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參數(shù)資料
| 型號： | LX7203 |
| 廠商： | Microsemi Corporation |
| 英文描述： | EMI Filter & ESD Protection for Up Stream USB Ports |
| 中文描述： | EMI濾波器 |
| 文件頁數(shù)： | 4/7頁 |
| 文件大?。?/td> | 315K |
| 代理商： | LX7203 |
LX7203-xx
P
RODUCTION
D
ATA
S
HEET
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 4
W
M
.
C
EMI Filter & ESD Protection for Up Stream USB
Ports
Copyright
2002
Rev. 1.0a, 2002-10-22
I N T E G R A T E D P R O D U C T S
A P P L I C A T I O N I N F O R M A T I O N ( C O N T I N U E D )
L
OW
S
PEED
D
EVICE
(
FIGURE
3)
The USB specification offers a 1.5 Mbps data transfer
rate known as Low-Speed which requires a 1.5 k
pull-up
resistor to be connected to the D- line. Slew rate control is
accomplished with C
EDGE
attached to the transceiver before
the R
S
.
Voltage Supply (Vbus) is connected to Pin 5
Ground is connected to Pin 2
D+ from the connector is routed to Pin 3 and Pin 4 to
the D+ line of the USB Transceiver
D- from the connector is routed to Pin 1 (1.5 k
pull-up
resistor) and Pin 6 to the D- line of the USB Transceiver
cable
Host
USB
Transceiver
GND
D+
D-
V
BUS
Peripheral
USB
Transceiver
GND
D+
D-
V
BUS
R
PU
1
6
5
4
3
2
V
BUS
D
IN
from connector
D
to IC
GND
IN
from connector
D
to IC
LX7203
Figure 3 –
Connection for Low Speed Operation
ELECT ROMAGNET IC EMIS S ION AND S US CEPT ABILIT Y
FCC Part 15 sets limits for maximum allowable EM
emission and susceptibility. There are two types of
emissions. Conducted emissions with frequency of
emission of 0.45 to 30 MHz and radiated emissions with
frequency of emission of 30 MHz to 40 GHz. All digital
computing devices including the peripheral devices must
comply. Examples of peripheral devices include terminals,
printers, external floppy disk drives and other data storage
devices, video monitors, keyboards, control cards, interface
boards, external memory expansion cards and other
input/output devices that may or may not contain digital
circuitry. LX7203 is optimized to minimize the radiated
EMI which is the primary concern in devices using USB.
Refer to the typical filter response curve for the attenuation
characteristics of LX7203 over the frequency range of
30kHz to 6GHz.
A
P
P
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| LX7203-22ISM | EMI Filter & ESD Protection for Up Stream USB Ports |
| LX7203-XX | EMI Filter & ESD Protection for Up Stream USB Ports |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LX7203-15ISM | 功能描述:IC USB LINE TERM EMI/ESD SC70-6 RoHS:是 類別:集成電路 (IC) >> 接口 - 信號終端器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 類型:SCSI，SE 端子數(shù):9 電源電壓:4 V ~ 5.25 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:管件 |
| LX7203-22ISM | 功能描述:IC USB LINE TERM EMI/ESD SC70-6 RoHS:是 類別:集成電路 (IC) >> 接口 - 信號終端器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 類型:SCSI，SE 端子數(shù):9 電源電壓:4 V ~ 5.25 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.154"，3.90mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:管件 |
| LX7203-XX | 制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:EMI Filter & ESD Protection for Up Stream USB Ports |
| LX-7204T-002AC | 制造商:MRV 制造商全稱:MRV 功能描述:7304/7204 Sensor Manager |
| LX-7204T-012DC | 制造商:MRV 制造商全稱:MRV 功能描述:7304/7204 Sensor Manager |
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