Rainbow-electronics MAX3745 Uživatelský manuál stáhnout pdf

General Description

The MAX3744/MAX3745 transimpedance amplifiers pro-

vide a compact, low-power solution for communication

up to 2.7Gbps. They feature 330nA input-referred noise

at 2.1GHz bandwidth (BW) with 0.85pF input capaci-

tance. The parts also have >2mA

P-P

AC input overload.

Both parts operate from a single +3.3V supply and con-

sume 93mW. The MAX3744/MAX3745 are in a compact

30-mil x 50-mil die and require no external compensa-

tion capacitor. A space-saving filter connection is pro-

vided for positive bias to the photodiode through an

on-chip 580Ω resistor to V

. These features allow

easy assembly into a low-cost TO-46 or TO-56 header

with a photodiode.

The MAX3744 and MAX3748A receiver chip set pro-

vides an RSSI output using a Maxim-proprietary* inter-

face technique. The MAX3744 preamplifier, MAX3748A

postamplifier, and DS1858/DS1859 SFP controller meet

all the SFF-8472 digital diagnostic requirements.

Applications

Up to 2.7Gbps SFF/SFP Optical Receivers

Optimized for Small-Form-Factor Pluggable (SFP)

Optical Receivers

Features

♦ Up to 2.7Gbps (NRZ) Data Rates

♦ RSSI Implementation in 4-Pin TO46 Header

(MAX3744)

♦ 10ps

P-P

Deterministic Jitter for <100µA

P-P

Input

Current

♦ 330nA

RMS

Input-Referred Noise at 2.1GHz

Bandwidth

♦ 28mA Supply Current at +3.3V

♦ 2GHz Small-Signal Bandwidth

♦ 2.0mA

P-P

AC Overload

♦ Die Size: 30 mils x 50 mils

MAX3744/MAX3745

2.7Gbps SFP Transimpedance

Amplifiers with RSSI

________________________________________________________________ Maxim Integrated Products 1

Ordering Information

FILTER

4-PIN TO CAN

400pF

OUT+

OUT-

GND

OUT+

0.1

3.3k

Ω

IN+

IN-

RSSI

DISABLE LOS

OUT-

MAX3748A

SFP OPTICAL RECEIVER

HOST

BOARD

MOD-DEF1

MOD-DEF2

4.7kΩ

10kΩ

MAX3744

DS1858/

DS1859

3.3V

Typical Application Circuit

19-2927; Rev 0; 7/03

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.

**Dice are guaranteed to operate from -40°C to +85°C, but are

tested only at T

= +25°C.

PART TEMP RANGE PIN-PACKAGE

MAX3744E/D -40°C to +85°C Dice**

MAX3745E/D -40°C to +85°C Dice**

*Patent pending

1 2 3 4 5 6 7 8 9 10

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Strany 1 - Amplifiers with RSSI

General DescriptionThe MAX3744/MAX3745 transimpedance amplifiers pro-vide a compact, low-power solution for communicationup to 2.7Gbps. They feature 3

Strany 2

MAX3744/MAX37452.7Gbps SFP Transimpedance Amplifiers with RSSIMaxim cannot assume responsibility for use of any circuitry other than circuitry entirel

Strany 3

MAX3744/MAX37452.7Gbps SFP Transimpedance Amplifiers with RSSI2 ______________________________________________________________________________________

Strany 4

MAX3744/MAX37452.7Gbps SFP Transimpedance Amplifiers with RSSI_______________________________________________________________________________________

Strany 5

MAX3744/MAX37452.7Gbps SFP Transimpedance Amplifiers with RSSI4 ______________________________________________________________________________________

Strany 6

MAX3744/MAX37452.7Gbps SFP Transimpedance Amplifiers with RSSI_______________________________________________________________________________________

Strany 7

MAX3744/MAX37452.7Gbps SFP Transimpedance Amplifiers with RSSI6 ______________________________________________________________________________________

Strany 8

MAX3744/MAX37452.7Gbps SFP Transimpedance Amplifiers with RSSI_______________________________________________________________________________________

Strany 9

MAX3744/MAX37452.7Gbps SFP Transimpedance Amplifiers with RSSI8 ______________________________________________________________________________________

Strany 10

Layout ConsiderationsNoise performance and bandwidth are adversely affect-ed by capacitance at the IN pad. Minimize capacitanceon this pad and select

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Rainbow-electronics MAX3745 Uživatelský manuál

Procházejte online nebo si stáhněte Uživatelský manuál pro Komunikace Rainbow-electronics MAX3745. Rainbow Electronics MAX3745 User Manual Uživatelská příručka

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