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EL4543

Renesas
Part Number EL4543
Manufacturer Renesas
Description Triple Differential Twisted-Pair Driver
Published May 30, 2020
Detailed Description DATASHEET EL4543 Triple Differential Twisted-Pair Driver with Common-Mode Sync Encoding FN7325 Rev 11.00 September 13,...
Datasheet PDF File EL4543 PDF File

EL4543
EL4543

Overview
DATASHEET EL4543 Triple Differential Twisted-Pair Driver with Common-Mode Sync Encoding FN7325 Rev 11.
00 September 13, 2007 The EL4543 is a high bandwidth triple differential amplifier with integrated encoding of video sync signals.
The inputs are suitable for handling high speed video or other communications signals in either single-ended or differential form, and the common-mode input range extends all the way to the negative rail enabling ground-referenced signalling in single supply applications.
The high bandwidth enables differential signalling onto standard twisted-pair or coax with very low harmonic distortion, while internal feedback ensures balanced gain and phase at the outputs reducing radiated EMI and harmonics.
Embedded logic encodes standard video horizontal and vertical sync signals onto the common mode of the twisted pair(s), transmitting this additional information without the requirement for additional buffers or transmission lines.
The EL4543 enables significant system cost savings when compared with discrete line driver alternatives.
The EL4543 is available in both a 24 Ld QSOP package and a 20 Ld QFN package and is specified for operation over the -40°C to +85°C temperature range.
TABLE 1.
SYNC SIGNAL ENCODING COMMON COMMON COMMON MODE A MODE B MODE C H V (RED) (GREEN) (BLUE) Low High 3.
0 2.
0 2.
5 Low Low 2.
5 3.
0 2.
0 High Low 2.
0 3.
0 2.
5 High High 2.
5 2.
0 3.
0 TABLE 2.
INPUT LOGIC THRESHOLD (+5V SUPPLY) VLO, max VHI, min 0.
8V 2V Features • Fully differential inputs, outputs, and feedback • 350MHz -3dB bandwidth • 1200V/µs slew rate • -75dB distortion at 5MHz • Single 5V to 12V operation • 50mA minimum output current • Low power - 36mA total typical supply current • Pb-free available (RoHS compliant) Applications • Twisted-pair drivers • Differential line drivers • VGA over twisted-pair • Transmission of analog signals in a noisy environment Ordering Information PART NUMBER PART MARKING PACKAGE PKG.
DWG.
...


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