MAX3795ETG

更新时间： 2024-11-21 11:17:23

品牌	Logo	应用领域
美信 - MAXIM		驱动器监视器
页数	文件大小	规格书
15页	783K
描述
1Gbps to 4.25Gbps Multirate VCSEL Driver with Diagnostic Monitors

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MAX3795ETG 数据手册

19-3387; Rev 0; 8/04

1Gbps to 4.25Gbps Multirate VCSEL

Driver with Diagnostic Monitors

General Description

Features

The MAX3795 is a high-speed VCSEL driver for small-

form-factor (SFF) and small-form-factor pluggable (SFP)

fiber optic transmitters. It contains a bias generator, a

laser modulator, and comprehensive safety features.

The automatic power control (APC) adjusts the laser

bias current to maintain average optical power over

changes in temperature and laser properties. The dri-

ver accommodates common-cathode and differential

configurations.

♦ Supports All SFF-8472 Digital Diagnostics

♦ 3.3V ±±10 Singlꢀ Supplꢁ

♦ 2mA to ±5mA Modulation Currꢀnt

♦ ±mA to ±5mA Bias Currꢀnt

♦ 52ps Transition Timꢀ

♦ 8.4ps Dꢀtꢀrministic Jittꢀr

♦ Optional Pꢀaking Currꢀnt to Improvꢀ VCSEL Edgꢀ

The MAX3795 operates up to 4.25Gbps. It can switch

up to 15mA of laser modulation current and source up

to 15mA of bias current. Adjustable temperature com-

pensation is provided to keep the optical extinction

ratio within specifications over the operating tempera-

ture range. The MAX3795 interfaces with the Dallas

DS1856/DS1859 to meet SFF-8472 timing and diagnos-

tic requirements. The MAX3795 accommodates various

VCSEL packages, including low-cost TO-46 headers.

Spꢀꢀd

♦ Supports Common-Cathodꢀ and Diffꢀrꢀntial

Configuration

♦ Safꢀtꢁ Circuits Compliant with SFF and SFP

MSAs

♦ Pin Compatiblꢀ to MAX3741A

The MAX3795 safety circuit detects faults that could

cause hazardous light levels and disables the VCSEL

output. The safety circuits are compliant with SFF and

SFP multisource agreements (MSAs).

Ordering Information

PART

TEMP RANGE PIN-PACKAGE

The MAX3795 is available in a compact 4mm ✕ 4mm,

24-pin thin QFN package and operates over the -40°C

to +85°C temperature range. The MAX3795 is pin-for-

pin compatible with the MAX3740A and is available in

lead-free packages.

MAX3795ETG

-40°C to +85°C 24 Thin QFN (4mm x 4mm)

MAX3795ETG+ -40°C to +85°C 24 Thin QFN (4mm x 4mm)

+Denotes lead-free package.

Pin Configuration

Applications

Multirate (1Gbps to 4.25Gbps) SFP/SFF Modules

Gigabit Ethernet Optical Transmitters

Fibre-Channel Optical Transmitters

TOP VIEW

GND

TX_DISABLE

IN+

18 BIAS

17 BIASSET

MAX3795

IN-

15 OUT+

14 OUT-

FAULT

SQUELCH

GND

THIN QFN (4mm x 4mm)

EXPOSED PAD IS CONNECTED TO GND

________________________________________________________________ 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.

12 3 4 5 6 7...15

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MAX3795ETG 替代型号

型号	品牌	替代类型	描述	数据表
MAX3740AETG+T	MAXIM	功能相似	Interface Circuit, BIPolar, 4 X 4 MM, 0.80 MM PITCH, QFN-24
MAX3740AETG-T	MAXIM	功能相似	Interface Circuit, BIPolar, 4 X 4 MM, 0.80 MM PITCH, QFN-24
MAX3740AETG+	MAXIM	功能相似	3.2Gbps SFP VCSEL Driver with Diagnostic Monitors

与MAX3795ETG相关器件

型号	品牌	获取价格	描述	数据表
MAX3795ETG+	MAXIM	获取价格	暂无描述
MAX3795ETG+T	MAXIM	获取价格	Interface Circuit, BIPolar, 4 X 4 MM, 0.80 MM HEIGHT, LEAD FREE, TQFN-24
MAX3795ETG-T	MAXIM	获取价格	Interface Circuit, BIPolar, 4 X 4 MM, 0.80 MM HEIGHT, TQFN-24
MAX3797E/D+	MAXIM	获取价格	Telecom Circuit, 1-Func, Bipolar, 1 X 0.76 MM, DIE
MAX3798	MAXIM	获取价格	1.0625Gbps to 10.32Gbps, Integrated, Low-Power SFP+ Limiting Amplifier and VCSEL Driver
MAX3798ETJ+	MAXIM	获取价格	1.0625Gbps to 10.32Gbps, Integrated, Low-Power SFP+ Limiting Amplifier and VCSEL Driver
MAX3799	MAXIM	获取价格	1Gbps to 14Gbps, SFP+ Multirate Limiting Amplifier and VCSEL Driver
MAX3799	ADI	获取价格	1Gbps至14Gbps、SFP+多速率限幅放大器和VCSEL驱动器
MAX3799_10	MAXIM	获取价格	1Gbps to 14Gbps, SFP Multirate Limiting Amplifier and VCSEL Driver
MAX3799E/D	MAXIM	获取价格	1Gbps to 14Gbps, SFP+ Multirate Limiting Amplifier and VCSEL Driver

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