EL5178, EL5378
®
Data Sheet
March 8, 2005
FN7491.1
700MHz Differential Twisted-Pair Drivers
Features
The EL5178 and EL5378 are single and triple high
bandwidth amplifiers with an output in differential form. They
are primarily targeted for applications such as driving
twisted-pair lines in component video applications. The
inputs can be in either single-ended or differential form but
the outputs are always in differential form.
• Fully differential inputs, outputs, and feedback
• Differential input range ±2.3V
• 700MHz 3dB bandwidth
• 1000V/µs slew rate
• Low distortion at 5MHz and 20MHz
• Single 5V or dual ±5V supplies
• 60mA maximum output current
• Low power - 12.5mA per channel
• Pb-free available (RoHS compliant)
On the EL5178 and EL5378, two feedback inputs provide
the user with the ability to set the gain of each device (stable
at minimum gain of 2).
The output common mode level for each channel is set by
the associated REF pin, which have a -3dB bandwidth of
over 110MHz. Generally, these pins are grounded but can be
tied to any voltage reference.
Applications
• Twisted-pair driver
All outputs are short circuit protected to withstand temporary
overload condition.
• Differential line driver
The EL5178 is available in 8-pin MSOP and SO packages
and EL5378 is available in a 28-pin QSOP package. All
specified for operation over the full -40°C to +85°C
temperature range.
• VGA over twisted-pair
• ADSL/HDSL driver
• Single ended to differential amplification
• Transmission of analog signals in a noisy environment
Pinouts
EL5178
(8-PIN MSOP, SO)
TOP VIEW
EL5378
(28-PIN QSOP)
TOP VIEW
FBP
IN+
1
2
3
4
8
7
6
5
OUT+
VS-
NC
INP1
INN1
1
2
3
28 OUT1
27 FBP1
26 FBN1
25 OUT1B
24 VSP
+
-
+
-
REF
FBN
VS+
OUT-
REF1 4
NC
INP2
INN2
REF2
NC
5
6
7
8
9
23 VSN
22 OUT2
21 FBP2
20 FBN2
19 OUT2B
18 OUT3
17 FBP3
16 FBN3
15 OUT3B
+
-
INP3 10
INN3 11
REF3 12
NC 13
+
-
EN 14
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
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1
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