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MAX14585AEVBT

Description
Hi-Speed USB and Audio Switches with Negative Signal Capability and High-Voltage-Tolerable
File Size2MB,12 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX14585AEVBT Overview

Hi-Speed USB and Audio Switches with Negative Signal Capability and High-Voltage-Tolerable

19-5878; Rev 0; 5/11
EVALUATION KIT AVAILABLE
MAX14585/MAX14585A
Hi-Speed USB and Audio Switches with Negative Signal
Capability and High-Voltage-Tolerable V
BUS
Detection
General Description
The MAX14585/MAX14585A high-ESD-protected double-
pole/double-throw (DPDT) switches multiplex Hi-Speed
(480Mbps) USB and analog signals such as AC-coupled
audio or video. These devices combine the low on-
capacitance (C
ON
) and low on-resistance (R
ON
) neces-
sary for high-performance switching applications in por-
table electronics and include an internal negative supply
to pass audio signals that swing below ground down to
-1.8V. The devices also handle USB low-/full-speed sig-
naling and operate from a 2.7V to 5.5V supply.
The devices feature a V
BUS
detection input (V
B
) that can
handle voltage up to 28V to automatically switch to the
USB signal path upon detection of a valid V
BUS
signal (V
B
> V
VBDET
). In a dead battery situation, the voltage on V
B
can supply power to the part if V
B
is greater than 4.5V. The
MAX14585 features internal shunt resistors on the audio
path to reduce clicks and pops heard at the output.
The MAX14585/MAX14585A are available in a space-
saving, 10-pin, 1.4mm x 1.8mm UTQFN package and
operate over the -40NC to +85NC temperature range.
Benefits and Features
S
Low Power Consumption
Low Supply Current 7µA (typ)
Single 2.7V to 5.5V Supply Operation, V
CC
S
Flexible Design
Dual Power-Supply Architecture, V
B
and V
CC
ANO½ Channel Override Control Input
S
High Level of Integration for Performance
28V-Capable V
B
Input with Automatic UNC½
Selection by V
BUS
Detection
Low-Capacitance Hi-Speed USB for Both
Channels (UNC½ and ANO½)
Distortion-Free Negative Signal Throughput
Down to -1.8V on ANO½ Channel
(typ) On-Resistance
3I
960MHz Bandwidth
0.04% THD+N Audio Channel
±15kV Human Body Model (HBM) ESD on
COM1, COM2
S
Saves Board Space
Internal Shunt Resistor Reduces Clicks and
Pops (MAX14585)
10-Pin, 1.4mm x 1.8mm UTQFN Package
Ordering Information
appears at end of data sheet.
For related parts and recommended products to use with this part,
refer to
www.maxim-ic.com/MAX14585.related.
Applications
Cell Phones
PDAs and Handheld Devices
Tablet PCs
Typical Operating Circuit
3.0V 0.1µF
V
CC
HI-SPEED
USB
TRANSCEIVER
UNC1
UNC2
MAX14585/MAX14585A
V
CCINT
COM1
COMBINATION
USB AND AUDIO
CONNECTOR
COM2
AUDIO
AMPLIFIER
AN01
AN02
V
BUS
V
B
MAX14585
ONLY
V
VBDET
GND
AOR
½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½½
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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Description Hi-Speed USB and Audio Switches with Negative Signal Capability and High-Voltage-Tolerable Hi-Speed USB and Audio Switches with Negative Signal Capability and High-Voltage-Tolerable Hi-Speed USB and Audio Switches with Negative Signal Capability and High-Voltage-Tolerable Hi-Speed USB and Audio Switches with Negative Signal Capability and High-Voltage-Tolerable Hi-Speed USB and Audio Switches with Negative Signal Capability and High-Voltage-Tolerable
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