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参数资料
| 型号： | FSA223UMX |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 14/16页 |
| 文件大小： | 0K |
| 描述： | MUX DPDT AUDIO/USB2.0 10UMLP |
| 标准包装： | 5,000 |
| 功能： | 多路复用器 |
| 电路： | 1 x DPDT |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-UFQFN |
| 供应商设备封装： | 10-UMLP |
| 包装： | 带卷 (TR) |
2007 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FSA223 Rev. 1.0.4
7
FSA223
—
USB2.0
High-Speed
(480Mbps)
and
Audi
o
Switche
s
with
Negative
Signal
Capability
Applications Information
In applications where Vsw could exceed the absolute
maximum
rating
of
VCC+0.3 V,
the
following
recommendations help maintain low power consumption
and protect the part.
The addition of the series diode in the VCC supply line
blocks any current that might leak back into VCC for
over-voltage input cases.
Because the deselected channel may no longer provide
guaranteed off isolation, consider the following:
During USB transfer, the audio amplifier should be
powered down.
During audio transfer, the USB pull-up resistor
supply must be removed (as specified on page 141
of the USB 2.0 specification)
.
EXCEPTION CONDITION
Vsw >VCC+0.3V
D+
D-
R
L
D+/R
D+/L
VCC
RECOMMENDATION
Add a low forward voltage
I
CC blocking diode to stop
current flow into the VCC pin
EXPLANATION
Parasitic PMOS bulk diode
provides a leakage path in an
over-voltage condition
RECOMMENDATION
Ensure that any voltage present
on the un-selected ports is
< VCC to prevent data
corruption on the common port
EXPLANATION
Both common port inputs have
power-off protection, allowing
them to withstand voltages
greater than 0V when V
CC = 0V
Figure 6.
Application Suggestions
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相关代理商/技术参数 |
参数描述 |
|---|---|
| FSA223UMX_F106 | 功能描述:模拟开关 IC DPDT Anlg SW 6V RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
| FSA2257 | 制造商:Fairchild 功能描述:Dual SPDT Bi-Directional Analog Switch |
| FSA2257_07 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Low RON Low-Voltage Dual SPDT Bi-Directional Analog Switch |
| FSA2257_09 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Low RON Low-Voltage Dual SPDT Bi-Directional Analog Switch |
| FSA2257L10X | 功能描述:模拟开关 IC Low RON Low Voltage Dual SPDT Bi-direct RoHS:否 制造商:Texas Instruments 开关数量:2 开关配置:SPDT 开启电阻（最大值）:0.1 Ohms 切换电压（最大）: 开启时间（最大值）: 关闭时间（最大值）: 工作电源电压:2.7 V to 4.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:DSBGA-16 |
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