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Status

Active: In Production.

Description

FULL DATA SHEET (PDF, 240kB) Download   E-Mail The MAX3645 limiting amplifier functions as a data quantizer and is pin compatible with the Mindspeed MC2045-2 and MC2045-2Y postamplifiers. The amplifier accepts a wide range of input voltages and provides constant-level positive emitter-coupled logic (PECL) output voltages with controlled edge speeds. The MAX3645 features an integrated power detector with complementary PECL loss-of-signal (LOS) outputs that indicate when the input power level drops below a programmable threshold. An optional squelch function holds the data outputs at static levels during a LOS condition. The MAX3645 operates from a single +3.3V or +5.0V power supply over a -40°C to +85°C temperature range. It is available in 16-pin SO and 16-pin QSOP packages.

An evaluation kit is available:  MAX3645EVKIT  

Key Features		Applications/Uses
Pin Compatible with the Mindspeed MC2045-2/MC2045-2Y 500µV Input Sensitivity (BER = 10-12) Compatible with 4B/5B Data Coding Programmable LOS Threshold Stable LOS Threshold Over Supply Range Output Disable Function and Automatic Squelch Single +3.3V or +5.0V Power Supply 18mA Supply Current		ESCON Receivers Fast Ethernet Receivers FDDI 125Mbps Receivers FTTx Receivers SONET 155Mbps Transceivers

Key Specifications:  Limiting Amplifiers

Part Number

Target Oper. Range (Gbps)

Data Rate (Mbps)

Data Rate (Mbps)

VSUPPLY (V)

ICC (mA)

I/O Type

Input Sens. (mV)

LOS Sens. (mV)

Edge Speed (ps)

EV Kit

Package/Pins

Smallest Available Pckg. (mm2)

Price

min

max

typ

min

max

max w/pins

See Notes

MAX3645

<1

155

200

3.3 5

18

PECL

1

2

1400

Yes

QSOP/16 SOIC(N)/16

31

$1.80 @1k

See All Limiting Amplifiers (17)

Diagram

Typical Operating Circuit

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Description   Key Features   Applications/Uses   Key Specifications   Diagram

Data Sheet   Application Notes   Design Guides   Engineering Journals   Reliability Reports   Software/Models   Evaluation Kits

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Document Ref.: 19-3026; Rev 1; 2004-12-14
This page last modified: 2007-08-21