FN7038 Rev 0.00

Page 1 of 16

July 17, 2001

FN7038

Rev 0.00

July 17, 2001

EL1503

High Power Differential Line Driver

DATASHEET

The EL1503 ADSL Line Driver contains two wideband high-

voltage drivers which are ideally suited for both ADSL and

HDSL2 applications. They can supply a 39.2VP-P signal into

a 22

 load while exhibiting very low distortion. The EL1503

also has a number of power saving features. The IADJ pin

can be used to set the maximum supply current and the C0

and C1 pins can be used to digitally vary the supply current

to one of four modes. These modes include full power, low

power, terminate only and power down.

The EL1503 uses current-feedback type amplifiers, which

achieve a high slew rate while consuming moderate power.

They retain their frequency response over a wide range of

externally set gains. The EL1503 operates on ±5V to ±12V

supplies and consumes only 12.5mA per amplifier.

The device is supplied in a standard form-factor 20-pin SO

(0.300”), 16-pin thermal SO (0.150”), and the small footprint

(4x5mm) 24-pin LPP packages. Center pins on each side of

the 20-pin and 16-pin packages are used as ground

connections and heat spreaders. The LPP package has the

potential for a low

JA (<40°C/W) and dissipates heat by

means of a thermal pad that is soldered onto the PCB. All

package options are specified for operation over the full

-40°C to +85°C temperature range.

Features

• High power ADSL driver

•39.2VP-P differential output drive into 22

•42.4VP-P differential output drive into 65

• Driver 2nd/3rd harmonics of -66dBc/-72dBc at 2VP-P into

100

 differential

• Supply current of 12.5mA per amplifier

• Supply current control

• Power saving modes

• Standard surface-mount packages

• Ultra-small LPP package

Applications

• ADSL line drivers

• HDSL2 line drivers

• Video distribution amplifiers

Ordering Information

PART NUMBER

PACKAGE

TAPE &

REEL

PKG. DWG. #

EL1503CL

24-Pin LPP

-

MDP0046

EL1503CL-T7

24-Pin LPP

7”

MDP0046

EL1503CL-T13

24-Pin LPP

13”

MDP0046

EL1503CM

20-Pin SO (0.300")

-

MDP0027

EL1503CM-T13

20-Pin SO (0.300")

13”

MDP0027

EL1503CS

16-Pin SO (0.150”)

-

MDP0027

EL1503CS-T7

16-Pin SO (0.150”)

7”

MDP0027

EL1503CS-T13

16-Pin SO (0.150”)

13”

MDP0027

FOR UPDATED INFORMATION SEE

EL1503A