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参数资料
| 型号： | LX7203-15ISMTR |
| 厂商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分类： | 数据传输滤波器 |
| 英文描述： | 2 FUNCTIONS, 5.25 V, DATA LINE FILTER |
| 文件页数： | 3/7页 |
| 文件大小： | 250K |
| 代理商： | LX7203-15ISMTR |
LX7203-xx
PRODUCTION DATA SHEET
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 3
WWW
.Microse
m
i
.CO
M
EMI Filter & ESD Protection for Up Stream USB
Ports
Copyright
2002
Rev. 1.1d, 2005-05-18
TM
APPLI CATI ON CI RCUITS
USB
Transceiver
Host or Hub (downstream port)
Peripheral (upstream port)
USB
Transceiver
1
6
5
4
3
2
V
BUS
GND
C
R
S
R
PD
R
PD
R
S
C
16
5
4
3
2
V
BUS
GND
R
S
C
R
S
C
R
PU
LX7203
LX7201
Figure 1 –
Typical Application
APPLI CATI ON I N FORMATI O N
The LX7203 meets the requirements of the USB v1.1 and
USB 2.0 Full Speed specification for device termination,
EMI filtering and ESD protection. The RS resistor provides
the proper signal termination; the CEDGE capacitor controls
the signal rise and fall slew; the TVS diodes protect the IC
from ESD damage; and the total capacitance and resistance
creates a low pass filter eliminating the high frequency
energy from the circuit. The LX7203 can configure the
upstream port for either Full-Speed or Low-Speed
operation. The figures below show the proper connection in
accordance with the USB specification.
FULL SPEED DEVICE (FIGURE 2)
The USB 2.0 specification offers a 12 Mbps data
transfer rate known as Full-Speed which requires a 1.5 k
pull-up resistor to be connected to the D+ line. Slew rate
control is accomplished with CEDGE attached to the
transceiver before the RS.
Voltage Supply (Vbus) is connected to Pin 5
Ground is connected to Pin 2
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
D- from the connector is routed to Pin 3 and Pin 4 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
OUT
to IC
GND
D
IN
from connector
D
OUT
to IC
LX7203
Figure 2 –
Connection for Full Speed Operation
AA
PP
LL
IICC
AA
TT
IIOO
NN
SS
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LX7203-22ISM | 功能描述:IC USB LINE TERM EMI/ESD SC70-6 RoHS:是 类别:集成电路 (IC) >> 接口 - 信号终端器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:50 系列:- 类型:SCSI，SE 端子数:9 电源电压:4 V ~ 5.25 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:16-SOIC（0.154"，3.90mm 宽） 供应商设备封装:16-SOIC 包装:管件 |
| LX7203-XX | 制造商:MICROSEMI 制造商全称:Microsemi Corporation 功能描述:EMI Filter & ESD Protection for Up Stream USB Ports |
| LX-7204T-002AC | 制造商:MRV 制造商全称:MRV 功能描述:7304/7204 Sensor Manager |
| LX-7204T-012DC | 制造商:MRV 制造商全称:MRV 功能描述:7304/7204 Sensor Manager |
| LX7206 | 制造商:MICROSEMI 制造商全称:Microsemi Corporation 功能描述:Integrated EMI Filter & ESD Protection for Earpiece Speaker & Microphone Ports |
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