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MAX4205

Ultra-High-Speed, Low-Noise, Low-Power, SOT23 Open-Loop Buffers

Maxim Integrated 

19-1338; Rev 2; 4/99

Ultra-High-Speed, Low-Noise, Low-Power,

SOT23 Open-Loop Buffers

________________General Description

The MAX4200–MAX4205 are ultra-high-speed, open-

loop buffers featuring high slew rate, high output cur-

rent, low noise, and excellent capacitive-load-driving

capability. The MAX4200/MAX4201/MAX4202 are sin-

gle buffers, while the MAX4203/MAX4204/MAX4205 are

dual buffers. The MAX4201/MAX4204 have integrated

50Ω termination resistors, making them ideal for driv-

ing 50Ω transmission lines. The MAX4202/MAX4205

include 75Ω back-termination resistors for driv-

ing 75Ω transmission lines. The MAX4200/MAX4203

have no internal termination resistors.

The MAX4200–MAX4205 use a proprietary architecture

to achieve up to 780MHz -3dB bandwidth, 280MHz

0.1dB gain flatness, 4200V/µs slew rate, and ±90mA

output current drive capability. They operate from ±5V

supplies and draw only 2.2mA of quiescent current.

These features, along with low-noise performance, make

these buffers suitable for driving high-speed analog-to-

digital converter (ADC) inputs or for data-communica-

tions applications.

________________________Applications

High-Speed DAC Buffers

Wireless LANs

Digital-Transmission Line Drivers

High-Speed ADC Input Buffers

IF/Communications Systems

___________________________Selector Guide

PART

NO. OF

BUFFERS

INTERNAL

OUTPUT

TERMINATION

(Ω)

PIN-PACKAGE

MAX4200

1

—

8 SO, 5 SOT23

MAX4201

1

50

8 SO, 5 SOT23

MAX4202

1

75

8 SO, 5 SOT23

MAX4203

2

—

8 SO/µMAX

MAX4204

2

50

8 SO/µMAX

MAX4205

2

75

8 SO/µMAX

Pin Configurations appear at end of data sheet.

____________________________Features

o 2.2mA Supply Current

o High Speed

780MHz -3dB Bandwidth (MAX4201/MAX4202)

280MHz 0.1dB Gain Flatness (MAX4201/MAX4202)

4200V/µs Slew Rate

o Low 2.1nV/√Hz Voltage-Noise Density

o Low 0.8pA/√Hz Current-Noise Density

o High ±90mA Output Drive (MAX4200/MAX4203)

o Excellent Capacitive-Load-Driving Capability

o Available in Space-Saving SOT23 or µMAX

Packages

_______________Ordering Information

PART

MAX4200ESA

MAX4200EUK-T

MAX4201ESA

MAX4201EUK-T

MAX4202ESA

MAX4202EUK-T

MAX4203ESA

MAX4203EUA

MAX4204ESA

MAX4204EUA

MAX4205ESA

MAX4205EUA

TEMP. RANGE

-40°C to +85°C

-40°C to +85°C

-40°C to +85°C

-40°C to +85°C

-40°C to +85°C

-40°C to +85°C

-40°C to +85°C

-40°C to +85°C

-40°C to +85°C

-40°C to +85°C

-40°C to +85°C

-40°C to +85°C

PIN-

PACKAGE

8 SO

5 SOT23-5

8 SO

5 SOT23-5

8 SO

5 SOT23-5

8 SO

8 µMAX

8 SO

8 µMAX

8 SO

8 µMAX

TOP

MARK

—

AABZ

—

ABAA

—

ABAB

—

—

—

—

—

—

___________Typical Application Circuit

IN

*RL = RT + REXT

RT*

50Ω

50Ω CABLE

MAX4201

COAXIAL CABLE DRIVER

OUT

REXT*

50Ω

________________________________________________________________ Maxim Integrated Products 1

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.

For small orders, phone 1-800-835-8769.

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