ISL1540IRZ-T7

Overview

The ISL1540IRZ-T7 is a dual-channel differential DSL line driver manufactured by Renesas Electronics Corporation. Designed for ADSL and ADSL2 applications, this integrated circuit operates within a -52V supply range to drive differential signals over twisted-pair lines. The component is housed in a compact 32-pin QFN (5x6 mm) package, facilitating surface-mount assembly. It integrates two independent driver channels optimized for high-speed data transmission standards, ensuring signal integrity and compliance with telecommunications interface requirements.

Feature Summary

• Dual-channel differential output architecture for simultaneous line driving
• Optimized performance for ADSL and ADSL2 broadband transmission standards
• Compact 32-pin QFN surface-mount package design

Applications

• ADSL modem line interface circuits
• ADSL2 network termination equipment
• DSL transceiver module integration

Procurement Notes

Verify the manufacturer part number ISL1540IRZ-T7 against official Renesas documentation to confirm authenticity. Ensure the received components match the specified 32-QFN package dimensions and pin configuration. Check for RoHS compliance markings as indicated in standard product listings. Confirm that the device is intended for industrial or commercial use as per the datasheet specifications before integration into final designs.

Selection Notes

Select this component when designing ADSL or ADSL2 interfaces requiring a dedicated dual-channel line driver. The choice is driven by the need for a compact footprint and specific -52V operational capability. Engineers should evaluate the thermal performance of the QFN package and ensure the PCB layout supports the differential signal routing requirements inherent to DSL line drivers.

Part Context

This device belongs to the Renesas Intersil interface IC portfolio, specifically targeting DSL communication systems. It serves as a critical component in the physical layer of broadband access networks, bridging digital processing units with analog telephone lines. The part represents a specialized solution for high-frequency signal amplification and impedance matching in telecommunication hardware.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Designers should consult official Renesas cross-reference guides or authorized distributor databases for verified alternatives. Do not assume functional compatibility with generic DSL drivers without validating electrical parameters and pinout configurations.