Datasheet > SY88432LMGTR

SY88432LMGTR

更新时间： 2024-11-07 01:13:07

品牌	Logo	应用领域
麦瑞 - MICREL		/
页数	文件大小	规格书
15页	819K
描述
4.25 Gbps Transceiver with Integrated FP/DFP Laser Diode Driver and Limiting Post Amplifier

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SY88432LMGTR 数据手册

SY88432L

4.25 Gbps Transceiver with Integrated FP/DFP Laser

Diode Driver and Limiting Post Amplifier

General Description

Features



Multi-rate operation up to 4.25Gbps

Single, wide range power supply: 3.3V 10%

Industrial temp range: -40°C to +85°C

MIC3003 compatible

The SY88432L is a low power transceiver device that

integrates a 4.25Gbps FP/DFB laser diode driver with a

wide-sensitivity limiting post amplifier. This low power

device is designed for use in fiber-optic optical modules

for multi-rate applications up to 4.25Gbps.

The SY88432L transmitter section can output up to

60mA of modulation current with fast rise and fall times

and is designed to be AC-coupled to the laser. The

transmitter output stage incorporates a transmit disable

feature and integrated 50Ω input impedance referenced

to V_CC.

Transmitter – FP/DFP Laser Diode Driver



Modulation current up to 60mA

- AC coupled laser diode modulation

- Voltage controlled modulation current

Rise/Fall times 65ps (typical)



The receiver section’s limiting post amplifier connects to

a typical trans-impedance amplifier (TIA) to amplify the

incoming weak signal from the ROSA and outputs

normalized received data in CML format at the output.

TX Disable with internal 75kΩ pull down resistor

Integrated 50Ω input impedance to V_CC

Receiver – Limiting Post Amplifier

The receiver offers a wide LOS (Loss Of Signal) Assert



Wide differential input range (10mVpp – 1800mVpp)

Programmable LOS level (LOSLVL) sensitivity

Wide LOS Assert range (8mVpp – 40mVpp)

- With 3.5dB typical electrical hysteresis

Selectable LOS or SD output

range between 8mV_PPto 40mV_PPdifferential.

programmable loss-of-signal level set pin (LOSLVL) sets

the sensitivity of the input amplitude detection. The LOS

or SD (signal-detect) is user selectable and the LOS/SD

signal can be fed back to the JAM input to implement

the SQUELCH function that maintains output stability

under a loss-of-signal condition. The receiver input

should be AC-coupled.



TTL compatible JAM input with internal pull up

Low-noise CML data outputs with integrated 50Ω

termination impedance

The SY88432L interfaces with Micrel’s highly advanced

optical module controller MIC3003 as an easy-to-use

chipset solution for CSFP/SFP/CSFF/SFF optical

module applications. The MIC3003 allows for both

modulation and bias current control, with automatic

power control (APC) and temperature compensation.

- Rise/Fall times 60ps (typical)



Low-noise CML data inputs with integrated 50Ω

termination impedance to internal reference V_REF

Applications

The SY88432L operates on a single 3.3V power supply

and is available in a 24 lead, 4x4mm QFN package.



Gigabit Ethernet

Fibre Channel – 1FC, 2FC, 4FC

SONET OC3/12/24/48 and with FEC

SDH STM1/4/8/16 and with FEC

All support documentation can be found on Micrel’s web

site at: www.micrel.com.

Markets



Datacom / Telecom / Storage

Compact SFP/SFF Optical transceiver

SFP/SFF Optical transceiver

Wireless backhaul

Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com

M9999-061312-A

hbwhelp@micrel.com or (408) 955-1690

July 2012

12 3 4 5 6 7...15

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与SY88432LMGTR相关器件

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SY88702	MICREL	获取价格	5V 622Mbps LASER DIODE DRIVER WITH OUTPUT ENABLE
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SY88702KC#N/A	MICROCHIP	获取价格	Interface Circuit
SY88702KCTR	MICREL	获取价格	5V 622Mbps LASER DIODE DRIVER WITH OUTPUT ENABLE
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SY88702KITR	MICREL	获取价格	5V 622Mbps LASER DIODE DRIVER WITH OUTPUT ENABLE
SY88703V	MICREL	获取价格	3.3V/5V 622Mbps PECL LOW-POWER LIMITING POST AMPLIFIER W/TTL LOS
SY88703V_06	MICREL	获取价格	3.3V/5V 622Mbps PECL LOW-POWER LIMITING POST AMPLIFIER W/TTL LOS
SY88703VKC	MICREL	获取价格	3.3V/5V 622Mbps PECL LOW-POWER LIMITING POST AMPLIFIER W/TTL LOS
SY88703VKCTR	MICREL	获取价格	3.3V/5V 622Mbps PECL LOW-POWER LIMITING POST AMPLIFIER W/TTL LOS

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