PACUSB-U2R

更新时间： 2024-09-15 03:23:07

品牌	Logo	应用领域
CALMIRCO		数据线路滤波器过滤器 LTE
页数	文件大小	规格书
7页	118K
描述
Upstream USB Port Terminator

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中文翻译

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技术参数
数据手册

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PACUSB-U2R 技术参数

是否Rohs认证：	符合	生命周期：	Transferred
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8504.50.80.00	风险等级：	5.48
电容：	47 µF	最大直流电阻：	40 Ω
滤波器类型：	DATA LINE FILTER	高度：	1.1 mm
长度：	2.25 mm	安装类型：	SURFACE MOUNT
功能数量：	2	最高工作温度：	85 °C
最低工作温度：	-40 °C	包装方法：	TAPE AND REEL
物理尺寸：	L2.25XB1.35XH1.1 (mm)	额定电压：	5.5 V
宽度：	1.35 mm	Base Number Matches：	1

PACUSB-U2R 数据手册

PACUSB-U1/U2/U3

Upstream USB Port Terminator

Product Description

Features

•

One upstream USB port terminator, EMI filter and

The PACUSB-U1, PACUSB-U2, and PACUSB-U3 are

single-channel USB upstream-port termination net-

works.

transient overvoltage protector in a single surface-

mount package

•

Compact SC70 or SOT23 package saves board

space and lowers manufacturing costs compared

to discrete solutions

ESD protection to 30kV contact discharge per

MIL-STD-883D, method 3015

ESD protection to 15kV contact discharge per

IEC 61000-4-2 international standard

Lead-free version available

The PACUSB-U1/U2/U3 integrate EMI/RFI filter com-

ponents R1 and C1, as recommended by the USB

specification. Because these are upstream USB

devices, they are terminated with a single 1.5kΩpull-up

•

resistor to V (R2).

3.3

There are three options for the value of the series

resistor R1:

•

For PACUSB-U1, R1=15Ω

For PACUSB-U2, R1=33Ω

For PACUSB-U3, R1=22Ω

Applications

This series resistance plus the USB driver output resis-

tance must be close to the USB cable’s characteristic

impedance of 45Ω (90Ω balanced) to minimize trans-

mission line reflections.

•

ESD protection and termination of USB port

All USB peripherals (PC printers, scanners,

zip drives, etc.)

•

PDAs / handheld PCs

Digital cameras

Wireless Handets

MP3 Players

Cable Modems

In addition, these parts provide a very high level of pro-

tection for sensitive electronic components that may be

subjected to electrostatic discharge (ESD). The input

and output pins are designed and characterized to dis-

sipate ESD strikes of 15kV safely, a level well beyond

the maximum requirements of the IEC 61000-4-2 inter-

national standard.

Using the MIL-STD-883D (Method 3015) specification

for Human Body Model (HBM) ESD, all pins are pro-

tected for contact discharges to greater than 30kV.

The PACUSB-U1/U2/U3 is housed in either a 6-pin

SC70 or 6-pin SOT23 package and is available with

optional lead-free finishing.

Electrical Schematic

D1_c

OUT 1

D1_i

IN1

i = input

c = connector

GND

Vcc

3.3

SC70 6

Tel: 408.263.3214

D2_c

D2_i

IN2

OUT 2

05/01/06

490 N. McCarthy Blvd., Milpitas, CA 95035-5112

●

Fax: 408.263.7846

●

www.cmd.com

12 3 4 5 6 7

中文翻译

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与PACUSB-U2R相关器件

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PACUSB-U2Y6	ONSEMI	获取价格	Upstream USB Port Terminator
PACUSB-U2Y6	CALMIRCO	获取价格	Upstream USB Port Terminator
PACUSB-U2Y6R	ONSEMI	获取价格	Upstream USB Port Terminator
PACUSB-U2Y6R	CALMIRCO	获取价格	Upstream USB Port Terminator
PACUSB-U3	CALMIRCO	获取价格	Upstream USB Port Terminator
PACUSB-U3	ONSEMI	获取价格	Upstream USB Port Terminator
PACUSB-U3R	ONSEMI	获取价格	Upstream USB Port Terminator
PACUSB-U3R	CALMIRCO	获取价格	Upstream USB Port Terminator
PACUSB-U3Y6	CALMIRCO	获取价格	Upstream USB Port Terminator
PACUSB-U3Y6	ONSEMI	获取价格	Upstream USB Port Terminator

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