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PDF ( 数据手册 , 数据表 ) SY88993AL

零件编号 SY88993AL
描述 3.3V 3.2Gbps High-Speed Limiting Post Amplifier
制造商 Micrel Semiconductor
LOGO Micrel Semiconductor LOGO 



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SY88993AL 数据手册, 描述, 功能
SY88993AL
3.3V 3.2Gbps High-Speed Limiting Post
Amplifier with High Input Sensitivity
General Description
The SY88993AL limiting post amplifier, with its wide
bandwidth, is ideal for use as a post amplifier in fiber-optic
receivers with data rates up to 3.2Gbps. Signals as small
as 4mVPP can be amplified to drive devices with CML
inputs or AC-coupled PECL inputs. The SY88993AL
generates a chatter-free Loss-of-Signal (LOS) open
collector TTL output using an external resistor, as shown
Figure 1.
The SY88993AL incorporates a programmable level detect
function to identify when the input signal has been lost.
This information can be fed back to the /EN input of the
device to maintain stability under loss of signal conditions.
Using LOSLVL pin the sensitivity of the level detect can be
adjusted. The LOSLVL voltage can be set by connecting a
resistor divider between VCC and VREF, Figure 5.
Datasheets and support documentation can be found on
Micrel’s web site at: www.micrel.com.
Features
Up to 3.2Gbps operation
Low noise CML data outputs
Chatter-Free LOS generation
Open Collector TTL LOS output
TTL /EN Input
Differential PECL inputs for data
Single 3.3V power supply
Available in a tiny 10-pin (3mm x 3mm) MSOP
Applications
PON
SFP/SFF/GBIC optical transceivers
Gigabit Ethernet
1X and 2X Fibre Channel
SONET/SDH: OC 3/12/24/48 – STM 1/4/8/16
Line driver and line receiver
Markets
FTTX
Datacom/Telecom
Figure 1. LOSLVL resistor configuration
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com
September 2008
M9999-093008-A
hbwhelp@micrel.com or (408) 955-1690







SY88993AL pdf, 数据表
Micrel, Inc.
Package Information
SY88993AL
10-Pin MSOP (K10-1)
MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA
TEL +1 (408) 944-0800 FAX +1 (408) 474-1000 WEB http://www.micrel.com
The information furnished by Micrel in this data sheet is believed to be accurate and reliable. However, no responsibility is assumed by Micrel for its
use. Micrel reserves the right to change circuitry and specifications at any time without notification to the customer.
Micrel Products are not designed or authorized for use as components in life support appliances, devices or systems where malfunction of a product
can reasonably be expected to result in personal injury. Life support devices or systems are devices or systems that (a) are intended for surgical implant
into the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant injury to the user. A
Purchaser’s use or sale of Micrel Products for use in life support appliances, devices or systems is a Purchaser’s own risk and Purchaser agrees to fully
indemnify Micrel for any damages resulting from such use or sale.
© 2008 Micrel, Incorporated.
September 2008
8 M9999-093008-A
hbwhelp@micrel.com or (408) 955-1690














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