GS3440 Adaptive Cable Equalizer

Final Data Sheet

Rev. 2

December 2012

2 of 23

Proprietary and Confidential

Description (continued)

The device comes in a 16-pin, 4mm x 4mm QFN package and is footprint compatible with Semtech’s GS2974A, GS2974B,

GS2984 and GS2994 equalizers.

Power consumption of the GS3440 is typically 180mW when DC-coupled at 1.2V.

The GS3440 is Pb-free, and the encapsulation compound does not contain halogenated flame retardant.

This component and all homogeneous subcomponents are RoHS compliant.

GS3440 Functional Block Diagram

Equalizer

Output

AGC

SDI

SLEEP

DDO

BYPASS

CD

SDI

DDO

AGC

AGC

SQ_ADJ

Squelch Adjust

Carrier Detect

Mute

DC

Restore

VCC_O

VEE_O

OP_CTL

VCC_A

VEE_A

GAIN_SEL