GS3441 datasheet(4/25 Pages) SEMTECH

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GS3441 Extended Reach 3G/HD/SD Adaptive Cable

Equalizer with Dual Outputs

Final Data Sheet

Rev. 1

GENDOC-056647

May 2013

4 of 25

Proprietary & Confidential

www.semtech.com

1. Pin Out

1.1 GS3441 Pin Assignment

Figure 1-1: GS3441 Pin Out

1.2 GS3441 Pin Descriptions

GAIN_SEL

VEE_A

VEE_O1

GS3441

24-pin QFN

(top view)

DDO1

VEE_O2

DDO2

AGC

Ground Pad

(bottom of package)

SDI

VCC_A

Table 1-1: GS3441 Pin Descriptions

Pin Number

Name

Timing

Type

Description

1VCC_A

Analog

Power

Most positive power supply connection for the input buffer, core

and control circuits.

Connect to +3.3V DC.

VEE_A

Analog

Power

Most negative power supply connection for the input buffer, core

and control circuits

Connect to GND.

3, 4

SDI, SDI

Analog

Input

Serial digital differential input.

GAIN_SEL

Not

Synchronous

Input

Input Sensitivity Control.

Please refer to the input logic parameter in the DC Electrical

Characteristics table for logic level threshold and compatibility. This

pin is a 2.5V input that is tolerant to 3.3V levels.

When HIGH, the device compensates for an additional 6dB of loss

across the entire operating band.

This pin has an internal pull-down resistor.

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