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FSA201 PDF预览

FSA201

更新时间: 2024-01-11 07:17:28
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD /
页数 文件大小 规格书
19页 752K
描述
USB2.0 Full-Speed and Audio Switches with Negative Signal Capability

FSA201 技术参数

是否无铅:不含铅是否Rohs认证:符合
生命周期:Active零件包装代码:TSSOP
包装说明:TSSOP,针数:10
Reach Compliance Code:unknown风险等级:5.61
Is Samacsys:N模拟集成电路 - 其他类型:DPDT
JESD-30 代码:S-PDSO-G10JESD-609代码:e3
长度:3 mm湿度敏感等级:1
信道数量:2功能数量:1
端子数量:10标称断态隔离度:37 dB
通态电阻匹配规范:0.01 Ω最大通态电阻 (Ron):1 Ω
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:TSSOP
封装形状:SQUARE封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260座面最大高度:1.1 mm
最大供电电压 (Vsup):3.6 V最小供电电压 (Vsup):2.7 V
标称供电电压 (Vsup):3.3 V表面贴装:YES
最长断开时间:10000 ns最长接通时间:10000 ns
温度等级:INDUSTRIAL端子面层:MATTE TIN
端子形式:GULL WING端子节距:0.5 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:3 mmBase Number Matches:1

FSA201 数据手册

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Functional Description  
The FSA201 is a combined USB and audio switch that  
enables sharing the D+/D- lines of a USB connector with  
stereo audio CODEC outputs. The switch is optimized  
for full-speed USB signals and includes an automatic  
Vbus-detection circuit. When a USB connector, rather  
than a headphone, is connected to the ultra-portable  
device the switch is automatically configured for full-  
speed USB data transfer. If no Vbus is detected, and yet  
VAUDIO is present, the switch is configured for the low-  
distortion audio switch path. The audio switch path also  
handles negative signals (down to -2V), which  
eliminates the need for large coupling capacitors.  
terminated by a resistor to GND (typical value 3MΩ) and  
requires no connection for the standard ultra-portable  
(cell-phone, MP3, or Portable Media Player). In an  
application where the supply to the FSA201 Vbus pin is  
not guaranteed to be removed, a GPIO pin can be used  
to switch out of full-speed USB mode into audio mode,  
using the ASel pin.  
The FSA201 Vbus pin must be connected directly to Vbus  
or a supply > 3.8V, not an LDO regulated down to 3.6V  
or a Vbat-generated supply that may fall below 3.8V in  
normal operation (see the Application Diagram).  
For those applications where the Vbus is generated as a  
self-powered device or where Vbus is not removed, the  
ASel pin provides the ability to switch, under software  
control, to the audio path. The ASel pin is internally  
Application Diagram  
Vbus  
3.0V - 3.6V  
ASel  
5V  
Vaudio  
Switch Select  
Control Circuitry  
R
pd  
D+  
R
FS-USB  
Source  
GND  
D+/R  
D-/L  
Vbus  
USB  
Mini-AB  
Connector  
D-  
L
ID  
Audio  
CODEC  
GND  
Figure 4.  
Application Diagram  
© 2006 Fairchild Semiconductor Corporation  
FSA201 Rev. 1.1.9  
www.fairchildsemi.com  
3

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