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EL2140C Datasheet(Fiches technique) 1 Page - Elantec Semiconductor

Numéro de pièce EL2140C
Description  150 MHz Differential Twisted Pair Driver
Télécharger  12 Pages
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Fabricant  ELANTEC [Elantec Semiconductor]
Site Internet  http://www.elantec.com
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EL2140C2141C
150 MHz Differential Twisted Pair Driver
Note All information contained in this data sheet has been carefully checked and is believed to be accurate as of the date of publication however this data sheet cannot be a ‘‘controlled document’’ Current revisions if any to these
specifications are maintained at the factory and are available upon your request We recommend checking the revision level before finalization of your design documentation
1995 Elantec Inc
Features
 Fully differential inputs outputs
and feedback
 Differential input range g23V
 150 MHz 3 dB bandwidth
 800 V ms slew rate
 b55 dB distortion at 3 MHz
 b75 dB distortion at 100 kHz
 g5V supplies or a6V single
supply
 50 mA minimum output current
 Output swing (200X load) to
within 15V of supplies
(14V pk-pk differential)
 Low power-11 mA typical supply
current
Applications
 Twisted pair driver
 Differential line driver
 VGA over twisted pair
 ADSLHDSL driver
 Single ended to differential
amplification
 Transmission of analog signals in
a noisy environment
Ordering Information
Part No
Temp Range
Package
Outline
EL2140CN
b
40 Cto a85 C 8-pin PDIP MDP0031
EL2140CS
b
40 Cto a85 C 8-pin SOIC
MDP0027
EL2141CN
b
40 Cto a85 C 8-pin PDIP MDP0031
EL2141CS
b
40 Cto a85 C 8-pin SOIC
MDP0027
General Description
The EL2140C2141C is a very high bandwidth amplifier whose
output is in differential form and is thus primarily targeted for
applications such as driving twisted pair lines or any applica-
tion where common mode injection is likely to occur The input
signal can be in either single-ended or differential form but the
output is always in differential form
On the EL2141C two feedback inputs provide the user with the
ability to set the device gain (stable at minimum gain of two)
whereas the EL2140C comes with a fixed gain of two
The output common mode level is set by the reference pin
(VREF) which has a b3 dB bandwidth of over 100 MHz Gen-
erally this pin is grounded but it can be tied to any voltage
reference
The transmission of ADSLHDSL signals requires very low
distortion amplification so this amplifier was designed with
this as a primary goal The actual signal distortion levels de-
pend upon input and output signal amplitude as well as the
output load impedance (See distortion data inside)
Both outputs (VOUT VOUTB) are short circuit protected to
withstand temporary overload condition
Connection Diagrams
EL2140C
EL2141C
2140-1
2140-2




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