Datasheet > AOZ8043

AOZ8043

更新时间： 2024-11-15 12:50:11

品牌	Logo	应用领域
阿尔法 - ALPHA		/
页数	文件大小	规格书
7页	287K
描述
4-Line EMI Filter with Integrated ESD Protection

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AOZ8043 数据手册

AOZ8043

4-Line EMI Filter with Integrated ESD Protection

General Description

Features

The AOZ8043 is an 4-line device integrating EMI filtering

with ESD protection for each line. It is designed to

suppress unwanted EMI/RFI signals and provide electro-

static discharge (ESD) protection in portable electronic

equipment. This state-of-the-art device utilizes AOS

z 4 lines for EMI filtering and ESD protection:

– Exceeds IEC 61000-4-2, level 4 (ESD) immunity test

– ±20kV (air discharge) and ±20kV (contact discharge)

z Trench Vertical Structure [TVS] ™ based technology

used to achieve excellent ESD clamping & filter

performance over the full operating display range

leading edge Trench Vertical Structure [TVS] ™

technology for superior clamping performance and filter

attenuation over the full operating display range. The

AOZ8043 has been optimized for protection of color LCD

displays and CCD camera lines in cellular phones and

other portable consumer electronic devices.

z Filter performance: -20db attenuation from 1.0GHz to

3.0GHz

z Low operating voltage: 5.0V

z Capacitance stability over wide range of voltages and

temperatures

The AOZ8043 consists of four identical circuits

comprised of TVS diodes for ESD protection, and a

resistor–capacitor network for EMI/RFI filtering.

A series resistor value of 100Ω and a capacitance

value of 9pF are used to achieve -20dB minimum

attenuation from 1.0GHz to 3.0GHz. The TVS diodes

provide effective suppression of ESD voltages in excess

of ±20kV (air discharge) and ±20kV (contact discharge).

This exceeds IEC 61000-4-2, level 4 ESD immunity test.

z DFN package: 1.2mm x 1.8mm, 0.4mm pitch

z Pb-Free device

Applications

z EMI filtering and ESD protection for data lines

z LCD displays, camera interface, I/O interface

z Portable handheld devices, cell phones,

PDA phones

The AOZ8043 comes in an RoHS compliant, 1.2mm x

1.8mm, 0.4mm pitch DFN package and is rated over a

-40°C to +85°C ambient temperature range.

Typical Application

100Ω

CH1

9pF

100Ω

CH2

9pF

LCD/Camera

Module

100Ω

CH3

9pF

100Ω

CH4

9pF

Figure 1.

www.aosmd.com

Rev. 1.1 February 2010

Page 1 of 7

12 3 4 5 6 7

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