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参数资料
| 型号： | FSA801UMX |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 6/12页 |
| 文件大小： | 0K |
| 描述： | IC SWITCH USB/UART/AUDIO 16UMLP |
| 标准包装： | 5,000 |
| 功能： | USB 开关 |
| 电路： | 3:1 |
| 导通状态电阻： | 9 欧姆（USB），3 欧姆（音频） |
| 电压电源： | 单电源 |
| 电压 - 电源，单路/双路(±)： | 2.7 V ~ 4.4 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-UFQFN |
| 供应商设备封装： | 16-UMLP（1.8x2.6） |
| 包装： | 带卷 (TR) |
2010 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FSA801 Rev. 1.0.3
3
FSA801
—
USB2.0
High-Speed
(480Mbps),
UART,
a
nd
Audio
Switch
with
Negative
Signal
Capability
Mode Descriptions
The FSA801 has three select pins to control the
switching operations, SEL[0], SEL[1], and SEL[2]
described in Table 1.
Table 1.
Selection Truth Table
SEL[2]
SEL[1]
SEL[0]
Switch Action
Description
0
OPEN
Open all switch paths (device in low-power mode)
0
1
USB1, UART
Closes USB1 path to D+/D-, default condition
(1)
- DP_CON connected to DP_HOST1
- DM_CON connected to DM_HOST1
0
1
0
USB2, UART
Closes USB2 path to D+/D-
- DP_CON connected to DP_HOST2
- DM_CON connected to DM_HOST2
0
1
AUDIO
Closes audio path to D+/D- only, no microphone
switched
- DP_CON connected to R_HOST
- DM_CON connected to L_HOST
1
0
MONO AUDIO with MIC
on D+
(2)
Closes audio path to DM_CON and microphone on
DP_CON pin. This is a mono-audio application.
- DP_CON connected to MIC
- DM_CON connected to L_HOST
1
0
1
STEREO AUDIO with MIC
on VBUS
(2)
Closes audio path to D+/D- and microphone on VBUS
pin. This mode is typically used for stereo headset
with microphone.
- DP_CON connected to R_HOST
- DM_CON connected to L_HOST
- VBUS connected to MIC
1
0
Undefined
Reserved; do not use.
1
Charger Detection Reset
Charger Detection Reset. Selecting this mode for
greater than 30 s resets the FSA801 to check for a
charger, the next time a SEL[2:0] state of ‘000’ is
applied for more than 30 s.
Notes:
1.
The SELECT pins are CMOS inputs and should not be left in a floating condition. Some applications require the
UART path be in the CLOSED position on power-up for initial programming of the device under test. If that
condition is desired, the three SELECT pins should be pulled to the correct levels with external resistors that
should exceed 100 K
Ω to reduce the static power consumption. In other applications, adding weak pull-down
resistors to GND defaults the device to all paths open (low-power mode).
2.
When the audio switch is in the OPEN position, the R and L are terminated to GND with internal termination
resistors to discharge any stray capacitance that could cause audio pop.
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相关代理商/技术参数 |
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| FSA801UMX_F113 | 功能描述:开关 IC - 各种 USB 480Mbs Audio SW RoHS:否 制造商:Fairchild Semiconductor 开启电阻（最大值）: 电源电压-最大:4.4 V 电源电压-最小:2.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:WLCSP-9 封装:Reel |
| FSA8028UMX | 功能描述:开关 IC - 各种 Audio Jack Detection Configuration Switch RoHS:否 制造商:Fairchild Semiconductor 开启电阻（最大值）: 电源电压-最大:4.4 V 电源电压-最小:2.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:WLCSP-9 封装:Reel |
| FSA8029 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Audio Jack Send / End Detection with MIC / Video Switch |
| FSA8029UMX | 功能描述:开关 IC - 各种 Audio Jack Send/End Detection/Video Swth RoHS:否 制造商:Fairchild Semiconductor 开启电阻（最大值）: 电源电压-最大:4.4 V 电源电压-最小:2.5 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:WLCSP-9 封装:Reel |
| FSA8049 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Audio Jack Detection and Configuration, MIC / GND Cross Point Switch |
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