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參數資料
| 型號： | SY88923KC |
| 廠商： | MICREL INC |
| 元件分類： | 數字傳輸電路 |
| 英文描述： | 2.5Gbps HIGH-SPEED LIMITING POST AMPLIFIER |
| 中文描述： | ATM/SONET/SDH SUPPORT CIRCUIT, PDSO10 |
| 封裝： | 3 MM, MSOP-10 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 98K |
| 代理商： | SY88923KC |
DESCRIPTION
I
Up to 2.5Gbps operation
I
Low noise
I
Chatter-Free LOS generation
I
Open Collector TTL LOS output
I
TTL /EN Input
I
Differential PECL inputs for data
I
Single power supply
I
Designed for use with SY88922 and SY88904 or
SY88905
I
Available in a tiny 10-pin (3mm) MSOP
The SY88923 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 2.5Gbps. Signals
as small as 5mVp-p can be amplified to drive devices with
PECL inputs. The SY88923 generates a chatter-free Loss
of Signal (LOS) open collector TTL output.
The SY88923 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.
Using LOS
LVL
pin, the sensitivity of the level detection can
be adjusted. The LOS
LVL
voltage can be set by connecting
a resistor divider between V
CC
and V
REF
. Figure 3 and
Figure 4 show the relationship between input level sensitivity
and the voltage set on LOS
LVL
. Figure 5 shows the
relationship between input level sensitivity and resistor
divider ratio.
The LOS output is a TTL open collector output that
requires a pull-up resistor for proper operation, Figure 1.
FEATURES
2.5Gbps HIGH-SPEED
LIMITING POST AMPLIFIER
SY88923
APPLICATIONS
I
1.25Gbps Gigabit Ethernet
I
531Mbps and 1062Mbps Fibre Channel
I
622Mbps SONET
I
Gigabit interface converter
I
2.5Gbps SDH/SONET
PIN CONFIGURATION
BLOCK DIAGRAM
1
/EN
D
IN
/D
IN
V
REF
LOS
LVL
10 V
CC
D
OUT
/D
OUT
LOS
GND
9
8
7
6
2
3
4
5
MSOP
K10-1
Figure 1. LOS Output with Desired Rise Time
SY88923
LOS
+5.0V
2k
Limiting
Amplifer
ECL
Buffer
D
IN
D
IN
V
REF
V
CC
GND
LOS
LVL
Enable
Level
Detect
D
OUT
D
OUT
EN
LOS
1
Rev.: C
Issue Date:
Amendment: /1
July 2000
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相關代理商/技術參數 |
參數描述 |
|---|---|
| SY88923KC TR | 功能描述:IC AMP POST 5V/3.3V 10-MSOP RoHS:否 類別:集成電路 (IC) >> 線性 - 放大器 - 專用 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:60 系列:- 類型:可變增益放大器 應用:CATV 安裝類型:表面貼裝 封裝/外殼:20-WQFN 裸露焊盤 供應商設備封裝:20-TQFN-EP（5x5） 包裝:托盤 |
| SY88923KCTR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:2.5Gbps HIGH-SPEED LIMITING POST AMPLIFIER |
| SY88923KG | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:2.5Gbps HIGH-SPEED LIMITING POST AMPLIFIER |
| SY88923KGTR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:2.5Gbps HIGH-SPEED LIMITING POST AMPLIFIER |
| SY88923V | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:2.5Gbps HIGH-SPEED LIMITING POST AMPLIFIER |
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