Triple and Quad, 2:1 Video Multiplexer-

Amplifiers with Fixed and Settable Gain

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13

PIN

MAX4023

SO/QSOP

MAX4024

SO/TSSOP

MAX4025

SO/TSSOP

MAX4026

SO/TSSOP

NAME

FUNCTION

14

12

16

15, 16

a 0.1µF capacitor.

15

14

19

19

OUT1

Amplifier Output 1

16

—

20

—

FB1

Amplifier Feedback Input for Amplifier 1

—

8

—

11, 20

REF

Reference Pin for Internal Gain Resistor Network

——

4

4

IN4A

Amplifier Input 4A

——

10

10

IN4B

Amplifier Input 4B

——

11

—

FB4

Amplifier Feedback Input for Amplifier 4

——

12

12

OUT4

Amplifier Output 4

Pin Description (continued)

EN

OUT1

FB1

MUX1

IN1A

A/B

IN1B

EN

OUT1

TO REF

MUX1

IN1A

A/B

IN1B

OUT2

TO REF

MUX2

IN2A

TO A/B

IN2B

OUT3

REF

MUX3

IN3A

IN3B

TO EN

TO EN

TO EN

TO EN

OUT2

FB2

MUX2

IN2A

TO A/B

IN2B

OUT3

FB3

MUX3

IN3A

TO A/B

TO A/B

IN3B

MAX4023

MAX4024

Functional Diagrams