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1
FN7450.1
EL9111, EL9112
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 V
GAIN
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.)
The 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.
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
Pinouts
EL9111
(28-PIN QFN)
TOP VIEW
EL9112
(28-PIN QFN)
TOP VIEW
THERMAL
PAD
22
21
20
19
18
17
16
2
2
2
2
2
9
1
V
1
V
1
V
1
V
1
2
3
4
5
6
7
VSMO_B
VOUT_B
VSPO_B
VSPO_G
VOUT_G
VSMO_G
VSMO_R
VSP
VINM_B
VINP_B
VINM_G
VINP_G
VINM_R
VINP_R
0
E
X
S
V
V
8
15
1
V
2
VSM
VOUT_R
H
THERMAL
PAD
22
21
20
19
18
17
16
2
2
2
2
2
9
1
V
1
V
1
V
1
V
1
2
3
4
5
6
7
VSMO_B
VOUT_B
VSPO_B
VSPO_G
VOUT_G
VSMO_G
VSMO_R
VSP
VINM_B
VINP_B
VINM_G
VINP_G
VINM_R
VINP_R
0
E
X
V
V
V
8
15
1
V
2
VSM
VOUT_R
V
Data Sheet
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.
May 17, 2005