General Description

The MAX4400–MAX4403 low-cost, general-purpose op

amps offer rail-to-rail outputs, draw only 320µA of quies-

cent current, and operate from a single +2.5V to +5.5V

supply. For additional power conservation, the MAX4401

offers a low-power shutdown mode that reduces supply

current to 1µA (max) and puts the amplifier’s output in a

high-impedance state. These devices deliver ±1.4mA of

output current and are unity-gain stable with a 1MHz gain-

bandwidth product driving capacitive loads up to 400pF.

The MAX4400–MAX4403 are specified to +125°C, making

them suitable for use in a variety of harsh environments,

such as automotive applications.

The MAX4400 single amplifier is available in ultra-small

5-pin SC70 and space-saving 5-pin SOT23 packages.

The single MAX4401 includes the shutdown feature and is

available in a 6-pin SC70. The MAX4402 is a dual amplifier

MAX4403 quad amplifier is packaged in a 14-pin TSSOP

or SO.

Applications

Single-Supply, Zero-Crossing Detectors

Instruments and Terminals

Portable Communications

Electronic Ignition Modules

Infrared Receivers

Sensor Signal Detection

Features

o Single +2.5V to +5.5V Supply Voltage Range

o 320µA Quiescent Current per Amplifier

o 1µA (max) Shutdown Mode (MAX4401)

o Available in Space-Saving Packages

5-Pin SC70 (MAX4400)

6-Pin SC70 (MAX4401)

8-Pin SOT23/µMAX (MAX4402)

o 0.015% THD with 2kΩ Load

o Rail-to-Rail Output Voltage Swing

o 1.4mA of Sink and Source Load Current

o Ground-Sensing Inputs

Single/Dual/Quad, Low-Cost, Single-Supply,

Rail-to-Rail Op Amps with Shutdown

IN+

IN-

1

2

3

5

4 OUT

IN+

IN-

1

2

3

6

5

4 OUT

SHDN

MAX4400

MAX4401

SC70-5/SOT23-5

SC70-6

PART

TEMP RANGE

PIN-

PACKAGE

TOP

MARK

MAX4400AXK+T

-40°C to +125°C

5 SC70

AAG

MAX4400AUK+T

-40°C to +125°C

5 SOT23

ADNP

MAX4401AXT+T

-40°C to +125°C

6 SC70

AAB

MAX4402AKA+T

-40°C to +125°C

8 SOT23

AADI

MAX4402AUA+

-40°C to +125°C

8 µMAX

—

MAX4402AUA/V+T

-40°C to +125°C

8 µMAX

—

MAX4402ASA+

-40°C to +125°C

8 SO

—

MAX4403AUD+

-40°C to +125°C

14 TSSOP

—

MAX4403ASD+

-40°C to +125°C

14 SO

—

19-1599; Rev 4; 7/12

1

For pricing, delivery, and ordering information, please contact Maxim Direct

at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

Pin Configurations

Ordering Information

Selector Guide

MAX4401

1

Yes

MAX4402

2

No

MAX4403

4

No

µMAX is a registered trademark of Maxim Integrated Products, Inc.

Pin Configurations continued at end of data sheet.

No

1

MAX4400

PART

NO. OF AMPLIFIERS

PER PACKAGE

SHUTDOWN

MODE

+

Denotes a lead(Pb)-free/RoHS-compliant package.

/V denotes an automotive qualified part.

T = Tape and reel.