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EL2140C Fiches technique(PDF) 1 Page - Elantec Semiconductor |
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EL2140C Fiches technique(HTML) 1 Page - Elantec Semiconductor |
1 / 12 page 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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