MAX3669

更新时间： 2024-11-28 22:55:23

品牌	Logo	应用领域
美信 - MAXIM		驱动器 PC
页数	文件大小	规格书
12页	759K
描述
+3.3V, 622Mbps SDH/SONET Laser Driver with Current Monitors and APC

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MAX3669 数据手册

19-1575; Rev 0; 10/99

+3.3V, 622Mbps SDH/SONET

Laser Driver with Current Monitors and APC

General Description

Features

The MAX3669 is a complete, +3.3V laser driver with auto-

matic power control (APC) circuitry for SDH/SONET appli-

cations up to 622Mbps. It accepts differential PECL

inputs, provides bias and modulation currents, and oper-

ates over a temperature range from -40°C to +85°C.

ꢀ +3.3V or +5.0V Single-Supply Operation

ꢀ 40mA Supply Current at +3.3V

ꢀ Programmable Bias Current from 1mA to 80mA

ꢀ Programmable Modulation Current from

5mA to 75mA

ꢀ Bias Current and Modulation Current Monitors

ꢀ 200ps Rise/Fall Time

ꢀ Automatic Average Power Control with Failure

Monitor

ꢀ Complies with ANSI, ITU, and Bellcore

SONET/SDH Specifications

An APC feedback loop is incorporated to maintain a

constant average optical power over temperature and

lifetime. The wide modulation current range from 5mA

to 75mA and bias current of 1mA to 80mA are easy to

program, making this product ideal for use in various

SDH/SONET applications. Two pins are provided to

monitor the current levels in the laser: BIASMON with

current proportional to laser bias current, and MOD-

MON with current proportional to laser modulation.

ꢀ Enable Control

The MAX3669 also provides enable control and a failure-

monitor output to indicate when the APC loop is unable to

maintain the average optical power. The MAX3669 is

available in a 5mm 32-pin TQFP package as well as in

dice.

Ordering Information

PART

TEMP. RANGE

-40°C to +85°C

(Note A)

PIN-PACKAGE

32 TQFP (5mm x 5mm)

Dice*

MAX3669EHJ

MAX3669E/D

Applications

622Mbps SDH/SONET Access Nodes

Laser Driver Transmitters

Note A: Dice are designed to operate over a -40°C to +140°C

junction temperature (T ) range, but are tested and guaranteed

at T = +25°C.

*Contact factory for availability.

Pin Configuration appears at end of data sheet.

Section Regenerators

Typical Application Circuit

+3.3V

LASER

R-

6.3Ω

124Ω

R+

20Ω

DATA+

DATA-

OUT-

5Ω

MAX3693

PECL

OUT+

1µF

4:1

MAX3669

FILT

20Ω

SERIALIZER

WITH

84.5Ω

FILT

5pF

CLOCK GEN

BIASMON

MODMON

BIAS

FERRITE

BEAD

1000pF

0.1µF

+3.3V

________________________________________________________________ Maxim Integrated Products

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.

For small orders, phone 1-800-835-8769.

12 3 4 5 6 7...12

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与MAX3669相关器件

型号	品牌	获取价格	描述	数据表
MAX3669_05	MAXIM	获取价格	+3.3V, 622Mbps SDH/SONET Laser Driver with Current Monitors and APC
MAX3669E/D	MAXIM	获取价格	+3.3V, 622Mbps SDH/SONET Laser Driver with Current Monitors and APC
MAX3669EHJ	MAXIM	获取价格	+3.3V, 622Mbps SDH/SONET Laser Driver with Current Monitors and APC
MAX3669EHJ+	MAXIM	获取价格	+3.3V, 622Mbps SDH/SONET Laser Driver with Current Monitors and APC
MAX3669EHJ+	ROCHESTER	获取价格	SPECIALTY INTERFACE CIRCUIT, PQFP32, 5 X 5 MM, 1 MM HEIGHT, LEAD FREE, MS-026AAA-HD, TQFP-
MAX3669EHJ+T	MAXIM	获取价格	Interface Circuit, PQFP32, 5 X 5 MM, TQFP-32
MAX3669EHJ-T	MAXIM	获取价格	Interface Circuit, PQFP32, 5 X 5 MM, 1 MM HEIGHT, MS-026AAA-HD, TQFP-32
MAX3669ETG	MAXIM	获取价格	+3.3V, 622Mbps SDH/SONET Laser Driver with Current Monitors and APC
MAX3669ETG	ROCHESTER	获取价格	SPECIALTY INTERFACE CIRCUIT, QCC24, 4 X 4 MM, 0.80 MM HEIGHT, MO-220, TQFN-24
MAX3669ETG+	MAXIM	获取价格	+3.3V, 622Mbps SDH/SONET Laser Driver with Current Monitors and APC

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