AN383 查看數據表（PDF） - Silicon Laboratories

零件编号

产品描述 (功能)

生产厂家

AN383

Si47XX ANTENNA, SCHEMATIC, LAYOUT, AND DESIGN GUIDELINES

Silicon Laboratories 

AN383

2.5. Si47xx 3x3 mm Layout

The following layout example selector guide provides guidance for selecting the proper example based on

placement, routing, option, and device requirements. Layout examples 1, 2, and 3 show the critical component

layout of the most common layout configurations. Layout example 4 shows a universal layout which supports all

3x3 mm QFN devices and features.

Table 9. Layout Example Selector Guide by Place and Route Requirements

Placement and Routing

Top Side Routing

Inner/Bottom Side Routing

Top Side Placement

Bottom Side Placement

Layout Example

1

2

3

4

X

X

X

X

X

X

X

X

X

X

X

X

X

X

Table 10. Layout Example Selector Guide by Option

Feature

Crystal

Analog Input

Analog Output

Digital Input

Digital Output

Layout Example

1

2

3

4

X

X

X

X

X

X

X

X

X

X

X

X

X

Table 11. Layout Example Selector Guide by Device

Device

Si4702/03

Si4704/05/06/07

Si471x

Si472x

Si473x

Si478x

Layout Example

1

2

3

4

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

12

Rev. 0.8

Share Link: