MAX3748H

NOT RECOMMENDED FOR NEW DESIGNS

Compact, Low-Power, 155Mbps to 4.25Gbps Limiting Amplifier

Compact, 155Mbps to 4.25Gbps Multirate SFF/SFP Limiting Amplifier Functions as a Data Quantizer for SONET, Fibre Channel, and Gigabit Ethernet Optical Receivers

Data Sheet (Rev. 0) Product Selection Table

Part Models: 2
1ku List Price: Starting From $1.93

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Overview

SFP Reference Design Available
16-Pin TQFN Package with 3mm x 3mm Footprint
Single 3.3V Supply Voltage
86ps Rise and Fall Time
Loss of Signal with Programmable Threshold
RSSI Interface (with MAX3744 TIA)
Output Disable
Polarity Select
8.7ps_P-P Deterministic Jitter (4.25Gbps)

The MAX3748H 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 constant-level current-mode logic (CML) output voltages with controlled edge speeds.

A received-signal-strength indicator (RSSI) is available when the MAX3748H is combined with the MAX3744 SFP transimpedance amplifier (TIA). A receiver consisting of the MAX3744 and the MAX3748H 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 disable can be used to implement squelch.

The combination of the MAX3748H and the MAX3744 allows for the implementation of all the small-form-factor SFF-8472 digital diagnostic specifications using a standard 4-pin TO-46 header. The MAX3748H is packaged in a 3mm x 3mm, 16-pin thin QFN package with an exposed pad.

Applications

Fibre Channel SFF/SFP Transceiver Modules
Gigabit Ethernet SFF/SFP Transceiver Modules
Multirate OC-3 to OC-48-FEC SFF/SFP
Transceiver Modules

Part Models: 2
1ku List Price: Starting From $1.93

Documentation

Data Sheet 1

MAX3748H: Compact, Low-Power, 155Mbps to 4.25Gbps Limiting Amplifier Data Sheet (Rev.0) 09/26/2011

Reliability Data 1

MAX3748H Reliability Data 01/12/2023

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
MAX3748HETE+	16-LFCSP-3X3X0.75	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX3748HETE+T	16-LFCSP-3X3X0.75	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Apr 27, 2024 - 2400 ASSEMBLY
		pcn_2400
MAX3748HETE+
MAX3748HETE+T	PRODUCTION
Dec 13, 2013 - 1355 MECHANICAL DATASHEET
		pcn_1355
MAX3748HETE+
MAX3748HETE+T	PRODUCTION

This is the most up-to-date revision of the Data Sheet.

Hardware Ecosystem

Parts	Product Life Cycle	Description
Limiting Amplifiers 1
MAX3748		Compact 155Mbps to 4.25Gbps Limiting Amplifier

Evaluation Kits

Evaluation Board for the MAX3748H

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Features and Benefits

Fully Assembled and Tested
Test Point for Easy LOS Monitoring
Polarity Reversal Control
Selectable Offset Correction Loop Capacitance
Jumpers Allow Quick Selection for LOS Threshold Level

Product Details

The MAX3748H evaluation kit (EV kit) simplifies evaluation of the MAX3748H limiting amplifier. The fully assembled and tested EV kit allows for quick threshold level selections, provides an RSSI output signal (when used with the MAX3744), and includes a calibration circuit.