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參數(shù)資料
| 型號(hào)： | SY88903VKC |
| 廠商： | Micrel Inc |
| 文件頁(yè)數(shù)： | 1/6頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC AMP POST PECL 3.3V TTL 10MSOP |
| 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： | 10-TFSOP，10-MSOP（0.118"，3.00mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 10-MSOP |
| 包裝： | 管件 |
1
SY88903V
Micrel, Inc.
M9999-111307
hbwhelp@micrel.com or (408) 955-1690
DESCRIPTION
■ 3.3V and 5V power supply option
■ Up to 1.25Gbps operation
■ Low noise
■ Chatter-free LOS generation
■ Open collector TTL LOS output
■ TTL /EN Input
■ Differential PECL inputs for data
■ Single power supply
■ Designed for use with laser diode driver and
controller
■ Available in a tiny 10-pin (3mm ××××× 3mm) MSOP
The SY88903V limiting post amplifier with its high gain
and wide bandwidth is ideal for use as a post amplifier in
fiber optic receivers with data rates up to 1.25Gbps. Signals
as small as 5mVpp can be amplified to drive devices with
PECL inputs. The SY88903V generates a chatter-free, Loss-
-of-Signal (LOS), open-collector TTL output.
The SY88903V is an integrated limiting amplifier intended
for high-frequency fiber optic applications. The circuit
connects to typical transimpedance amplifiers found within
a fiber optics link. The linear signal output from a
transimpedance amplifier can contain significant amounts
of noise, and may vary in amplitude over time. The
SY88903V limiting amplifier quantizes the signal and outputs
a voltage-limited waveform.
The /EN pin allows the user to disable the output signal
without removing the input signal.
The SY88903V 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 condition.
The sensitivity of the level detection can be adjusted using
LOS
LVL. The LOSLVL voltage can be set by connecting a
resistor divider between V
CC and VREF as shown in Figure
3. “Typical Characteristics” show the relationship between
input level sensitivity and the voltage set on LOS
LVL.
The LOS output is a TTL open-collector output that
requires a pull-up resistor for proper operation, Figure 1.
SY88903V
LOS
2.5k
VCC
Figure 1. LOS Output with Desired Rise Time
All support documentation can be found on Micrel’s web
site at www.micrel.com.
FEATURES
APPLICATIONS
■ 1.25Gbps Gigabit Ethernet
■ 531Mbps and 1062Mbps Fibre Channel
■ 622Mbps SONET
■ Gigabit Interface Converter
BLOCK DIAGRAM
Limiting
Amplifer
ECL
Buffer
DIN
VREF
VCC
GND
LOSLVL
Enable
Level
Detect
DOUT
EN
LOS
Rev.: F
Amendment: /0
Issue Date: November 2007
5V/3.3V 1.25Gbps HIGH-SPEED
LIMITING POST AMPLIFIER
SY88903V
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SY88903VKC TR | 功能描述:IC AMP POST PECL 3.3V TTL 10MSOP RoHS:否 類別:集成電路 (IC) >> 線性 - 放大器 - 專用 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:60 系列:- 類型:可變?cè)鲆娣糯笃?應(yīng)用:CATV 安裝類型:表面貼裝 封裝/外殼:20-WQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:20-TQFN-EP（5x5） 包裝:托盤 |
| SY88903VKCTR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:5V/3.3V 1.25Gbps HIGH-SPEED LIMITING POST AMPLIFIER |
| SY88903VKG | 功能描述:限幅放大器 3.3V-5.0V 1.25Gbps PECL Post Amp: 1xLOS gain/1xTC /10 MSOP//Bulk (I Temp, Green) 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 |
| SY88903VKG TR | 功能描述:限幅放大器 3.3V-5.0V 1.25Gbps PECL Post Amp: 1xLOS gain/1xTC /10 MSOP//Bulk (I Temp, Green) 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 |
| SY88903VKGTR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:5V/3.3V 1.25Gbps HIGH-SPEED LIMITING POST AMPLIFIER |
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