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參數(shù)資料
| 型號： | SY88149HLMG |
| 廠商： | Micrel Inc |
| 文件頁數(shù)： | 1/11頁 |
| 文件大?。?/td> | 0K |
| 描述： | POST AMP BURST GEPON/GPON 16MLF |
| 特色產(chǎn)品： | SY88149HL Limiting Post Amplifier |
| 標(biāo)準(zhǔn)包裝： | 100 |
| 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： | 管件 |
| 其它名稱： | 576-3729-5 |
SY88149HL
3.3V 1.25Gbps Burst-Mode Limiting
Amplifier with Ultra-Fast Signal Assert
Timing
Micrel Inc. 2180 Fortune Drive San Jose, CA 95131 USA tel +1 (
408) 944-0800 fax + 1 (408) 474-1000 http://www.micrel.com
June 2010
M9999-061110-I
hbwhelp@micrel.com or (408) 955-1690
General Description
The SY88149HL is a high-sensitivity, burst-mode capable
limiting post amplifier designed for Optical Line Terminal
(OLT) receiver applications. The SY88149HL satisfies the
strict timing restrictions of the GPON standards by
providing ultra-fast Loss-of-Signal (LOS) or Signal-Detect
(SD) output. Auto Reset and Manual Reset options are
provided to control LOS/SD output timing. For increased
flexibility, this device also includes an option to select
between LOS or SD output. The device can be connected
to burst-mode capable transimpedance amplifiers (TIAs)
using AC or DC coupling.
The SY88149HL generates a high-gain LOS or SD LVTTL
output. A programmable LOS/SD level pin (LOS/SDLVL)
sets the sensitivity of the input amplitude detection. This
device also offers the option to choose between a Loss-of-
Signal (LOS) and a Signal-Detect (SD) output from the
LOS/SD pin based the LOS/SDSEL pin setting. To select
SD output, leave LOS/SDSEL pin open or connect to Vcc;
to select LOS output, tie LOS/SDSEL-to-ground. If the
input signal amplitude falls below the threshold set by
LOS/SDLVL, LOS will assert high (or SD will de-assert low).
Once the input signal rises above the threshold set by
LOS/SDLVL, LOS will de-assert low (or SD output will
assert high). The SY88149HL also features a JAM function
which, when active, disables the LVPECL outputs. JAM is
active LOW when SD is selected and active HIGH when
LOS is selected. The LOS/SD output should be fed back to
the JAM input to maintain output stability under an invalid
signal condition. Typically, 3dB SD hysteresis is provided
to prevent chattering.
The SY88149HL operates from a single +3.3V power
supply over temperatures ranging from –40
oC to +85oC.
With its wide bandwidth and high gain, signals up to
1.25Gbps and as small as 4mVpp can be amplified to
drive devices with LVPECL inputs.
All support documentation can be found on Micrel’s web
site at: www.micrel.com.
Features
Single 3.3V power supply
<5ns SD assert (LOS de-assert) time
Option to AUTORESET or Manual RESET LOS output
to HIGH and SD output to LOW
Option to select LOS or SD output
Up to 1.25Gbps operation
Low-noise differential LVPECL data outputs
4mVpp input sensitivity
High sensitivity LOS/SD detect
Ultra fast LVTTL LOS/SD output
Squelching function to disable output
Programmable LOS/SD level set (LOS/SD
LVL)
Available in a 16-pin (3mmx 3mm) QFN package
Applications
GE-PON/GPON/EPON OLT
Gigabit Ethernet
Fibre Channel
OC-3/12/24 SONET/SDH
High-gain line driver and line receiver
Low-gain TIA interface
Markets
FTTH/FTTP
Datacom/Telecom
Optical transceiver
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SY88149HLMG TR | 功能描述:限幅放大器 Burst-mode post amp with ultra-fast SD assert time for GEPON/GPON OLT (ROHS Compliant) RoHS:否 制造商:Micrel 輸入電壓范圍（最大值）:3.6 V 工作電源電壓:3.3 V 電源電流:40 mA 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:MSOP-10 封裝:Tube |
| SY88149HLMGTR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V 1.25Gbps Burst-Mode Limiting |
| SY88149NDL | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:1.25Gbps Burst-Mode Limiting Amplifier |
| SY88149NDL_12 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:1.25Gbps Burst-Mode Limiting Amplifier |
| SY88149NDLMG | 功能描述:限幅放大器 1.25Gbps GPON Burst Mode Limiting Amplifier RoHS:否 制造商:Micrel 輸入電壓范圍（最大值）:3.6 V 工作電源電壓:3.3 V 電源電流:40 mA 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:MSOP-10 封裝:Tube |
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