QLX4270-DP_10 INTERSIL [Intersil Corporation], QLX4270-DP_10 Datasheet

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QLX4270-DP_10

Manufacturer Part Number
QLX4270-DP_10
Description
DisplayPort Lane Extender
Manufacturer
INTERSIL [Intersil Corporation]
Datasheet
DisplayPort Lane Extender
QLx4270-DP
The QLx4270-DP is a settable quad receive-side
equalizer with extended functionality for DisplayPort
applications. The QLx4270-DP compensates for the
frequency dependent attenuation of copper cables,
allowing operation on ultra-thin 40AWG cable.
The small form factor, highly-integrated quad design is
ideal for high-density data transmission applications
including active copper cable assemblies.
Operating on a single 1.2V power supply, the
QLx4270-DP enables per channel throughputs of up to
2.7Gb/s. The QLx4270-DP uses current mode logic (CML)
inputs/outputs and is packaged in a 4mmx7mm 46 lead
QFN.
Typical Application Circuit
March 3, 2010
FN6972.2
Tx1[P,N]
Tx2[P,N]
Tx3[P,N]
Tx4[P,N]
1
1-888-INTERSIL or 1-888-468-3774
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
4-Pair Differential 100
Twin-Axial Cable
< 5m, 40AWG
Twin Ax
Features
• Supports data rates up to 2.7Gb/s per lane
• Low power (78mW per channel)
• Low latency (<500ps)
• Four equalizers in a 4mmx7mm QFN package for
• Each equalizer boost is independently pin selectable
• 1.2V supply voltage
Applications
• DisplayPort (VESA DisplayPort Standard v1.1a)
• DisplayPort adaptors and repeaters
Benefits
• Thinner gauge cable
• Extends cable reach greater than 5x
• Improved BER
straight route-through architecture and simplified
routing
and programmable
All other trademarks mentioned are the property of their respective owners.
|
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2009, 2010. All Rights Reserved
0.1µF
0.1µF
0.1µF
0.1µF
100pF
10nF
1.2V
V
IN1[P,N]
IN2[P,N]
IN3[P,N]
IN4[P,N]
QLx4270-DP
DD
Connector Module
EP
CP
OUT1[P,N]
OUT2[P,N]
OUT3[P,N]
OUT4[P,N]
BGREF
GND
6.04k
0.1µF
0.1µF
0.1µF
0.1µF
Rx1[P,N]
Rx2[P,N]
Rx3[P,N]
Rx4[P,N]

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QLX4270-DP_10 Summary of contents

Page 1

... The small form factor, highly-integrated quad design is ideal for high-density data transmission applications including active copper cable assemblies. Operating on a single 1.2V power supply, the QLx4270-DP enables per channel throughputs 2.7Gb/s. The QLx4270-DP uses current mode logic (CML) inputs/outputs and is packaged in a 4mmx7mm 46 lead QFN. ...

Page 2

... NiPdAu plate - e4 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. Pin Configuration 2 QLx4270-DP TEMP. RANGE (° + QFN 7” ...

Page 3

... A is the MSB, and C is the LSB. Pins are internally pulled down through a 25kΩ resistor. Exposed Pad - Exposed ground pad. For proper electrical and thermal performance, this pad should be connected to the PCB ground plane. 3 QLx4270-DP DESCRIPTION FN6972.2 March 3, 2010 ...

Page 4

... DD (Differential) Output Return Loss (Common Mode) 4 QLx4270-DP Thermal Information Thermal Resistance (Typical QFN (Notes Operating Ambient Temperature Range . . . . . . 0°C to +70°C Storage Ambient Temperature Range . . . . -55°C to +150°C Maximum Junction Temperature . . . . . . . . . . . . . . . +125°C Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . .see link below http://www ...

Page 5

... Lane-to-Lane Skew Propagation Delay NOTES: 4. After channel loss, differential amplitudes at QLx4270-DP inputs must meet the input voltage range specified in “Absolute Maximum Ratings” on page 4. 5. Temperature = +25° 1.2V Output residual jitter is the difference between the total jitter at the lane extender output and the total jitter of the transmitted signal (as measured at the input to the channel) ...

Page 6

... Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries. For information regarding Intersil Corporation and its products, see 6 QLx4270-DP ® product www.intersil.com/product_tree www.intersil.com/design/quality www ...

Page 7

... LEAD THIN QUAD FLAT NO-LEAD PLASTIC PACKAGE (TQFN) Rev 0, 9/09 4.00 6 PIN 1 INDEX AREA (4X) 0.05 TOP VIEW 0.70 ±0.05 SIDE VIEW ( 3. 2.50 5.50 ) TYPICAL RECOMMENDED LAND PATTERN 7 QLx4270- SIDE VIEW SEE DETAIL "X" 0. SEATING PLANE 0.05 C NOTES: 1. Dimensions are in millimeters. Dimensions Dimensioning and tolerancing conform to AMSE Y14.5m-1994. ...

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