MAX14886CTL+ Maxim Integrated Products, MAX14886CTL+ Datasheet

Video ICs 1:2 HDMI SWITCH 1:2 HDMI Switch

MAX14886CTL+

Manufacturer Part Number
MAX14886CTL+
Description
Video ICs 1:2 HDMI SWITCH 1:2 HDMI Switch
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX14886CTL.pdf (10 pages)

Specifications of MAX14886CTL+

Operating Supply Voltage
3.3 V
Maximum Operating Temperature
+ 70 C
Package / Case
TQFN-40
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Number Of Channels
2
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
19-5707; Rev 0; 12/10
The MAX14886 high-speed, low-skew, active redriver
multiplexer is ideal for switching between outputs of
dual-graphics systems and signal conditioning to meet
HDMIK v.1.4 compliance up to 2.25Gbps at an external
HDMI connector. It is used for switching between inte-
grated (e.g., Intel or AMD) and discrete graphics (e.g.,
NVIDIA or ATI GPU). The device is VESA DisplayPortK
Interoperability Guideline v.1.1a-compliant (requires
external DDC logic) and integrates seamlessly with an
external HDMI connector on the motherboard.
The device accommodates differential inputs as low
as 200mV and drives transition minimized differential
signaling (TMDS
resistor on the output level adjust pin (ADJ) allows differ-
entiated output back-termination resistors of 400I (typ)
to better meet HDMI mask jitter compliance, while main-
taining full TMDS swing requirements. The device sup-
ports AC-(DisplayPort) or DC-(HDMI) coupling directly
to the graphics IC and must be DC-coupled to the HDMI
connector. In addition, the device features current back-
flow protection at the HDMI connector and a low-power,
active-high or active-low shutdown mode.
The device operates with a single +3.3V supply, is
specified over the 0NC to +70NC commercial temperature
range, and is available in a 5mm x 5mm, 40-pin TQFN
package.
HDMI is a trademark of HDMI Licensing, LLC.
DisplayPort is a trademark of Video Electronics Standards
Association (VESA).
TMDS is a registered trademark of Silicon Image, Inc.
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.
Dual Graphics Notebook Computers
Dual Mode DisplayPort to HDMI External
Switches or Adapters
®
_______________________________________________________________ Maxim Integrated Products 1
) outputs to 1000mV (typ). A precision
Dual DisplayPort Graphics Multiplexer
General Description
Applications
with HDMI Level Shifter
S
S
S
S
S
S
+Denotes a lead(Pb)-free/RoHS-compliant package.
*EP = Exposed pad.
MAX14886CTL+
Single +3.3V Supply
Meets HDMI v.1.4 Eye Mask Up to 2.25Gbps
Meets VESA DisplayPort Interoperability Guideline
v.1.1a (Requires External DDC Logic)
Low-Power Shutdown Mode
Output Level Adjust (ADJ) for Output Back-
Termination Without Amplitude Loss
Seamless Integration into Dual-Graphics Systems
with External HDMI Connector
Active High or Active Low
DC-Coupled HDMI Outputs Mate Directly to
AC- or DC-Coupled TMDS-Formatted Inputs
PART
100nF
100nF
HDMI Connector
D0AP
D0AN
CKAP
CKAN
D0BP
D0BN
CKBP
CKBN
MAX14886
3.3V
Typical Operating Circuit
V
CC
GND
TEMP RANGE
CKCN
D0CP
D0CN
CKCP
Ordering Information
0NC to +70NC
EN1
EN2
ADJ
SEL
3.3kΩ
50Ω
PIN-PACKAGE
40 TQFN-EP*
Features
V
AVCC
= 3.3V

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MAX14886CTL+ Summary of contents

Page 1

... Seamless Integration into Dual-Graphics Systems S with External HDMI Connector DC-Coupled HDMI Outputs Mate Directly to HDMI Connector AC- or DC-Coupled TMDS-Formatted Inputs Ordering Information PART TEMP RANGE MAX14886CTL+ 0NC to +70NC +Denotes a lead(Pb)-free/RoHS-compliant package. *EP = Exposed pad. Typical Operating Circuit 3.3V 100nF V CC D0AP ...

Page 2

Dual DisplayPort Graphics Multiplexer with HDMI Level Shifter ABSOLUTE MAXIMUM RATINGS (Voltages referenced to GND.) V .......................................................................-0.3V to +4.0V CC EN1, EN2, SEL, ADJ ................................ -0. D_CP, D_CN, CKCP, CKCN Short-Circuit Output Current ............................................................. Q30mA All Other Pins ...

Page 3

Dual DisplayPort Graphics Multiplexer ELECTRICAL CHARACTERISTICS (continued +3.3V 0NC to +70NC ADJ PARAMETER SYMBOL AC PERFORMANCE Differential Input Return Loss SDD11 Input Frequency Range Differential Input Range V Differential Output Voltage V Output ...

Page 4

Dual DisplayPort Graphics Multiplexer with HDMI Level Shifter (V = +3.3V +25NC 3.3kI, unless otherwise noted ADJ EYE DIAGRAM 1600mV , IN P-P 250Mbps, NO BACK TERMINATION, 25MHz CLOCK, 640 x 480, ...

Page 5

Dual DisplayPort Graphics Multiplexer TOP VIEW *CONNECT EP TO GND. PIN NAME FUNCTION 1 D0AP Noninverting Input D0 for Channel A 2 D0AN Inverting Input D0 for Channel A 3 D0BP Noninverting Input D0 for Channel B 4 D0BN Inverting ...

Page 6

Dual DisplayPort Graphics Multiplexer with HDMI Level Shifter 50Ω 50Ω D2AP D2AN V CC 50Ω 50Ω D2BP D2BN V CC 50Ω 50Ω D1AP D1AN V CC 50Ω 50Ω D1BP D1BN V CC MULTIPLEXER/ LIMITING AMPLIFIER 50Ω ...

Page 7

Dual DisplayPort Graphics Multiplexer Detailed Description The MAX14886 is a high-speed, low-skew, active redriver multiplexer designed to switch and amplify TMDS-formatted signals. Input buffers have 50I HDMI- compliant terminations Diagram/Truth Tables), allowing either DC-coupling to an HDMI ...

Page 8

Dual DisplayPort Graphics Multiplexer with HDMI Level Shifter D0AP D0AN CKAP CKAN D0BP D0BN CKBP CKBN FOR DisplayPort SOURCE, ADD AC-COUPLING CAPACITORS. Figure 1. HDMI Driver Application with Output Back Termination MAX14886 EN1 CONTROL CPU 10k Ω EN 10k Ω ...

Page 9

Dual DisplayPort Graphics Multiplexer Exposed-Pad Package The exposed-pad, 40-pin TQFN package incorporates features that provide a very low thermal resistance path for heat removal from the IC. The exposed pad on the device must be soldered to the circuit board ...

Page 10

... 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 10 2010 Maxim Integrated Products © ...

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