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Micrel Semiconductor
Micrel Semiconductor

SY88343DL Datasheet Preview

SY88343DL Datasheet

CML Limiting Post Amplifier

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SY88343DL pdf
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SY88343DL
3.3V, 3.2Gbps CML Limiting Post Amplifier
with High-Gain TTL Loss-of-Signal
General Description
The SY88343DL low-power, high-sensitivity, 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 SY88343DL quantizes these
signals and outputs CML level waveforms.
The SY88343DL operates from a single +3.3V power
supply, over temperatures ranging from –40oC to +85oC.
With its wide bandwidth, high gain, and signals with data
rates up to 3.2Gbps and as small as 5mVPP can be
amplified to drive devices with CML inputs or AC-
coupled CML/PECL inputs.
The SY88343DL generates a high-gain loss-of-signal
(LOS) open-collector TTL output. This function has a
high-gain input stage for increased LOS sensitivity. 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, 3.5dB LOS hysteresis is provided to prevent
chattering.
All support documentation can be found on Micrel’s web
site at: www.micrel.com.
Features
Single 3.3V power supply
155Mbps to 3.2Gbps operation
Low-noise CML data outputs
High-gain LOS
Chatter-free open-collector TTL Loss-of-Signal (LOS)
output with internal 4.75kpull-up resistor
TTL /EN input
Programmable LOS level set (LOSLVL)
Ideal for mutil-rate applications
Available in a tiny (3mm X 3mm) 16-pin MLF®
package
Applications
APON, BPON, EPON, GEPON, and GPON
Gigabit Ethernet
1X and 2X Fibre Channel
SONET/SDH : OC 3/12/24/48 – STM 1/4/8/16
High-gain line driver and line receiver
Markets
FTTP
Optical transceivers
Datacom/Telecom
Low-gain TIA interface
Long reach FOM
MLF and MicroLeadFrame are registered trademarks of Amkor Technology, Inc.
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
April 2006
M9999-040606-A
hbwhelp@micrel.com or (408) 955-1690



Micrel Semiconductor
Micrel Semiconductor

SY88343DL Datasheet Preview

SY88343DL Datasheet

CML Limiting Post Amplifier

No Preview Available !

SY88343DL pdf
Micrel, Inc.
Typical Application
SY88343DL
Ordering Information
Part Number
SY88343DLMG
Package Type
MLF-16
SY88343DLMGTR(1)
MLF-16
Note:
1. Tape and Reel.
Operating Range
Industrial
Industrial
Package Marking
SY88343DL with Pb-Free bar line indicator
SY88343DL with Pb-Free bar line indicator
Lead Finish
NiPdAu
Pb-Free
NiPdAu
Pb-Free
Pin Configuration
April 2006
16-Pin MLF® (MLF-16)
2 M9999-040606-A
hbwhelp@micrel.com or (408) 955-1690


Part Number SY88343DL
Description CML Limiting Post Amplifier
Maker Micrel Semiconductor
Total Page 10 Pages
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