MAX3287

更新时间： 2024-11-25 23:46:07

品牌	Logo	应用领域
美信 - MAXIM		驱动器局域网
页数	文件大小	规格书
27页	1368K
描述
3.0V to 5.5V.1.25Gbps/2.5Gbps LAN Laser Drivers

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MAX3287 数据手册

19-1550; Rev 3; 7/02

3.0V 5.5V, 1.25Gbps/2.5Gbps

LAN Laser Drivers

General Description

Features

The MAX3286/MAX3296 series of products are high-

speed laser drivers for fiber optic LAN transmitters,

optimized for Gigabit Ethernet applications. Each

device contains a bias generator, laser modulator, and

comprehensive safety features. Automatic power con-

trol (APC) adjusts the laser bias current to maintain

average optical power at a constant level, regardless of

changes in temperature or laser properties. For lasers

without a monitor photodiode, these products offer a

constant-current mode. The circuit can be configured

for use with conventional shortwave (780nm to 850nm)

or longwave (1300nm) laser diodes, as well as vertical-

cavity surface-emitting lasers (VCSELs).

ꢀ 7ps Deterministic Jitter (MAX3296)

22ps Deterministic Jitter (MAX3286)

ꢀ +3.0V to +5.5V Supply Voltage

ꢀ Selectable Laser Pinning (Common Cathode or

Common Anode) (MAX3286/MAX3296)

ꢀ 30mA Laser Modulation Current

ꢀ Temperature Compensation of Modulation

Current

ꢀ Automatic Laser Power Control or Constant Bias

Current

The MAX3286 series (MAX3286–MAX3289) is opti-

mized for operation at 1.25Gbps, and the MAX3296

series (MAX3296–MAX3299) is optimized for 2.5Gbps

operation. Each device can switch 30mA of laser mod-

ulation current at the specified data rate. Adjustable

temperature compensation is provided to keep the opti-

cal extinction ratio within specifications over the operat-

ing temperature range. This series of devices is

optimized to drive lasers packaged in low-cost TO-46

headers. Deterministic jitter (DJ) for the MAX3286 is

typically 22ps, allowing a 72% margin to Gigabit

Ethernet DJ specifications.

ꢀ Integrated Safety Circuits

ꢀ Power-On Reset Signal

ꢀ QFN Package Available

Ordering Information

PART

TEMP RANGE

0°C to +70°C

PIN-PACKAGE

28 QFN (5mm x 5mm)**

32 TQFP (5mm x 5mm)

Dice*

MAX3286CGI

MAX3286CHJ

MAX3286C/D

Ordering Information continued at end of data sheet.

*Dice are designed to operate from T = 0°C to +110°C, but are

These laser drivers provide extensive safety features to

guarantee single-point fault tolerance. Safety features

include dual enable inputs, dual shutdown circuits, and

a laser-power monitor. The safety circuit detects faults

that could cause dangerous light output levels. A pro-

grammable power-on reset pulse initializes the laser

driver at startup.

tested and guaranteed only at T = +25°C.

**Exposed pad.

Pin Configurations

TOP VIEW

GND

The MAX3286/MAX3296 are available in a compact, 5mm

GND

5mm, 28-pin QFN package; a 5mm 5mm, 32-pin

TQFP package; or in die form. The MAX3287/MAX3288/

MAX3289 and MAX3297/MAX3298/MAX3299 are avail-

able in a 16-pin TSSOP-EP package.

FAULT

POR

21 BIASDRV

20 SHDNDRV

19 GND

Applications

MAX3286

MAX3296

GND

18 MON

17 MD

Gigabit Ethernet Optical Transmitter

Fibre Channel Optical Transmitter

ATM LAN Optical Transmitter

16 POL

PORDLY

15 POL

GND

Typical Application Circuits and Selector Guide appear at

end of data sheet.

QFN*

*Exposed pad is connected to GND.

Pin Configurations continued at end of data sheet.

________________________________________________________________ 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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与MAX3287相关器件

型号	品牌	获取价格	描述	数据表
MAX3287CUE	MAXIM	获取价格	3.0V to 5.5V, 1.25Gbps/2.5Gbps LAN Laser Drivers
MAX3287CUE+	MAXIM	获取价格	暂无描述
MAX3287CUE-T	MAXIM	获取价格	Interface Circuit, BIPolar, TSSOP-16
MAX3287EVKIT	MAXIM	获取价格	Evaluation Kit for the MAX3287/MAX3288/MAX3297/MAX3298 Shortwave or VCSEL (Common Cathode)
MAX3288	MAXIM	获取价格	Dual-Output (Positive and Negative).DC-DC Converter for CCD and LCD[MAX685/MAX685C/D/MAX68
MAX3288CUE	MAXIM	获取价格	3.0V to 5.5V, 1.25Gbps/2.5Gbps LAN Laser Drivers
MAX3288CUE+	MAXIM	获取价格	Interface Circuit, PDSO16, 4.40 MM, 0.65 MM PITCH, MO-153AB, TSSOP-16
MAX3288CUE+T	MAXIM	获取价格	Interface Circuit, PDSO16, 4.40 MM, 0.65 MM PITCH, MO-153AB, TSSOP-16
MAX3288CUE-T	MAXIM	获取价格	Interface Circuit, BIPolar, TSSOP-16
MAX3289	MAXIM	获取价格	3.0V to 5.5V.1.25Gbps/2.5Gbps LAN Laser Drivers

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