MAX3799ETJ

更新时间： 2024-11-06 13:10:31

品牌	Logo	应用领域
美信 - MAXIM		驱动器放大器
页数	文件大小	规格书
35页	1239K
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MAX3799ETJ 数据手册

19-4695; Rev 0; 8/09

1Gbps to 14Gbps, SFP+ Multirate Limiting

Amplifier and VCSEL Driver

MAX379

General Description

Features

The MAX3799 is a highly integrated limiting amplifier

and VCSEL driver that operates up to 14Gbps, making

it suitable for Ethernet and Fibre Channel applications.

By providing a selectable data path with a noise-shap-

ing filter, the MAX3799 enables a module with 10G

optics to be fully compliant with both 1000BASE-SR

and 10GBASE-SR specifications. Operating from a sin-

gle +3.3V supply, this low-power integrated limiting

amplifier and VCSEL driver IC enables a platform

design for SFP MSA as well as for SFP+ MSA-based

optical transceivers. The high-sensitivity limiting ampli-

fier limits the differential input signal generated by a

transimpedance amplifier into a CML-level differential

output signal. The compact VCSEL driver provides a

modulation and a bias current for a VCSEL diode. The

optical average power is controlled by an average

power control (APC) loop implemented by a controller

that interfaces to the VCSEL driver through a 3-wire

digital interface. All differential I/Os are optimally back-

terminated for a 50Ω transmission line PCB design.

♦ Enables Single-Module Design Compliance with

1000BASE-SR and 10GBASE-SR Specifications

♦ -21.5dBm Optical Sensitivity at 1.25Gbps Using a

10.32Gbps ROSA (-19.7dBm OMA)

♦ Low Power Dissipation of 320mW at 3.3V Power

Supply

♦ Typical Electrical Performance of 14.025Gbps on

Rx/Tx (Non-Retimed 16x Fibre Channel Solution)

♦ 3mV

Receiver Sensitivity at 10.32Gbps

P-P

♦ 4ps

DJ at Receiver Output at 8.5Gbps 8B/10B

P-P

DJ at Receiver Output at 10.32Gbps

- 1 PRBS

P-P

♦ 26ps Rise and Fall Time at Rx/Tx Output

♦ Rate Select for 1Gbps Mode or 10Gbps Mode

♦ CML Output Squelch

The use of a 3-wire digital interface reduces the pin

count while enabling advanced Rx (rate selection, LOS

threshold, LOS squelch, LOS polarity, CML output level,

signal path polarity, deemphasis, and fast mode-select

change time) and Tx settings (modulation current, bias

current, polarity, and eye safety control) without the

need for external components. The MAX3799 provides

multiple current and voltage DACs to allow the use of

low-cost controller ICs.

♦ Polarity Select for Rx and Tx

♦ LOS Assert Level Adjustment

♦ LOS Polarity Select

♦ Modulation Current Up to 12mA Into 100Ω

Differential Load

♦ Bias Current Up to 15mA

The MAX3799 is packaged in a lead-free, 5mm x 5mm,

32-pin TQFN package.

♦ Integrated Eye Safety Features

♦ 3-Wire Digital Interface

♦ Programmable Deemphasis at Tx Output

Applications

1000BASE-SR/10GBASE-SR Multirate SFP+

Optical Transceiver

Ordering Information

1x/2x/4x/8x/16x SFF/SFP/SFP+ MSA Fibre

Channel (FC) Optical Transceiver

PART

TEMP RANGE

PIN-PACKAGE

MAX3799ETJ+

-40°C to +85°C

32 TQFN-EP*

+Denotes a lead(Pb)-free/RoHS-compliant package.

*EP = Exposed pad.

Typical Application Circuit and Pin Configuration appear at

end of data sheet.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

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与MAX3799ETJ相关器件

型号	品牌	获取价格	描述	数据表
MAX3799ETJ+	MAXIM	获取价格	1Gbps to 14Gbps, SFP+ Multirate Limiting Amplifier and VCSEL Driver
MAX379C/D	MAXIM	获取价格	High-Voltage, Fault-Protected Analog Multiplexers
MAX379CJE	MAXIM	获取价格	High-Voltage, Fault-Protected Analog Multiplexers
MAX379CPE	MAXIM	获取价格	High-Voltage, Fault-Protected Analog Multiplexers
MAX379CWE	MAXIM	获取价格	4-Channel Analog Multiplexer
MAX379CWG	MAXIM	获取价格	High-Voltage, Fault-Protected Analog Multiplexers
MAX379CWG+	MAXIM	获取价格	暂无描述
MAX379EJE	MAXIM	获取价格	High-Voltage, Fault-Protected Analog Multiplexers
MAX379EPE	MAXIM	获取价格	High-Voltage, Fault-Protected Analog Multiplexers
MAX379EWE	MAXIM	获取价格	4-Channel Analog Multiplexer

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