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ISL1591IRTZ
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Product Detailed Parameters
- Description：IC TRANSCEIVER 2/0 24TQFN
- Mfr：Renesas Electronics Corporation
- Package：Tube
- Series：-
- Type：Driver
- Protocol：VDSL2
- Number of Drivers/Receivers：2/0
- Duplex：-
- Data Rate：-
- Voltage - Supply：14V ~ 25.2V
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：24-WFQFN Exposed Pad
- Supplier Device Package：24-TQFN (4x4)
- Receiver Hysteresis：-
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Overview
The ISL1591IRTZ is a fixed-gain downstream port transceiver designed for VDSL2 applications. Manufactured by Renesas Electronics under the Intersil brand, this component functions as a buffer and line driver within the ISL1591 series. It is housed in a TQFN-24 package suitable for surface-mount installation. The device supports operation across a temperature range of -40°C to +85°C. As a specialized logic IC, it facilitates signal transmission in broadband communication systems.
Feature Summary
- Fixed gain configuration optimized for downstream port operations
- Integrated line driver functionality for VDSL2 signal transmission
- Compact TQFN-24 surface-mount packaging design
Applications
- VDSL2 broadband access network infrastructure
- Digital Subscriber Line (xDSL) modem circuitry
- Telecommunications line driver modules
Procurement Notes
This component is officially classified as End-of-Life (EOL) by the manufacturer. Availability is restricted, with distributors indicating limited or non-existent stock in many regions. Verification of authenticity and EOL status through official Renesas channels is essential before procurement planning.
Selection Notes
Engineers should consider the fixed-gain limitation when designing VDSL2 interfaces. Since the part is discontinued, alternative solutions or redesigns may be necessary for new production runs. Verify that the TQFN-24 footprint matches existing board layouts if used in legacy maintenance projects.
Part Context
Part of the ISL1591 family from Renesas/Intersil, focusing on xDSL interface solutions. This specific model targets downstream transmission requirements. The series was historically utilized in high-speed digital subscriber line equipment before newer generations replaced these components.
Replacement Considerations
Official substitutes are not explicitly listed in the provided documentation due to the EOL status. Engineers must consult Renesas for current portfolio alternatives or perform functional equivalence analysis with other VDSL2 transceivers.
