_______________General Description

The MAX4147 differential line driver offers high-speed

performance while consuming only 100mW of power.

Its amplifier has fully symmetrical inputs and outputs

and uses laser-trimmed, matched, thin-film resistors to

deliver 70dB CMR at 10MHz. Using current-feedback

techniques, the MAX4147 achieves a 300MHz band-

width and a 2000V/µs slew rate.

Optimized for differential, high-output-current applica-

tions such as transformer drivers, the MAX4147 drives

±2.6V into a 26.5

Ω load (single-ended) or ±5.6V into a

53

Ω load (differential). This device is preset for a

closed-loop gain of 2V/V. Its ultra-low 0.008%/0.03° dif-

ferential gain/phase allow for a variety of video and RF

signal-processing applications.

For power-sensitive applications, the MAX4147 has a

shutdown function that reduces supply current to less

than 1mA. In addition, superior SFDR (-82dBc at

Ω) makes it ideal as a transformer driver

for HDSL applications.

For a complete differential transmission link, use the

MAX4147 with the MAX4144 line receiver (see the

MAX4144 data sheet for more information).

________________________Applications

VDSL, ADSL, HDSL

Video Twisted-Pair Driver

Differential Pulse Amplifier

Differential ADC Driver

____________________________Features

o 2V/V Fixed Gain

o 300MHz -3dB Bandwidth

o 2000V/µs Slew Rate

o 82dBc SFDR at 10kHz

o 70dB CMR at 10MHz

o Low Differential Gain/Phase: 0.008%/0.03°

o High Output Drive: ±5.6V into 53

Ω

o Low Power: 100mW

300MHz, Low-Power,

High-Output-Current, Differential Line Driver

________________________________________________________________

Maxim Integrated Products

1

14

13

12

11

10

9

8

1

2

3

4

5

6

7

OUT+

SENSE+

GND

SHDN

N.C.

IN+

TOP VIEW

MAX4147

SENSE-

OUT-

IN-

N.C.

SO

__________________Pin Configuration

MAX4144

MAX4147

OUT

OUT+

OUT-

IN-

IN+

IN-

IN+

SENSE

SENSE+

SENSE-

VDSL

TRANSFORMER ISOLATION

________Typical Application Circuit

19-1106; Rev 1; 11/96

PART

MAX4147ESD

-40°C to +85°C

TEMP. RANGE

PIN-PACKAGE

14 SO

EVALUATION

KIT

AVAILABLE

______________Ordering Information

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

For small orders, phone 408-737-7600 ext. 3468.