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AOZ8040DI 参数 Datasheet PDF下载

AOZ8040DI图片预览
型号: AOZ8040DI
PDF下载: 下载PDF文件 查看货源
内容描述: 8号线EMI滤波器,集成ESD保护 [8-Line EMI Filter with Integrated ESD Protection]
分类和应用:
文件页数/大小: 7 页 / 383 K
品牌: ALPHA [ ALPHA INDUSTRIES ]
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8-Line EMI Filter with Integrated ESD Protection
AOZ8040
General Description
The AOZ8040 is an 8-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
leading edge Trench Vertical Structure [TVS]
2
technology for superior clamping performance and filter
attenuation over the full operating display range. The
AOZ8040 has been optimized for protection of color LCD
displays and CCD camera lines in cellular phones and
other portable consumer electronic devices.
The AOZ8040 consists of eight identical circuits
comprised of TVS diodes for ESD protection, and a
resistor–capacitor network for EMI/RFI filtering.
A series resistor value of 100
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.
The AOZ8040 comes in an RoHS compliant, 1.2mm x
3.5mm, 0.4mm pitch DFN package and is rated over a
-40°C to +85°C ambient temperature range.
Features
8 lines for EMI filtering and ESD protection:
Exceeds IEC 61000-4-2, level 4 (ESD) immunity test
±20kV (air discharge) and ±20kV (contact discharge)
Trench Vertical Structure [TVS]
2
™ based technology
used to achieve excellent ESD clamping & filter
performance over the full operating display range
Filter performance: -20db attenuation from 1.0GHz to
3.0GHz
Low operating voltage: 5.0V
Capacitance stability over wide range of voltages and
temperatures
DFN package: 1.2mm x 3.5mm, 0.4mm pitch
Pb-Free device
Green product
Applications
EMI filtering and ESD protection for data lines
LCD displays, camera interface, I/O interface
Portable handheld devices, cell phones,
PDA phones
Typical Application
D0
100Ω
CH1
9pF
9pF
100Ω
D1
CH2
LCD/Camera
Module
9pF
9pF
D7
100Ω
CH8
9pF
9pF
Figure 1.
Rev. 1.2 March 2010
www.aosmd.com
Page 1 of 7