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SY88313BLEYTR PDF预览

SY88313BLEYTR

更新时间: 2024-09-15 03:22:11
品牌 Logo 应用领域
麦瑞 - MICREL 放大器
页数 文件大小 规格书
10页 383K
描述
3.3V, 3.2Gbps CML Low-Power Limiting Post Amplifier with TTL Loss-of-Signal

SY88313BLEYTR 数据手册

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SY88313BL  
3.3V, 3.2Gbps CML Low-Power Limiting Post  
Amplifier with TTL Loss-of-Signal  
General Description  
Features  
The SY88313BL low-power limiting post amplifier is  
designed for use in fiber-optic receivers. The device  
connects to typical transimpedance amplifiers (TIAs).  
The linear signal output from TIAs can contain  
significant amounts of noise and may vary in amplitude  
over time. The SY88313BL quantizes these signals and  
outputs CML-level waveforms.  
Single 3.3V power supply  
DC to 3.2Gbps operation  
Low-noise CML data outputs  
Chatter-free Open-Collector TTL loss-of-signal  
(LOS) output with internal 4.75kpull-up  
resistor  
The SY88313BL operates from a single +3.3V ±10%  
supply, over temperatures ranging from –40°C to +85°C.  
With its wide bandwidth and high gain, signals with data  
rates up to 3.2Gbps, and as small as 10mVPP, can be  
amplified to drive devices with CML inputs or AC-  
coupled CML/PECL inputs.  
TTL /EN input  
Internal 50input termination  
Programmable LOS level set (LOSLVL)  
Ideal for multi-rate applications  
Available in a tiny 10-pin EPAD MSOP and  
16-pin MLF® package  
The SY88313BL generates a loss-of-signal (LOS) open-  
collector TTL output. A programmable loss-of-signal  
level set pin (LOSLVL) sets the sensitivity of the input  
amplitude detection. LOS asserts high if the input  
amplitude falls below the threshold set by LOSLVL and  
de-asserts low otherwise. The enable bar input (/EN)  
de-asserts the true output signal without removing the  
input signal. The LOS output can be fed back to the /EN  
input to maintain output stability under a loss-of-signal  
condition. Typically, 3.4dB LOS hysteresis is provided to  
prevent chattering.  
Applications  
APON/BPON, GEPON, EPON, and GPON  
Gigabit Ethernet  
Fibre Channel  
OC-3/12/24/48 SONET/SDH  
High-gain line driver and line receiver  
Low-gain TIA interface  
Datasheet and support documentation cab be found on  
Micrel’s web site at: www.micrel.com.  
Markets  
FTTP/FTTH  
Datacom/Telecom  
Optical Transceivers  
_______________________________________________________________________________________________________  
Typical Application  
MLF and MicroLeadFrame are registered trademarks of Amkor Technology  
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com  
M9999-021207-B  
hbwhelp@micrel.com or (408) 955-1690  
February 2007  

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