FSA223 Ver la hoja de datos (PDF) - ON Semiconductor
Número de pieza
componentes Descripción
Fabricante
FSA223
ON Semiconductor
FSA223 Datasheet PDF : 18 Pages
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Pin Configuration
VCC
10
D+
1
9
ASel
D-
2
8 D+/R
R
3
7 D-/L
L
4
Figure 2.
6
VAudio
5
GND
10-Pin MicroPak™
D+ 1
D- 2
R3
L4
GND 5
10 VCC
9 ASel
8 D+/R
7 D-/L
6 VAudio
Figure 3. 10-Pin MSOP
L3
R D-
21
10 D+
GND 4
9 VCC
VAudio 5
67
8 ASel
D-/L D+/R
Figure 4. 10-Pin UMLP
Pin Definitions
Name
Vaudio
VCC
ASel
D+, D-
R, L
D+/R, D-/L
Description
Power supply (audio)
Power supply (USB) and auto USB switch-path select
Audio select to override auto USB detect when VAUDIO supply is present
USB data bus input sources
Audio right and left input sources
USB and audio common connector ports
Truth Table
ASel(1)
—(2)
Vaudio
—
VCC
LOW
L, R
OFF
D+, D-
OFF
—
LOW
HIGH
OFF
ON
LOW
HIGH
HIGH
OFF
ON
HIGH
HIGH
HIGH
ON
OFF
Note:
1. ASel - Internal resistor to GND provides auto-VCC detect if there is no external connection. Forcing ASel HIGH
when VAUDIO is present overrides the USB path.
2. The dash (—) indicates “Don’t Care” state.
© 2007 Fairchild Semiconductor Corporation
FSA223 • Rev. 1.0.4
2
www.fairchildsemi.com
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