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參數資料
| 型號： | FSA223UMX |
| 廠商： | Fairchild Semiconductor |
| 文件頁數： | 14/16頁 |
| 文件大?。?/td> | 0K |
| 描述： | MUX DPDT AUDIO/USB2.0 10UMLP |
| 標準包裝： | 5,000 |
| 功能： | 多路復用器 |
| 電路： | 1 x DPDT |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 10-UFQFN |
| 供應商設備封裝： | 10-UMLP |
| 包裝： | 帶卷 (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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相關代理商/技術參數 |
參數描述 |
|---|---|
| FSA223UMX_F106 | 功能描述:模擬開關 IC DPDT Anlg SW 6V RoHS:否 制造商:Texas Instruments 開關數量:2 開關配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關閉時間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
| FSA2257 | 制造商:Fairchild 功能描述:Dual SPDT Bi-Directional Analog Switch |
| FSA2257_07 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Low RON Low-Voltage Dual SPDT Bi-Directional Analog Switch |
| FSA2257_09 | 制造商:FAIRCHILD 制造商全稱:Fairchild Semiconductor 功能描述:Low RON Low-Voltage Dual SPDT Bi-Directional Analog Switch |
| FSA2257L10X | 功能描述:模擬開關 IC Low RON Low Voltage Dual SPDT Bi-direct RoHS:否 制造商:Texas Instruments 開關數量:2 開關配置:SPDT 開啟電阻（最大值）:0.1 Ohms 切換電壓（最大）: 開啟時間（最大值）: 關閉時間（最大值）: 工作電源電壓:2.7 V to 4.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:DSBGA-16 |
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