參數(shù)資料
型號: ISL54213IRUZ-T
廠商: Intersil
文件頁數(shù): 14/15頁
文件大?。?/td> 0K
描述: IC USB SWITCH DUAL SPDT 10UTQFN
標準包裝: 3,000
功能: USB 開關
電路: 2 x SPDT
導通狀態(tài)電阻: 20 歐姆
電壓電源: 單電源
電壓 - 電源,單路/雙路(±): 2.5 V ~ 5 V
電流 - 電源: 6µA
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 10-UFQFN
供應商設備封裝: 10-UTQFN(2.1x1.6)
包裝: 帶卷 (TR)
8
FN6663.0
March 26, 2008
Detailed Description
The ISL54213 device is a dual single pole/double throw
(SPDT) analog switch that operates from a single DC power
supply in the range of 2.5V to 5.0V. 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 a tiny TQFN and TDFN packages for use in MP3
players, PDAs, cellular phones and other personal media
players.
The part consists of two 2.5
Ω audio switches and two 5.5Ω
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 ISL54213 was specifically designed for MP3 players,
personal media players and cellular phone applications that
need to combine the audio headphone jack and the USB
Application Block Diagrams
FIGURE 8. LOGIC CONTROL VIA MICROPROCESSOR
FIGURE 9. LOGIC CONTROL VIA VBUS VOLTAGE FROM COMPUTER OR USB HUB
50k
Ω
ISL54213
USB
TRANSCEIVER
HIGH-SPEED
AUDIO
USB/HE
A
D
P
H
ONE
JACK
COM -
COM +
IN
GND
D-
D+
R
L
VDD
CTRL
LOGIC CONTROL
CONTROLLER
4M
Ω
CODEC
VBUS
3.3V
50k
Ω
4M
Ω
ISL54213
USB
TRANSCEIVER
HIGH-SPEED
AUDIO
USB/HEADPHONE
JACK
COM -
COM +
IN
GND
D-
D+
R
L
VDD
CTRL
LOGIC CONTROL
CONTROLLER
4M
Ω
CODEC
VBUS
3.3V
50k
Ω
50k
Ω
4M
Ω
500k
Ω
ISL54213
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