FSA801 Fairchild Semiconductor, FSA801 Datasheet

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FSA801

Manufacturer Part Number
FSA801
Description
Fsa801 -- Usb2.0 High-speed 480mbps , Uart, And Audio Switch With Negative Signal Capability
Manufacturer
Fairchild Semiconductor
Datasheet
© 2010 Fairchild Semiconductor Corporation
FSA801 • Rev.1.0.2
FSA801 — USB2.0 High-Speed (480Mbps), UART, and
Audio Switch with Negative Signal Capability
Features
Applications
Ordering Information
Part Number
FSA801UMX
3:1 Switch Handles:
-
-
-
USB Charger Detection and Indication, Compliant
with USB Battery Charging Specification, Rev 1.1
-
Negative-Swing-Capable Audio Channel
Built-in Termination Resistors for Audio Pop
Reduction
Simple Switch Control Using Three Select Pins
28V Over-Voltage Tolerance on V
Cell Phones, MP3 Players, PDAs
Audio Headsets
UART
Up to Two High- and Low-Speed USB Data
Supports Data Contact Detect (DCD)
Temperature Range
Baseband
Processor
HS USB
HS USB
FS USB
FS USB
Codec
Audio
UART
UART
-40 to +85°C
Operating
ID Detect
DM_HOST2
DM_HOST1
MIC_HOST
DP_HOST1
DP_HOST2
BUS
R_HOST
L_HOST
R
SEL[0]
SEL[1]
SEL[2]
CD_N
VCC
Figure 1. Typical Application
Top Mark
Control
R
Switch
KL
MUX
3:1
FSA801
Description
The FSA801 is a 3:1 USB accessory switch that enables
USB data, stereo and mono audio, microphone, and
UART data to share a common connector port. Two
ports are designed for high-speed USB 2.0 signaling,
while also capable of full-speed USB and UART
communication. The architecture allows audio signals to
swing below ground so a common USB and headphone
jack can be used for personal media players and
portable peripheral devices.
FSA801 detects wall chargers through a dedicated pin
that provides the baseband with charger detection. The
charger function is compliant with USB Battery Charging
Specification, Rev 1.1, implementing Data Contact Detect
(DCD) before detecting a charger. The FSA801 indicates
if a Dedicated Charging Port (DCP) or a Charging
Downstream Port (CDP) has been connected.
The FSA801 meets both USB Rev. 2.0 and micro-USB
specifications.
16-Lead Quad, 1.8 x 2.6mm Ultrathin Molded
Leadless Package (UMLP)
Charger
Detect
OVT
V
DP_CON
GND
DM_CON
BUS
ID
USB Port
Package
January 2011
www.fairchildsemi.com

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FSA801 Summary of contents

Page 1

... ID Detect © 2010 Fairchild Semiconductor Corporation FSA801 • Rev.1.0.2 Description The FSA801 is a 3:1 USB accessory switch that enables USB data, stereo and mono audio, microphone, and UART data to share a common connector port. Two ports are designed for high-speed USB 2.0 signaling, while also capable of full-speed USB and UART communication ...

Page 2

... Package specifications do not expand the terms of Fairchild’s worldwide terms and conditions, specifically the warranty therein, which covers Fairchild products. Always visit Fairchild Semiconductor’s online packaging area for the most recent package drawings: http://www.fairchildsemi.com/packaging/. © 2010 Fairchild Semiconductor Corporation FSA801 • Rev. 1.0 2.60 0.400 ...

Page 3

... Fairchild Semiconductor Corporation FSA801 • Rev. 1.0.2 12 www.fairchildsemi.com ...

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