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參數(shù)資料
| 型號： | SY88289ALMG TR |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 1/9頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC POST AMP CML LP LIMIT 16-MLF |
| 標(biāo)準(zhǔn)包裝： | 1,000 |
| 類型： | 限幅后置放大器 |
| 應(yīng)用： | 光纖學(xué)網(wǎng)絡(luò) |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-VFQFN 裸露焊盤，16-MLF? |
| 供應(yīng)商設(shè)備封裝： | 16-MLF?（3x3） |
| 包裝： | 帶卷 (TR) |
| 其它名稱： | SY88289ALMGTR SY88289ALMGTR-ND |
SY88289AL
3.3V, 3.2Gbps CML Low-Power Limiting
Post Amplifier with TTL Loss-of-Signal
Micrel Inc. 2180 Fortune Drive San Jose, CA 95131 USA tel +1 (408) 944-0800 fax + 1 (408) 474-1000 http://www.micrel.com
February 2007
M9999-021207-B
hbwhelp@micrel.com or (408) 955-1690
General Description
The SY88289AL 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 SY88289AL quantizes these signals and
outputs CML-level waveforms.
The SY88289AL operates from a single +3.3V power
supply, over temperatures ranging from –40
oC to +85oC.
With its wide bandwidth and high gain, signals with data
rates up to 3.2Gbps, and as small as 10mVP-P, can be
amplified to drive devices with CML inputs or AC-
coupled CML/PECL inputs.
The SY88289AL 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, 3.5dB 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
125Mbps to 3.2Gbps operation
Low-noise CML data outputs
Chatter-free open-collector TTL Loss-of-signal (LOS)
output with internal 4.75k
pull-up resistor
TTL /EN input
Internal 50
input termination
Programmable LOS level set (LOS
LVL)
Ideal for multi-rate applications
Available in a tiny 3mmx3mm 16-pin QFN package
Applications
APON, BPON, EPON, GEPON, and GPON
Gigabit Ethernet
Fibre Channel
SONET/SDH:OC-3/12/24/48 – STM 1/4/8/16
High-gain line driver and line receiver
Markets
Optical transceivers
Datacom/telecom
Typical Application
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SY88289BL | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V, 3.2Gbps CML Limiting Post Amplifier with High-Gain TTL Loss-of-Signal |
| SY88289BLMG | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V, 3.2Gbps CML Limiting Post Amplifier with High-Gain TTL Loss-of-Signal |
| SY88289BLMGTR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V, 3.2Gbps CML Limiting Post Amplifier with High-Gain TTL Loss-of-Signal |
| SY88289CL | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V, 3.2Gbps CML Limiting Post Amplifier |
| SY88289CL_10 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V, 3.2Gbps CML Limiting Post Amplifier |
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