MAX14998ETO+T Maxim Integrated Products, MAX14998ETO+T Datasheet

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MAX14998ETO+T

Manufacturer Part Number
MAX14998ETO+T
Description
IC DIPLAY PORT MUX 4CH 42-TQFN
Manufacturer
Maxim Integrated Products
Datasheet

Specifications of MAX14998ETO+T

Function
Switch
Circuit
6 x DPDT
On-state Resistance
7 Ohm
Voltage Supply Source
Single Supply
Voltage - Supply, Single/dual (±)
3.3V
Current - Supply
500µA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
42-WFQFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
MAX14998ETO+T
MAX14998ETO+TTR
19-5033; Rev 1; 8/10
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.
DisplayPort is a trademark of Video Electronics Standards
Association (VESA).
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
Notebook PCs
Desktop PCs
Switches with Separate AUX/HPD Control
_______________________________________________________________ Maxim Integrated Products 1
General Description
Applications
+Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
*EP = Exposed pad.
S
S
S
S
S
S
S
S
S
S
S
Typical Operating Circuit appears at end of data sheet.
MAX4998ETI+T
MAX14998ETO+T
Single 3.3V Power-Supply Voltage
8.5GHz (typ) Bandwidth
Support 1.6/5.4Gbps DisplayPort Signals
Excellent Return Loss -13dB at 2.7GHz
Independent High Frequency: AUX Select
Designed for AC-Coupled Circuits
Pass Throughs Are Maintained
Low 850µA (max) Supply Current
Small Packages
Flow-Through Layout for Easy Board Layout
ESD Protection for All I/O Pins: Human Body
Model (HBM) Q4kV
Handles DisplayPort v1.1 Signals
Handles DisplayPort v1.2 Signals
3.5mm x 5.5mm, 28-Pin TQFN Package with
3.5mm x 9mm, 42-Pin TQFN Package with
Exposed Pad
Exposed Pad
PART
Ordering Information
-40NC to +85NC
-40NC to +85NC
TEMP RANGE
PIN-PACKAGE
28 TQFN-EP*
42 TQFN-EP*
Features

Related parts for MAX14998ETO+T

MAX14998ETO+T Summary of contents

Page 1

... ESD Protection for All I/O Pins: Human Body S Model (HBM) Q4kV Ordering Information PART TEMP RANGE MAX4998ETI+T -40NC to +85NC MAX14998ETO+T -40NC to +85NC +Denotes a lead(Pb)-free/RoHS-compliant package Tape and reel. *EP = Exposed pad. Typical Operating Circuit appears at end of data sheet. Features PIN-PACKAGE 28 TQFN-EP* ...

Page 2

Two-Lane and Four-Lane DisplayPort Passive Switches with Separate AUX/HPD Control ABSOLUTE MAXIMUM RATINGS (All voltages referenced to GND, unless otherwise noted.) V ..........................................................................-0.3V to +4V DD SEL1, SEL2, COM_, NO_, NC_ (Note 1) .....-0. ...

Page 3

Two-Lane and Four-Lane DisplayPort Passive Switches with Separate AUX/HPD Control ELECTRICAL CHARACTERISTICS (continued +3.3V Q10 MIN MAX, noted.) (Note 3) PARAMETER SYMBOL SEL1 and SEL2 to Switch t OFF_SEL Turn-Off Time ...

Page 4

Two-Lane and Four-Lane DisplayPort Passive Switches with Separate AUX/HPD Control +3.3V 0.1µ SEL1 COM_+ 0V SEL2 MAX4998 MAX14998 COM_- NC_+ 50Ω NO_+ 50Ω NO_- NC_- GND DIFFERENTIAL INSERTION LOSS/DIFFERENTIAL RETURN LOSS DIFFERENTIAL INSERTION LOSS = 20log 0V ...

Page 5

Two-Lane and Four-Lane DisplayPort Passive Switches with Separate AUX/HPD Control (T = +25°C, unless otherwise noted.) A ON-RESISTANCE vs. COM_ VOLTAGE 8 3. 15mA 7.5 COM_ 7.0 6.5 6.0 5.5 5.0 4.5 4.0 -0.1 0.1 ...

Page 6

Two-Lane and Four-Lane DisplayPort Passive Switches with Separate AUX/HPD Control TOP VIEWS NC1- 26 NC1+ MAX4998 NC0- 27 NC0 ...

Page 7

Two-Lane and Four-Lane DisplayPort Passive Switches with Separate AUX/HPD Control PIN NAME MAX4998 MAX14998 23 34 NO0+ 24 — GND 25 39 NC1 NC1 NC0 NC0+ — 10 COM3- — 11 COM4+ — 12 ...

Page 8

Two-Lane and Four-Lane DisplayPort Passive Switches with Separate AUX/HPD Control V DD MAX14998 COM0+ COM0- COM1+ COM1- COM2+ COM2- COM3+ COM3- COM4+ COM4- COM5+ COM5- SEL1 SEL2 GND SEL1 EVENT 0 COM_ TO NC_ 1 COM_ TO NO_ SEL2 EVENT ...

Page 9

Two-Lane and Four-Lane DisplayPort Passive Switches with Separate AUX/HPD Control V = +1.1V CC GRAPHICS AND MEMORY CONTROLLER HUB DP0 DP1 AUX HPD CHANNEL SELECT CHANNEL SELECT NOTE: THE APPLICATION SHOWN IS A TWO-LANE SWITCH BETWEEN THE DOCKING STATION AND ...

Page 10

Two-Lane and Four-Lane DisplayPort Passive Switches with Separate AUX/HPD Control Applications Information High-speed switches require proper layout and design procedures for optimum performance. Keep design- controlled impedance PCB traces as short as possible. Ensure that power-supply bypass capacitors are placed ...

Page 11

... 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 2010 Maxim Integrated Products © ...

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