Datasheet > MAX3724-MAX3725

MAX3724-MAX3725

更新时间： 2022-11-25 17:32:40

品牌	Logo	应用领域
美信 - MAXIM		放大器
页数	文件大小	规格书
10页	342K
描述
3.2Gbps SFP Transimpedance Amplifiers with RSSI

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MAX3724-MAX3725 数据手册

19-3181; Rev 0; 2/04

3.2Gbps SFP Transimpedance

Amplifiers with RSSI

General Description

Features

The MAX3724/MAX3725 transimpedance amplifiers pro-

vide a compact, low-power solution for communication

up to 3.2Gbps. They feature 325nA input-referred noise

at 2.1GHz bandwidth (BW) with 0.6pF input capaci-

♦ Wider Bandwidth than MAX3744/MAX3745

♦ RSSI Implementation in 4-Pin TO-46 Header

(MAX3724 and MAX3748A)

tance. The parts also have >2mA

AC input overload.

P-P

♦ 8ps

Deterministic Jitter for <100µA

Input

P-P

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

sume 93mW. The MAX3724/MAX3725 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

Current

♦ 325nA

Input-Referred Noise at 2.1GHz

RMS

Bandwidth

♦ 28mA Supply Current at +3.3V

♦ 2.5GHz Small-Signal Bandwidth

on-chip 580Ω resistor to V . These features allow

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

with a photodiode.

♦ 2.0mA

AC Overload

P-P

The MAX3724 and MAX3748A receiver chip set pro-

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

face technique. The MAX3724 preamplifier, MAX3748A

postamplifier, and the DS1858/DS1859 SFP controller

meet all the SFF-8472 digital diagnostic requirements.

♦ Die Size: 30 mils x 50 mils (Identical to the

MAX3744/MAX3745)

Applications

Ordering Information

Up to 3.2Gbps SFF/SFP Optical Receivers

PART

MAX3724E/D

MAX3725E/D

TEMP RANGE

-40°C to +85°C

PIN-PACKAGE

Dice**

Optimized for Small-Form-Factor Pluggable (SFP)

Optical Receivers

Dice**

**Dice are designed to operate with junction temperatures of

*Patent pending.

-40°C to +110°C but are tested and guaranteed only at T

+25°C.

Typical Application Circuit

SFP OPTICAL RECEIVER

400pF

0.1

HOST

BOARD

OUT+

OUT-

IN+

IN-

OUT+

FILTER

MAX3724

OUT-

MAX3748A

= 3.3V

GND

4.7kΩ

RSSI

DISABLE

LOS

4-PIN TO CAN

10kΩ

3.3k

Ω

MOD-DEF1

MOD-DEF2

DS1858/

DS1859

________________________________________________________________ Maxim Integrated Products

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.

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