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Data Sheet

FULL DATA SHEET (PDF, 372kB) Download   E-Mail

Description

The MAX3748/MAX3748A/MAX3748B multirate limiting amplifiers function 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 MAX3748/MAX3748A are combined with the MAX3744 SFP transimpedance amplifier (TIA). A receiver consisting of the MAX3744 and the MAX3748/MAX3748A 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 MAX3748/MAX3748A 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 MAX3748B has an improved common-mode output for reduced electromagnetic interference. The MAX3748B does not have RSSI functionality. The MAX3748/MAX3748A/MAX3748B are packaged in a 3mm x 3mm, 16-pin thin QFN package with an exposed pad.

Key Features		Applications/Uses
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 8.5psP-P Deterministic Jitter (4.25Gbps)		Fibre Channel SFF/SFP Transceiver Modules Gigabit Ethernet SFF/SFP Transceiver Modules Multirate OC-3 to OC-48-FEC SFF/SFP Transceiver Modules

Diagram

Typical Operating Circuit

Application Notes

Application Note 2135: HFRD-04.0: 2.7Gbps, 1310nm Small Form Factor Pluggable (SFP) Transceiver - MAX3748 Application Note 2360: HFRD-05.0: Multi-Rate (1Gbps - 3.2Gbps) 850nm Small Form Factor Pluggable (SFP) Transceiver - MAX3748 Application Note 3290: HFAN-04.5.3: A Stressed Source for Testing 4Gbps 850nm FC Receivers - MAX3748 Application Note 3376: HFRD-15.0: High-Frequency SFP Host Board (Includes Integrated RS-232 to I²C Conversion) - MAX3748, MAX3748A Application Note 3451: HFRD-16.0: 1Gbps to 4.25Gbps Active Copper SFP Cable Assembly - MAX3748A Application Note 3766: HFTA-12.0: Measuring Crosstalk Penalty in High-Speed Bidirectional Serial Communication Modules - MAX3748A Application Note 3890: Using the DS28CZ04 in an Active Copper SFP Cable Assembly - MAX3748A

Evaluation Kits

MAX3748EVKIT MAX3748AEVKIT MAX3748BEVKIT

Design Guides

FIBER (PDF)

Reliability Reports

Show FIT data for: MAX3748 Reliability Report: MAX3748ETE.pdf MAX3748AETE.pdf Request Reliability Report for: MAX3748B MAX3748H

Software/Models

MAX3748ETE IBIS Model MAX3748AETE IBIS Model MAX3748ETE SPICE Input/Output Model

Ordering Information
Notes: Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales. Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day. Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt. More: SeeFull Data Sheet or Part Naming Conventions. * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.
Devices: 1-6 of 6
MAX3748A	Free Sample	Buy	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX3748AETE			Thin QFN;16 pin; Dwg: 21-0136I (PDF) Use pkgcode/variation: T1633F-3*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX3748AETE-T			Thin QFN;16 pin; Dwg: 21-0136I (PDF) Use pkgcode/variation: T1633F-3*	-40°C to +85°C	RoHS/Lead-Free: No Materials Analysis
MAX3748B	Free Sample	Buy	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX3748BETE#G16			THIN QFN;16 pin; Dwg: 21-0136I (PDF) Use pkgcode/variation: T1633FH-3*	-40°C to +85°C	RoHS/Lead-Free: RoHS Qualified Materials Analysis
MAX3748BETE#TG16			THIN QFN;16 pin; Dwg: 21-0136I (PDF) Use pkgcode/variation: T1633FH-3*	-40°C to +85°C	RoHS/Lead-Free: RoHS Qualified Materials Analysis
MAX3748H	Free Sample	Buy	Package: TYPE PINS FOOTPRINT   DRAWING CODE/VAR *	Temp	RoHS/Lead-Free? Materials Analysis
MAX3748HETE#TG16			THIN QFN;16 pin; Dwg: 21-0136I (PDF) Use pkgcode/variation: T1633FH-3*	-40°C to +85°C	RoHS/Lead-Free: RoHS Qualified Materials Analysis
MAX3748HETE#G16			THIN QFN;16 pin; Dwg: 21-0136I (PDF) Use pkgcode/variation: T1633FH-3*	-40°C to +85°C	RoHS/Lead-Free: RoHS Qualified Materials Analysis

More Information

Topmark Coding: MAX3748 New Product Press Release 2003-02-06

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Description   Key Features   Applications/Uses   Key Specifications   Diagram

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