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EL9112 Schematic ( PDF Datasheet ) - Intersil Corporation

Teilenummer EL9112
Beschreibung (EL9111 / EL9112) Triple Differential Receiver/Equalizer
Hersteller Intersil Corporation
Logo Intersil Corporation Logo 




Gesamt 12 Seiten
EL9112 Datasheet, Funktion
®
Data Sheet
EL9111, EL9112
May 17, 2005
FN7450.1
Triple Differential Receiver/Equalizer
The EL9111 and EL9112 are triple channel differential
receivers and equalizers. They contains three high speed
differential receivers with five programmable poles. The
outputs of these pole blocks are then summed into an output
buffer. The equalization length is set with the voltage on a
single pin. The EL9111 and EL9112 also contain a 3-statable
output, enabling multiple devices to be connected in parallel
and used in a multiplexing application.
The gain can be adjusted up or down on each channel by
6dB using its VGAIN control signal. In addition, a further 6dB
of gain can be switched in to provide a matched drive into a
cable.
The EL9111 and EL9112 have a bandwidth of 150MHz and
consume just 108mA on ±5V supply. A single input voltage is
used to set the compensation levels for the required length
of cable.
The EL9111 is a special version of the EL9112 that decodes
syncs encoded onto the common modes of three pairs of
CAT-5 cable by the EL4543. (Refer to the EL4543 datasheet
for details.)
Thewww.DataSheet4U.com EL9111 and EL9112 are available in a 28-pin QFN
package and are specified for operation over the full -40°C to
+85°C temperature range.
Pinouts
EL9111
(28-PIN QFN)
TOP VIEW
Features
• 150MHz -3dB bandwidth
• CAT-5 compensation
- 50MHz @ 1000 ft
- 125MHz @ 500 ft
• 108mA supply current
• Differential input range 3.2V
• Common mode input range -4V to +3.5V
• ±5V supply
• Output to within 1.5V of supplies
• Available in 28-pin QFN package
• Pb-free available (RoHS compliant)
Applications
• Twisted-pair receiving/equalizer
• KVM (Keyboard/Video/Mouse)
• VGA over twisted-pair
• Security video
EL9112
(28-PIN QFN)
TOP VIEW
VSMO_B 1
VOUT_B 2
VSPO_B 3
VSPO_G 4
VOUT_G 5
VSMO_G 6
VSMO_R 7
VOUT_R 8
THERMAL
PAD
22 VSP
21 VINM_B
20 VINP_B
19 VINM_G
18 VINP_G
17 VINM_R
16 VINP_R
15 VSM
VSMO_B 1
VOUT_B 2
VSPO_B 3
VSPO_G 4
VOUT_G 5
VSMO_G 6
VSMO_R 7
VOUT_R 8
THERMAL
PAD
22 VSP
21 VINM_B
20 VINP_B
19 VINM_G
18 VINP_G
17 VINM_R
16 VINP_R
15 VSM
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-352-6832 | Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.






EL9112 Datasheet, Funktion
EL9111, EL9112
Typical Performance Curves (Continued)
FIGURE 5. GAIN vs FREQUENCY FOR VARIOUS VCTRL &
CABLE LENGTHS
FIGURE 6. CHANNEL MISMATCH
FIGURE 7. GROUP DELAY vs FREQUENCY FOR VARIOUS
VCTRL
FIGURE 8. OUTPUT NOISE
FIGURE 9. OFFSET vs VCTRL
6
FIGURE 10. DC GAIN vs VGAIN
FN7450.1
May 17, 2005

6 Page









EL9112 pdf, datenblatt
Package Outline Drawing
EL9111, EL9112
NOTE: The package drawing shown here may not be the latest version. To check the latest revision, please refer to the Intersil website at
http://www.intersil.com/design/packages/index.asp
All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9000 quality systems.
Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without
notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by 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 www.intersil.com
12 FN7450.1
May 17, 2005

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