EL9111IL-T13

Overview

The EL9111IL-T13 is a triple channel differential receiver and equalizer housed in a 28-lead QFN package. It operates on ±5V supplies with a total current consumption of 108mA. The device features a 150MHz -3dB bandwidth and includes five programmable poles for CAT-5 cable compensation, adjustable via a single VCTRL pin. Each channel offers 6dB gain adjustment through VGAIN pins, plus an additional switchable 6dB gain. The EL9111 variant uniquely decodes horizontal and vertical sync signals encoded on the common modes of three twisted pairs. It supports a differential input range of 3.2V and provides outputs within 1.5V of the supply rails.

Feature Summary

• Triple-channel differential reception with integrated equalization for twisted-pair cables
• Single-pin control for variable equalization length matching CAT-5 attenuation profiles
• Per-channel analog gain adjustment and switchable x2 output gain
• Common-mode sync decoding capability for H/V synchronization extraction

Applications

• Twisted-pair receiving and equalization circuits
• KVM (Keyboard/Video/Mouse) systems
• VGA transmission over twisted-pair cabling
• Security video signal processing

Procurement Notes

Verify the specific suffix 'T13' indicates the 13-inch tape and reel packaging configuration as listed in the ordering information. Confirm that the component is sourced from Intersil or its authorized successors, noting the manufacturer transition to Renesas Electronics Corporation. Ensure the datasheet revision matches the required specifications for your design implementation.

Selection Notes

Select the EL9111 when sync decoding from CAT-5 common modes is required; otherwise, use the EL9112. Ensure the application utilizes ±5V power supplies and requires a 150MHz bandwidth. Verify that the 28-lead QFN package fits the PCB layout constraints and that the exposed die plate can be connected to the -5V rail for proper thermal and electrical operation.

Part Context

This component belongs to the EL9111/EL9112 family of high-speed differential receivers. It was originally manufactured by Intersil Corporation before being acquired by Renesas Electronics. The part is designated as obsolete, with the ISL59911 identified as a possible substitute product in official documentation.

Replacement Considerations

The ISL59911 is documented as a possible substitute product for the EL9111 series. Verify compatibility regarding package dimensions and pinout assignments before replacement.

FAQ

How is the equalization length adjusted?

The equalization length is set by applying a voltage between the VCTRL and VREF pins, typically ranging from 0V to 1V.

What is the function of the exposed die plate?

The exposed die plate must be connected to the -5V supply rail to ensure proper operation and thermal dissipation.

How does the EL9111 differ from the EL9112?

The EL9111 includes circuitry to decode horizontal and vertical sync signals encoded on the common modes of the RGB inputs, whereas the EL9112 does not.