MAX3746ETE Maxim Integrated Products, MAX3746ETE Datasheet

MAX3746ETE

Manufacturer Part Number

MAX3746ETE

Description

Limiting Amplifiers 622Mbps to 3.2Gbps

Manufacturer

Maxim Integrated Products

Datasheets

1.MAX3746ETE.pdf (13 pages)

2.MAX3746ETE.pdf (12 pages)

3.MAX3746ETE.pdf (12 pages)

Specifications of MAX3746ETE

Operating Supply Voltage

3.3 V

Supply Current

35 mA

Operating Temperature Range

+ 85 C

Package / Case

TQFN EP

Mounting Style

SMD/SMT

Number Of Channels

Power Dissipation

1400 mW

Lead Free Status / Rohs Status

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The MAX3746 multirate limiting amplifier functions as a

data quantizer for SONET, Fibre-Channel, and Gigabit

Ethernet optical receivers. The amplifier accepts a wide

range of input voltages and provides selectable-level,

current-mode logic (CML) output voltages with con-

trolled edge speeds. A received-signal-strength indica-

tor (RSSI) is available when the MAX3746 is

DC-coupled to the MAX3744/MAX3724 SFP transim-

pedance amplifier (TIA). A receiver consisting of the

MAX3744/MAX3724 and the MAX3746 can provide up

to 19dB RSSI dynamic range. Additional features

include a programmable loss-of-signal (LOS) detect, an

optional disable function (DISABLE), and an

output-signal polarity reversal (OUTPOL). Output dis-

able can be used to implement squelch.

The combination of the MAX3746 and the MAX3744/

MAX3724 allows for the implementation of all the small-

form-factor SFF-8472 digital diagnostic specifications

using a standard 4-pin TO-46 header.

The MAX3746 is pin-for-pin compatible with the

MAX3748A limiting amplifier and consumes 30% less

power. The MAX3746 is packaged in a 3mm x 3mm,

16-pin QFN package.

19-3386; Rev 0; 8/04

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.

Gigabit Ethernet SFF/SFP Transceiver Modules

Fibre-Channel SFF/SFP Transceiver Modules

Multirate OC-12 to OC48-FEC SFF/SFP

Transceiver Modules

________________________________________________________________ Maxim Integrated Products

4-PIN TO HEADER

General Description

3-INPUT DIAGNOSTIC

MONITOR

DS1859

MAX3744 TIA

3kΩ

Applications

Low-Power, 622Mbps to 3.2Gbps

0.1µF

IN+

IN-

RSSI

SFP OPTICAL RECEIVER

OUTPOL

MAX3746

= 14kΩ

GND

Pin Configuration appears at end of data sheet.

Typical Operating Circuits continued at end of data sheet.

MAX3746ETE -40°C to +85°C 16 QFN

SFP Reference Design Available

Low 115mW Power Consumption

16-Pin QFN Package with 3mm x 3mm Footprint

70ps Rise and Fall Time

Loss-of-Signal with Programmable Threshold

RSSI Interface (with MAX3744/MAX3724 TIA)

Output Disable

Polarity Select

8.4ps

Improved EMI Performance

Selectable CML Output levels

Pin Compatible with MAX3748A

DISABLE

PART

P-P

LOS

OUT+

OUT-

Deterministic Jitter (3.2Gbps)

SUPPLY FILTER

Limiting Amplifier

Typical Operating Circuits

TEMP RANGE PIN-PACKAGE PKG CODE

0.1µF

Ordering Information

4.7kΩ TO 10kΩ

50Ω

HOST BOARD

HOST FILTER

2.97V TO 3.6V

LOS

SERDES

_RX

Features

T1633F-3

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