Rainbow-electronics MAX14998 Manual do Utilizador descarregar pdf

_______________________________________________________________ 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.

Two-Lane and Four-Lane DisplayPort Passive

Switches with Separate AUX/HPD Control

MAX4998/MAX14998

19-5033; Rev 0; 10/09

Typical Operating Circuit appears at end of data sheet.

General Description

The MAX4998/MAX14998 high-speed passive switches

route DisplayPort™ between two possible destinations

or vice versa in laptops or desktop PCs. The MAX4998/

MAX14998 are intended to be used where ultra-high-

speed performance and minimal input capacitance is

required.

The MAX4998 has three double-pole/double-throw

(DPDT) switches and one single-pole/double-throw

(SPDT) switch. Two DPDT switches are for high-frequen-

cy switching, one DPDT switch is for AUX, and the one

SPDT switch is for HPD. The two high-frequency switches

are selected by SEL1, and the AUX and HPD are selected

by SEL2. This part is suitable for two-lane DisplayPort

switching.

The MAX14998 has six double-pole/double-throw (DPDT)

switches. Four DPDT switches are for high-frequency

switching, and two DPDT switches are for AUX and HPD.

The four high-frequency switches are selected by SEL1,

and the AUX and HPD are selected by SEL2. This part is

suitable for four-lane DisplayPort switching.

The MAX4998/MAX14998 are fully specified to operate

from a single +3.3V (typ) power supply. The MAX4998

is available in a 3.5mm x 5.5mm, 28-pin TQFN package

with exposed pad, and the MAX14998 is available in a

3.5mm x 9mm, 42-pin TQFN package with exposed pad.

Both devices operate over the -40NC to +85NC extended

temperature range.

Applications

Notebook PCs

Desktop PCs

Features

S Single 3.3V Power-Supply Voltage

S 5GHz Bandwidth

S Support 1.6/2.7Gbps DisplayPort Signals

S Excellent Return Loss -14dB at 1.35GHz

S Independent High Frequency: AUX Select

S Designed for AC-Coupled Circuits

S Pass Throughs Are Maintained

S Low 850µA (max) Supply Current

S Small Packages

3.5mm x 5.5mm, 28-Pin TQFN Package with

Exposed Pad

3.5mm x 9mm, 42-Pin TQFN Package with

Exposed Pad

S Flow-Through Layout for Easy Board Layout

S ESD Protection for All I/O Pins: Human Body

Model (HBM) Q4kV

Ordering Information

+Denotes a lead(Pb)-free/RoHS-compliant package.

T = Tape and reel.

*Future Product. Contact factory for availability.

**EP = Exposed Pad.

DisplayPort is a trademark of Video Electronics Standards

Association (VESA).

PART TEMP RANGE PIN-PACKAGE

MAX4998ETI+T

-40NC to +85NC

28 TQFN-EP**

MAX14998ETO+T*

-40NC to +85NC

42 TQFN-EP**

1 2 3 4 5 6 7 8 9 10

MAX4998/MAX14998 1

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_______________________________________________________________ Maxim Integrated Products 1For pricing, delivery, and ordering information, pleas

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Two-Lane and Four-Lane DisplayPort Passive Switches with Separate AUX/HPD ControlMAX4998/MAX14998Maxim cannot assume responsibility for use of any cir

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Two-Lane and Four-Lane DisplayPort Passive Switches with Separate AUX/HPD ControlMAX4998/MAX149982 _______________________________________________

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Two-Lane and Four-Lane DisplayPort Passive Switches with Separate AUX/HPD ControlMAX4998/MAX149984 _______________________________________________

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Two-Lane and Four-Lane DisplayPort Passive Switches with Separate AUX/HPD ControlMAX4998/MAX14998_____________________________________________________

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Two-Lane and Four-Lane DisplayPort Passive Switches with Separate AUX/HPD ControlMAX4998/MAX149988 _______________________________________________

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Two-Lane and Four-Lane DisplayPort Passive Switches with Separate AUX/HPD ControlMAX4998/MAX14998_____________________________________________________

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Rainbow-electronics MAX14998 Manual do Utilizador

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