MAX14531E Datasheet PDF - Maxim Integrated Products
| Part Number | MAX14531E | |
| Description | (MAX14531E - MAX14534E) USB 2.0 Hi-Speed And Audio Switches | |
| Manufacturers | Maxim Integrated Products | |
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19-4597; Rev 0; 4/09
www.DataSheet4U.com
USB 2.0 Hi-Speed and Audio Switches with
Negative Signal Capability and ±15kV ESD
General Description
The MAX14531E–MAX14534E high ESD-protected
DP3T switches multiplex Hi-Speed (480 Mbps) USB
signals, low/full-speed USB signals, and analog sig-
nals such as AC-coupled audio or video through any
of three channels. These devices combine the low on-
capacitance (CON) and low on-resistance (RON) nec-
essary for high-performance switching applications in
portable electronics, and include an internal negative
supply to pass AC-coupled audio signals that swing
below ground (down to -2.0V). The MAX14531E–
MAX14534E operate from a +2.7V to +5.5V supply.
The MAX14531E–MAX14534E have a shutdown func-
tion to reduce supply current and set all channels to
high impedance. The MAX14531E–MAX14534E feature
a VBUS detection function through the CB0 input to
automatically switch to the default USB signal path
upon detection of a valid VBUS signal. The
MAX14532E/MAX14534E feature internal shunt resis-
tors on audio channels to reduce clicks and pops
heard at the output.
The MAX14531E–MAX14534E are available in a space-
saving, 12-bump, 1.5mm x 2.0mm WLP package and
operate over the -40°C to +85°C temperature range.
Applications
Cell Phones
MP3 Players
PDAs
Notebook Computers
Features
♦ Single +2.7V to +5.5V Supply Voltage
♦ Low 10µA (typ) Supply Current
♦ -3dB Bandwidth: 800MHz (typ)
♦ Low 2Ω (typ) On-Resistance
♦ 0.05% THD+N
♦ Internal Shunt Resistor for Click-and-Pop
Reduction (MAX14532E/MAX14534E)
♦ VBUS Detection for Automatic Switch Path
Selection
+28V Maximum Rated VBUS Detection Input
(CB0)
♦ Space-Saving, 12-Bump, 1.5mm x 2.0mm WLP
Package
Ordering Information/Selector Guide
PART
PIN-PACKAGE
SHUNT RESISTORS CB0 PULLDOWN RESISTOR
MAX14531EEWC+
12 WLP
NONE
No
MAX14532EEWC+
12 WLP
UAZ_
Yes
MAX14533EEWC+*
12 WLP
NONE
Yes
MAX14534EEWC+*
12 WLP
UAY_/UAZ_
Yes
Note: All devices are specified over the -40°C to +85°C operating temperature range.
+Denotes a lead(Pb)-free/RoHS-compliant package.
*Future product—contact factory for availability.
TOP MARK
AAT
AAU
AAV
AAW
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
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USB 2.0 Hi-Speed and Audio Switches with
Negative Signal Capability and ±15kV ESD
Layout
USB Hi-Speed requires careful PCB layout with 45Ω
single-ended/90Ω differential controlled impedance
matched traces of equal lengths. Ensure that bypass
capacitors are as close as possible to the device. Use
large ground planes where possible.
Power-Supply Sequencing
Caution: Do not exceed the absolute maximum rat-
ings because stresses beyond the listed ratings
may cause permanent damage to the device.
Proper power-supply sequencing is recommended for
all devices. Apply VCC before applying analog signals,
especially if the analog signal is not current limited.
PROCESS: BiCMOS
Chip Information
Package Information
For the latest package outline information and land patterns, go
to www.maxim-ic.com/packages.
PACKAGE TYPE PACKAGE CODE DOCUMENT NO.
12 WLP
W121A2-1
21-0009
Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are
implied. Maxim reserves the right to change the circuitry and specifications without notice at any time.
Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 _____________________ 5
© 2009 Maxim Integrated Products
Maxim is a registered trademark of Maxim Integrated Products, Inc.
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| Information | Total 5 Pages | |
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| Download | [ MAX14531E.PDF Datasheet ] | |
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