1GHz, Low-Power, SOT23,

Current-Feedback Amplifiers with Shutdown

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9

FUNCTION

______________________________________________________________Pin Description

—

—

—

—

9

—

6

SHDNB

Amplifier B Shutdown Input.

Connect to +5V for normal

operation. Connect to GND for

low-power shutdown mode.

13

6

7

9

—

5

—

—

OUTB

Amplifier B Output

SHDNA

—

—

Amplifier A Shutdown Input.

Connect to +5V for normal

operation. Connect to GND for

low-power shutdown mode.

—

—

11

12

5

7

6

8

INB+

Amplifier B Noninverting Input

INB-

—

—

Amplifier B Inverting Input

2

3

2

2

3

3

INA-

Amplifier A Inverting Input

INA+

—

—

Amplifier A Noninverting Input

4

2

6

7

14

1

8

10

1

1

Positive Power-Supply

Voltage. Connect to +5V.

OUTA

—

—

Amplifier A Output

—

—

—

—

—

—

IN-

Amplifier Inverting Input

SHDN

5

8

Amplifier Shutdown. Connect

to +5V for normal operation.

Connect to GND for low-

power shutdown.

2

4

4

—

4

4

—

—

Negative Power-Supply

Voltage. Connect to -5V.

IN+

3

3

Amplifier Noninverting Input

—

—

—

OUT

Amplifier Output

1

6

5, 7, 8, 10

—

—

N.C.

No Connect. Not internally

connected. Tie to GND for

optimum AC performance.

—

1, 5

MAX4225

MAX4227

SO

µMAX

SO

SO

SOT23

MAX4223/MAX4224

MAX4226/MAX4228

PIN

NAME

FUNCTION