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MAX477EPA

300MHz High-Speed Op Amp

Maxim Integrated 

19-0467; Rev 3; 11/99

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300MHz High-Speed Op Amp

General Description

The MAX477 is a ±5V wide-bandwidth, fast-settling,

unity-gain-stable op amp featuring low noise, low differ-

ential gain and phase errors, high slew rate, high preci-

sion, and high output current. The MAX477’s archi-

tecture uses a standard voltage-feedback topology that

can be configured into any desired gain setting, as with

other general-purpose op amps.

Unlike high-speed amplifiers using current-mode feed-

back architectures, the MAX477 has a unique input

stage that combines the benefits of the voltage-feed-

back design (flexibility in choice of feedback resistor,

two high-impedance inputs) with those of the current-

feedback design (high slew rate and full-power band-

width). It also has the precision of voltage-feedback

amplifiers, characterized by low input-offset voltage

and bias current, low noise, and high common-mode

and power-supply rejection.

The MAX477 is ideally suited for driving 50Ω or 75Ω

loads and is available in 8-pin DIP, SO, space-saving

µMAX, and 5-pin SOT23 packages.

Applications

Broadcast and High-Definition TV Systems

Video Switching and Routing

Communications

Medical Imaging

Precision DAC/ADC Buffer

Typical Operating Circuit

Features

o High Speed

300MHz -3dB Bandwidth (AV = +1)

200MHz Full-Power Bandwidth (AV = +1, VO = 2Vp-p)

1100V/µs Slew Rate

130MHz 0.1dB Gain Flatness

o Drives 100pF Capacitive Loads Without Oscillation

o Low Differential Phase/Gain Error: 0.01°/0.01%

o 8mA Quiescent Current

o Low Input-Referred Voltage Noise: 5nV/√Hz

o Low Input-Referred Current Noise: 2pA/√Hz

o Low Input Offset Voltage: 0.5mV

o 8000V ESD Protection

o Voltage-Feedback Topology for Simple Design

Configurations

o Short-Circuit Protected

o Available in Space-Saving SOT23 Package

Ordering Information

PART

MAX477EPA

MAX477ESA

MAX477EUA

MAX477EUK-T

MAX477MJA

TEMP. RANGE

PIN-

PACKAGE

TOP

MARK

-40°C to +85°C

-40°C to +85°C

-40°C to +85°C

-40°C to +85°C

-55°C to +125°C

8 Plastic DIP

8 SO

8 µMAX

5 SOT23-5

8 CERDIP

—

—

—

ABYW

—

Pin Configuration

VIN

75Ω

75Ω

MAX477

500Ω

500Ω

VOUT

75Ω

VIDEO/RF CABLE DRIVER

MAX477

TOP VIEW

MAX477

OUT 1

VEE 2

IN+ 3

5 VCC

4 IN-

N.C. 1

IN- 2

IN+ 3

VEE 4

8 N.C.

7 VCC

6 OUT

5 N.C.

SOT23-5

DIP/SO/µMAX

________________________________________________________________ Maxim Integrated Products 1

For price, delivery, and to place orders, please contact Maxim Distribution at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

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