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SY88403BL PDF预览

SY88403BL

更新时间: 2024-09-16 04:30:07
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页数 文件大小 规格书
12页 543K
描述
3.3V 4.25Gbps CML Low-Power Limiting Post Amplifier with TTL LOS

SY88403BL 数据手册

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SY88403BL  
3.3V 4.25Gbps CML Low-Power Limiting  
Post Amplifier with TTL LOS  
General Description  
Features  
The SY88403BL is a low-power limiting post amplifier  
optimized for copper applications. 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 SY88403BL quantizes these  
signals and outputs typically 800mVPP voltage-limited  
waveforms.  
Multi-rate up to 4.25Gbps operation  
20mVPP input sensitivity  
Low noise 50CML data outputs  
– 800mVpp output swing  
– 60ps edge rates  
– 1psRMS typ. random jitter  
– 10psPP typ. deterministic jitter  
The SY88403BL operates from a single +3.3V ±10%  
power supply, over an industrial temperature range of  
–40°C to +85°C. With its wide bandwidth and high  
gain, signals with data rates up to 4.25Gbps and as  
small as 20mVPP can be amplified to drive devices  
with CML inputs or AC-coupled PECL inputs.  
Chatter-free Loss-of-Signal (LOS) output  
– 3.5dB electrical hysteresis  
– OC-TTL output with internal 4.75kpull-up  
resistor  
Programmable LOS sensitivity using single  
The SY88403BL incorporates a loss-of-signal (LOS)  
open-collector TTL output with internal 4.75kpull-up  
resistor. 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. LOS can be fed back to the enable bar  
(/EN) input to maintain output stability under a loss of  
signal condition. /EN de-asserts the true output signal  
without removing the input signal. Typically 3.5dB  
LOS hysteresis is provided to prevent chattering.  
external resistor  
Internal 50data input termination  
TTL /EN input allows feedback from LOS  
Wide operating range:  
– Single 3.3V ±10% power supply  
– Industrial temperature range: –40°C to +85°C  
Available in a 10-pin EPAD-MSOP and 16-pin  
MLF® package  
Applications  
All support documentation can be found on Micrel’s  
web site at: www.micrel.com.  
1.062Gbps, 2.125Gbps and 4.25Gbps Fibre  
Channel  
Cable driver  
Typical Performance  
Small form factor (SFF) and small form factor  
pluggable (SFP) transceivers  
High-gain line driver and line receiver  
Markets  
Copper interconnect  
Datacom and telecom  
Storage area network (SAN)  
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  
M9999-021707-D  
hbwhelp@micrel.com or (408) 955-1690  
February 2007  

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