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PDF ISL54200 Data sheet ( Hoja de datos )
| Número de pieza | ISL54200 | |
| Descripción | USB 2.0 High/Full Speed Multiplexer | |
| Fabricantes | Intersil Corporation | |
| Logotipo |  |
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Data Sheet
January 24, 2007
ISL54200
FN6408.0
USB 2.0 High/Full Speed Multiplexer
The Intersil ISL54200 dual 2:1 multiplexer IC is a single
supply part that can operate from a single 2.7V to 5.5V supply.
It contains two SPDT (Single Pole/Double Throw) switches
configured as a DPDT. The part was designed for switching
between USB High-Speed and USB Full-Speed sources in
portable battery powered products.
The 7Ω normally-closed (NC) FSx switches can swing rail to
rail and were specifically designed to pass USB full speed
data signals (12Mbps) that range from 0V to 3.6V. The 4.5Ω
normally-open (NO) HSx switches have high bandwidth and
low capacitance and were specifically designed to pass USB
high speed data signals (480Mbps) with minimal distortion.
The part can be used in Personal Media Players and other
portable battery powered devices that need to switch between
a high-speed transceiver and a full-speed transceiver while
connected to a single USB host (computer).
The digital logic inputs are 1.8V logic compatible when
operated with a 2.7V to 3.6V supply. The part has an enable
pin to open all switches. It can be used to facilitate proper bus
disconnect and connection when switching between the USB
sources.
The ISL54200 is available in a 10 Ld 3mmx3mm TDFN and a
small 10 Ld 2.1mmx1.6mm µTQFN packages. It operates
over a temperature range of -40 to +85°C.
Application Block Diagram
Features
• High Speed (480Mbps) and Full Speed (12Mbps)
Signaling Capability per USB 2.0
• 1.8V Logic Compatible (2.7V to +3.6V supply)
• Enable Pin to Open all Switches
• -3dB Frequency
- HSx Switches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 880MHz
- FSx Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 550MHz
• Cross-talk @ 1MHz . . . . . . . . . . . . . . . . . . . . . . . . . -70dB
• OFF Isolation @ 100kHz . . . . . . . . . . . . . . . . . . . . . -98dB
• Single Supply Operation (VDD) . . . . . . . . . . . . 2.7V to 5.5V
• Available in Ultra-thin µTQFN and TDFN Packages
• Pb-Free Plus Anneal (RoHS Compliant)
Applications
• MP3 and other Personal Media Players
• Cellular/Mobile Phones
• PDA’s
• Digital Cameras and Camcorders
VBUS
D-
D+
GND
3.3V
VDD
ISL54200
IN
LOGIC CIRCUITRY
COMD1
EN
4MΩ
HSD1
HSD2
COMD2
GND
FSD1
FSD2
µCONTROLLER
USB
HIGH-SPEED
TRANSCEIVER
USB
FULL-SPEED
TRANSCEIVER
PORTABLE MEDIA DEVICE
1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2007. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
1 page  
ISL54200
Electrical Specifications - 2.7V to 3.6V Supply Test Conditions: VDD = +3.3V, GND = 0V, VINH = 1.4V, VINL = 0.5V, VENH = 1.4V,
VENL = 0.5V, (Notes 4, 6), Unless Otherwise Specified (Continued)
PARAMETER
TEST CONDITIONS
TEMP MIN
(°C) (Note 5)
TYP
MAX
(Note 5) UNITS
DIGITAL INPUT CHARACTERISTICS
Input Voltage Low, VINL, VENL
VDD = 2.7V to 3.6V
Full -
- 0.5 V
Input Voltage High, VINH, VENH VDD = 2.7V to 3.6V
Full 1.4
-
-V
Input Current, IINL, IENL
VDD = 3.6V, IN = 0V, EN = 0V
Full - 10 - nA
Input Current, IINH
VDD = 3.6V, IN = 3.6
Full - 10 - nA
Input Current, IENH
VDD = 3.6V, EN = 3.6
Full - 1 - μA
NOTES:
4. VLOGIC = Input voltage to perform proper function.
5. The algebraic convention, whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet.
6. Parameters with limits are 100% tested at +25°C. Limits across the full temperature range are guaranteed by design and correlation.
7. Flatness is defined as the difference between maximum and minimum value of on-resistance over the specified analog signal range
8. r(ON) matching between channels is calculated by subtracting the channel with the highest max r(ON) value from the channel with lowest max
r(ON) value, between HSD2 and HSD1 or between FSD2 and FSD1.
Test Circuits and Waveforms
VINH
LOGIC
INPUT
VINL
SWITCH
INPUT
VINPUT
SWITCH
OUTPUT 0V
50%
tOFF
VOUT
90%
tON
tr < 20ns
tf < 20ns
90%
VDD
VINPUT
SWITCH
INPUT
EN
HSx or FSx
IN
VIN GND
COMx
VOUT
RL
45W
CL
10pF
Logic input waveform is inverted for switches that have the opposite
logic sense.
FIGURE 1A. MEASUREMENT POINTS
Repeat test for all switches. CL includes fixture and stray
capacitance.
VOUT
=
V (INPUT)
-----------R-----L-----------
RL + r(ON)
FIGURE 1. SWITCHING TIMES
FIGURE 1B. TEST CIRCUIT
5 FN6408.0
January 24, 2007
5 Page 
ISL54200
Typical Performance Curves TA = +25°C, Unless Otherwise Specified (Continued)
VDD = 3.3V
TIME (0.2ns/DIV.)
FIGURE 9. EYE PATTERN WITH FAREND MASK: 480MBPS USB SIGNAL WITH HSX SWITCHES IN THE SIGNAL PATH
11 FN6408.0
January 24, 2007
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet ISL54200.PDF ] | |
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