MAX3805

更新时间： 2024-11-08 22:12:47

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描述
10.7Gbps Adaptive Receive Equalizer

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数据手册

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MAX3805 数据手册

19-2936; Rev 0; 7/03

10.7Gbps Adaptive Receive Equalizer

General Description

Features

The MAX3805 is designed to provide up to 30in

(0.75m) reach on 6-mil differential FR-4 transmission

line, or up to 24ft (8m) on RG-188A/U type coaxial

cable, for PRBS data from 9.95Gbps to 10.7Gbps. The

MAX3805 adaptive equalizer reduces intersymbol inter-

ference, resulting in 20ps residual jitter after equaliza-

tion. An internal feedback network controls the

equalizer to automatically match frequency-dependent

skin effect and dielectric losses. The MAX3805 pro-

vides LVCMOS-compatible output-enable and signal-

detect functions.

ꢀ 3mm x 3mm Package

ꢀ Spans 30in (0.75m) of 6-mil FR-4

ꢀ Spans 24ft (8m) of Coax

ꢀ Automatic Receive Equalization to Reduce ISI

Caused by Path Losses

ꢀ Up to 10.7Gbps NRZ Data Operating Range

ꢀ Signal-Detect Output

ꢀ Output-Enable Control

The MAX3805 has separate supply connections for the

internal logic and I/O circuits. This allows the current-

mode logic (CML) input and CML output to be connect-

ed to isolated supplies for independent DC-coupled

interfaces to 1.8V, 2.5V, or 3.3V ICs. The MAX3805

comes in a very small 3mm x 3mm package and con-

sumes only 135mW.

ꢀ 135mW Power Consumption

ꢀ DC-Coupled Input and Output to Terminations as

Low as 1.65V

ꢀ Differential or Single-Ended Operation

ꢀ +3.3V Core Power Supply

Ordering Information

Applications

PIN-

PACKAGE

CODE

PART

TEMP RANGE

OC-192, 10GbE Switches and Routers

OC-192, 10GbE Serial Modules

High-Speed Signal Distribution

MAX3805ETE -40°C to +85°C 16 Thin QFN

T1633F-3

Pin Configuration appears at end of data sheet.

Typical Operating Circuit

LINE CARD

SWITCH CARD

2.5V

1.8V

+3.3V

10Gbps

CDR/SERDES

10Gbps

SWITCH

CC1

CC2

MAX3805

SDI

FR-4 STRIPLINE

SDO

SD EN

+3.3V

MAX3805

FR-4 STRIPLINE

SDO

SDI

CC2

SD EN V

CC1

2.5V

1.8V

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

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