Datasheet > MAX3798

MAX3798

更新时间： 2024-09-15 05:49:03

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	1134K
描述
1.0625Gbps to 10.32Gbps, Integrated, Low-Power SFP+ Limiting Amplifier and VCSEL Driver

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MAX3798 数据手册

19-4360; Rev 0; 10/08

1.0625Gbps to 10.32Gbps, Integrated, Low-

Power SFP+ Limiting Amplifier and VCSEL Driver

MAX3798

General Description

Features

The MAX3798 is a highly integrated limiting amplifier

and VCSEL driver designed for 1x/2x/4x/8x Fibre

Channel transmission systems at data rates up to

8.5Gbps as well as for 10GBASE-SR transmission sys-

tems at a data rate of 10.3125Gbps. Operating from a

single +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.

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

count while enabling advanced Rx (mode selection,

LOS threshold, LOS squelch, LOS polarity, CML output

level, signal path polarity, slew-rate control, deempha-

sis, and fast mode-select change time) and Tx settings

(modulation current, bias current, polarity, programma-

ble deemphasis, eye-crossing adjustment, and eye

safety control) without the need for external compo-

nents. The MAX3798 provides multiple current and volt-

age DACs to allow the use of low-cost controller ICs.

♦ Low Power Dissipation of 320mW at 3.3V Power

Supply

♦ Up to 10.32Gbps (NRZ) Operation

♦ 3mV

Receiver Sensitivity at 10.32Gbps

P-P

♦ 4ps

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

DJ at Receiver Output at 10.32Gbps

- 1 PRBS

P-P

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

♦ Mode Select for High-Gain Mode and High-

Bandwidth Mode

♦ CML Output Slew-Rate Adjustment for High-Gain

Mode

♦ CML Output with Continuous Level Adjustment

♦ CML Output Squelch

♦ 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

♦ Integrated Eye Safety Features

The MAX3798 is packaged in a lead-free, 5mm x 5mm,

32-pin TQFN package.

♦ Selectable Deemphasis at Rx Output

♦ 3-Wire Digital Interface

Applications

10GBASE-SR SFP+ Optical Transceiver

♦ Eye-Crossing Adjustment of Modulation Output

♦ Programmable Deemphasis at Tx Output

♦ Fast Mode-Select Change Time of 10µs

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

(FC) Optical Transceiver

10GBASE-LR SFP+ Optical Transceiver (1310nm

VCSEL)

Ordering Information

10GBASE-LRM SFP+ Optical Transceiver

(1310nm VCSEL)

PART

TEMP RANGE

PIN-PACKAGE

MAX3798ETJ+

-40°C to +85°C

32 TQFN-EP*

+Denotes a lead-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MAX3798相关器件

型号	品牌	获取价格	描述	数据表
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
MAX3799ETJ	MAXIM	获取价格	暂无描述
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

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