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| 型号： | TPD4F202YFUR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 数据传输滤波器 |
| 英文描述： | 4 FUNCTIONS, DATA LINE FILTER |
| 封装： | GREEN, DSBGA-10 |
| 文件页数： | 8/13页 |
| 文件大小： | 857K |
| 代理商： | TPD4F202YFUR |
SLLS800 – JUNE 2010
www.ti.com
APPLICATION INFORMATION
Typically, there are multiple EMI filters being utilized in cell phone applications to suppress the EMI interference.
This means the total board area consumed by EMI filters are relatively large. One example of space saving
innovation is to place the EMI filters right under the connectors so that the main PCB space is not utilized. The
YFU packages of the TPDxF202 series offer ultra low-profile package height which enables such innovative
component placement in portable applications. Package under-fill is recommended while using the YFU
packages in flex boards.
For maximum efficiency of filtering and ESD protection, while doing the board layout, care should be taken to
reduce board parasitic from package GND pins to board GND plane. The TPDxF202 devices should be
connected to a ground plane with a micro via adjacent to the device GND pad. If this is not possible, the
connection to the ground plane should be as direct as possible to minimize the inductance. Due to flow-through
pin mapping, the signal pins routing is easily achieved in a single layer.
Figure 1. Board Layout with TPDxF20
4
Copyright 2010, Texas Instruments Incorporated
Product Folder Link(s): TPD4F202, TPD6F202
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