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ISL54206AIRTZ データシート(PDF) 9 Page - Intersil Corporation

部品番号 ISL54206AIRTZ
部品情報  MP3/USB 2.0 High Speed Switch with Negative Signal Handling
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メーカー  INTERSIL [Intersil Corporation]
ホームページ  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

ISL54206AIRTZ データシート(HTML) 9 Page - Intersil Corporation

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ISL54206A
9
FN6515.2
September 30, 2010
Application Block Diagrams
Detailed Description
The ISL54206A device is a dual single pole/double throw
(SPDT) analog switch device that can operate from a
single DC power supply in the range of 2.5V to 5.5V. It
was designed to function as a dual 2 to 1 multiplexer to
select between USB differential data signals and audio L
and R stereo signals. It comes in tiny µTQFN and TDFN
packages for use in MP3 players, PDAs, cell phones, and
other personal media players.
The part consists of two 3Ω audio switches and two 5Ω
USB switches. The audio switches can accept signals that
swing below ground. They were designed to pass audio
left and right stereo signals, that are ground referenced,
with minimal distortion. The USB switches were designed
to pass high-speed USB differential data signals with
minimal edge and phase distortion.
The ISL54206A was specifically designed for MP3
players, cell phones and other personal media player
applications that need to combine the audio headphone
jack and the USB data connector into a single shared
connector, thereby saving space and component cost.
Typical application block diagrams of this functionality is
shown above.
The ISL54206A has a single logic control pin (IN) that
selects between the audio switches and the USB
switches. This pin can be driven Low or High to switch
between the audio CODEC drivers and USB transceiver of
the MP3 player or cellphone. The ISL54206A also
contains a logic control pin (CTRL) that when driven Low
while IN is Low, opens all switches and puts the part into
a low power state, drawing typically 1nA of IDD current.
A detailed description of the two types of switches is
provided in the following sections. The USB transmission
ISL54206A
USB
TRANSCEIVER
HIGH-SPEED
CODEC
COM-
COM+
IN
GND
D-
D+
L
R
VDD
CTRL
µCONTROLLER
4MΩ
50kΩ
50kΩ
LOGIC CONTROL VIA VBUS VOLTAGE FROM COMPUTER OR USB HUB
LOGIC CONTROL VIA MICRO-PROCESSOR
VBUS
VBUS
LOGIC
ISL54206A
USB
TRANSCEIVER
HIGH-SPEED
CODEC
COM-
COM+
IN
GND
D-
D+
L
R
VDD
CTRL
LOGIC
µCONTROLLER
22kΩ
4MΩ
4MΩ
50kΩ
50kΩ


同様の部品番号 - ISL54206AIRTZ

メーカー部品番号データシート部品情報
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Intersil Corporation
ISL54206AIRTZ INTERSIL-ISL54206AIRTZ Datasheet
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   MP3/USB 2.0 High Speed Switch with Negative Signal Handling
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同様の説明 - ISL54206AIRTZ

メーカー部品番号データシート部品情報
logo
Intersil Corporation
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