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参数资料
| 型号： | FSA801UMX |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 7/12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
4
FSA801
—
USB2.0
High-Speed
(480Mbps),
UART,
a
nd
Audio
Switch
with
Negative
Signal
Capability
Pin Configuration
Figure 2. 16-Pin, UMLP Pin Assignments (Top-Through View)
Pin Descriptions
Name
Pin #
Description
USB, UART Interface
DP_HOST1
1
D+ signal, dedicated USB port to be connected to the resident USB or UART transceiver on
the phone.
DM_HOST1
2
D- signal, dedicated USB port to be connected to the resident USB or UART transceiver on
the phone.
DP_HOST2
3
D+ signal, dedicated USB port to be connected to the resident USB or UART transceiver on
the phone.
DM_HOST2
4
D- signal, dedicated USB port to be connected to the resident USB or UART transceiver on
the phone.
Audio Interface
R_HOST
5
Right audio channel from phone audio codec.
L_HOST
6
Left audio channel from phone audio codec.
MIC_HOST
7
Connected to the phone audio codec MIC input pin.
Power Interface
VCC
16
Input voltage supply pin to be connected to the phone battery output.
Connector Interface
VBUS
12
Input voltage supply pin to be connected to the VBUS pin of the USB connector.
GND
8
Ground.
DP_CON
11
Connected to the USB connector D+ pin; depending on the FSA801 signaling mode, this pin
can share DP_HOST1, DP_HOST2 or R_HOST signals.
DM_CON
10
Connected to the USB connector D- pin; depending on the FSA801 signaling mode, this pin
can share DM_HOST1, DM_HOST2 or L_HOST signals.
Charger Detection
CD_N
9
Active-LOW, open-drain output pin; requires pull-up resistor to baseband I/O voltage supply
Switch Control
SEL[2:0]
13-15
Switch selection pins; refer to Table 1 for truth table.
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