EL1526IL

Overview

The EL1526IL is a dual-channel differential DSL line driver manufactured by Intersil Corporation, designed for Centillium Maximus CO chipsets. It supports ADSL downstream spectrum up to 3.75MHz and achieves payload rates up to 50Mbps with High-Bit-Loading. Key electrical parameters include a 450mA output drive capability, 44.1VP-P differential output into 100Ω, -85dBc THD at 1MHz (2VP-P), and a high slew rate of 500V/µs. The device features a bandwidth of 46MHz, channel separation of 80dB at 500kHz, and includes current control pins.

Feature Summary

• Optimized for flat gain response and reduced harmonic distortion in active termination applications
• Internal compensation circuit eliminates the need for external common mode snubber filters
• Supports extended ADSL spectrum beyond traditional 1.1MHz range

Applications

• ADSL line drivers for Centillium Maximus CO chipsets
• High-Bit-Loading signal chain integration
• Very high performance ADSL applications

Procurement Notes

Verify manufacturer details as Elantec is not listed; Intersil is the documented producer. Confirm RoHS compliance status and check for obsolete status notifications. Validate pinout compatibility with target chipset designs before procurement.

Selection Notes

Select this component for applications requiring high slew rate and wide bandwidth for ADSL signals. Ensure design accommodates 450mA drive capability and 100Ω load requirements. Verify thermal management needs due to high output currents.

Part Context

The EL1526IL belongs to the EL1526 series of dual-channel differential line drivers. It is specifically engineered for use with Centillium Maximus CO chipsets to enable extended spectrum ADSL services. The 'IL' suffix typically denotes industrial temperature range or specific packaging variant within the series.

Replacement Considerations

Check for direct equivalents from Intersil or Renesas. Verify if newer generations of DSL line drivers offer improved THD or lower power consumption while maintaining compatible pinouts and drive capabilities.

FAQ

What is the maximum ADSL downstream spectrum supported?

The EL1526IL supports ADSL downstream spectrum up to 3.75MHz.

Does the device require external common mode snubber filters?

No, a unique internal compensation circuit eliminates the need for external common mode snubber filters in active termination applications.

What is the channel separation specification?

Channel separation is 80dB at 500kHz and 75dB at 1MHz.