

-1

-2

-3

Frequency(MHz)

1

10

100

300

R

S

C

L

1kW

(1)

V

I

V

O

NOTE:(1)Optional.

C =10pF

L

C =22pF

L

C =47pF

L

C =100pF

L

+

-

523W

75W

OPA4872-EP

SBOS444 – DECEMBER 2008........................................................................................................................................................................................... www.ti.com

At TA = +25°C, G = +2 V/V, RF = 523 Ω, and RL = 150 Ω, unless otherwise noted.

SMALL-SIGNAL FREQUENCY RESPONSE

Figure 1.

Figure 2.

LARGE-SIGNAL FREQUENCY RESPONSE

NONINVERTING PULSE RESPONSE

Figure 3.

Figure 4.

RECOMMENDED RS vs CAPACITIVE LOAD

FREQUENCY RESPONSE vs CAPACITIVE LOAD

Figure 5.

Figure 6.

6

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