FSA201L10X

更新时间： 2024-01-28 15:19:25

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		复用器开关复用器或开关信号电路光电二极管输出元件
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

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技术参数
数据手册

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FSA201L10X 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：	QFN
包装说明：	VQCCN,	针数：	10
Reach Compliance Code：	unknown	风险等级：	5.61
模拟集成电路 - 其他类型：	DPDT	JESD-30 代码：	R-XQCC-N10
长度：	2.1 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：	UNSPECIFIED	封装代码：	VQCCN
封装形状：	RECTANGULAR	封装形式：	CHIP CARRIER, VERY THIN PROFILE
峰值回流温度（摄氏度）：	260	座面最大高度：	0.55 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：	NOT SPECIFIED
端子形式：	NO LEAD	端子节距：	0.5 mm
端子位置：	QUAD	处于峰值回流温度下的最长时间：	30
宽度：	1.6 mm	Base Number Matches：	1

FSA201L10X 数据手册

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

V_bus-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 V_busis detected, and yet

V_AUDIOis 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 V_buspin 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 A_Selpin.

The FSA201 V_buspin must be connected directly to V_bus

or a supply > 3.8V, not an LDO regulated down to 3.6V

or a V_bat-generated supply that may fall below 3.8V in

normal operation (see the Application Diagram).

For those applications where the V_busis generated as a

self-powered device or where V_busis not removed, the

A_Selpin provides the ability to switch, under software

control, to the audio path. The A_Selpin is internally

Application Diagram

V_bus

3.0V - 3.6V

A_Sel

V_audio

Switch Select

Control Circuitry

D+

FS-USB

Source

GND

D+/R

D-/L

V_bus

USB

Mini-AB

Connector

D-

Audio

CODEC

GND

Figure 4.

Application Diagram

FSA201 Rev. 1.1.9

www.fairchildsemi.com

1 234 5 6 7...19

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与FSA201L10X相关器件

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FSA201MUX	FAIRCHILD	USB2.0 Full-Speed and Audio Switches with Negative Signal Capability	获取价格
FSA203	FAIRCHILD	Multimedia High-Speed USB, Video, and Negative Swing Audio Switch with Video Amp/Filter	获取价格
FSA203_07	FAIRCHILD	Multimedia High-Speed USB, Video, and Negative Swing Audio Switch with Video Amp/Filter	获取价格
FSA203BQX	FAIRCHILD	Multimedia High-Speed USB, Video, and Negative Swing Audio Switch with Video Amp/Filter	获取价格
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FSA2147	FAIRCHILD	Low-Voltage, DPST Analog Switch with Negative Signal Capability and Built-in Terminationto	获取价格

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