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Maxim Integrated Semiconductor Electronic Components Datasheet

MAX14886 Datasheet

Dual DisplayPort Graphics Multiplexer

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19-5707; Rev 0; 12/10
EVAALVUAAILTAIOBNLEKIT
Dual DisplayPort Graphics Multiplexerwww.DataSheet4U.com
with HDMI Level Shifter
General Description
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®) outputs to 1000mV (typ). A precision
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.
Applications
Dual Graphics Notebook Computers
Dual Mode DisplayPort to HDMI External
Switches or Adapters
Features
S Single +3.3V Supply
S Meets HDMI v.1.4 Eye Mask Up to 2.25Gbps
S Meets VESA DisplayPort Interoperability Guideline
v.1.1a (Requires External DDC Logic)
S Low-Power Shutdown Mode
Active High or Active Low
S Output Level Adjust (ADJ) for Output Back-
Termination Without Amplitude Loss
S Seamless Integration into Dual-Graphics Systems
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
PIN-PACKAGE
MAX14886CTL+
0NC to +70NC
40 TQFN-EP*
+Denotes a lead(Pb)-free/RoHS-compliant package.
*EP = Exposed pad.
Typical Operating Circuit
3.3V
VAVCC = 3.3V
100nF
VCC
D0AP
D0AN
D0CP
D0CN
50
CKAP
CKAN
CKCP
CKCN
100nF
MAX14886
D0BP
D0BN
CKBP
SEL
EN1
EN2
ADJ
CKBN
GND
3.3k
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.
________________________________________________________________ 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.


Maxim Integrated Semiconductor Electronic Components Datasheet

MAX14886 Datasheet

Dual DisplayPort Graphics Multiplexer

No Preview Available !

Dual DisplayPort Graphics Multiplexer
with HDMI Level Shifter
www.DataSheet4U.com
ABSOLUTE MAXIMUM RATINGS
(Voltages referenced to GND.)
VCC.......................................................................-0.3V to +4.0V
EN1, EN2, SEL, ADJ................................. -0.3V to (VCC + 0.3V)
D_CP, D_CN, CKCP, CKCN Short-Circuit
Output Current.............................................................. Q30mA
All Other Pins Short-Circuit Current................................... Q5mA
Continuous Power Dissipation (TA = +70NC)
TQFN (derate 35.7mW/NC above +70NC)...................2857mW
Operating Temperature Range.............................. 0NC to +70NC
Storage Temperature Range............................ -65NC to +150NC
Maximum Junction Temperature.....................................+150NC
Lead Temperature (soldering, 10s).................................+300NC
Soldering Temperature (reflow).......................................+260NC
PACKAGE THERMAL CHARACTERISTICS (Note 1)
TQFN
Junction-to-Ambient Thermal Resistance (qJA)...........45°C/W
Junction-to-Case Thermal Resistance (qJC)..................2°C/W
Note 1: Package thermal resistances were obtained using method described in JEDEC specification JESD51-7, using a four-layer
board. For detailed information on package thermal considerations, refer to www.maxim-ic.com/thermal-tutorial.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(VCC = +3.3V, TA = 0NC to +70NC, RADJ = 3.3kI, CCL = 100nF, typical values are at TA = +25NC.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP
DC PERFORMANCE
Supply Voltage
Supply Current
VCC
ICC EN1 = high, EN2 = low
3
Total Supply Current
IGND
50I termination to AVCC, VAVCC = +3.3V
(Note 3)
Shutdown Supply Current
ISHUT EN1 = low or EN2 = high
Single-Ended Input Termination
Resistance
RIN DC
40
Single-Ended Output Voltage
High
VOH
DC, VAVCC = +3.3V (Notes 3, 4)
VAVCC
- 0.01
Single-Ended Output Voltage
Low
VOL DC, VAVCC = +3.3V (Notes 3, 4)
VAVCC
- 0.6
MAX UNITS
3.6
52.5
105
100
60
VAVCC
+ 0.01
VAVCC
- 0.45
V
mA
mA
FA
I
V
V
2


Part Number MAX14886
Description Dual DisplayPort Graphics Multiplexer
Maker Maxim Integrated Products
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MAX14886 Datasheet PDF






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