TI delivers industry’s first Class H VDSL line driver for high-speed networking equipment
Single device provides lowest power consumption across all VDSL profiles
Bangalore (March 16, 2011) – Texas Instruments Incorporated (TI) today introduced the industry’s first Class H VDSL line driver in full production. Compared to Class AB alternatives, the gated, dual-port THS6226 consumes 47 percent less power, a critical requirement for the high-density VDSL applications used in high-speed broadband networks. And by offering a digitally adjustable quiescent current, the THS6226 line driver allows for optimum power savings while still achieving high linearity and low distortion. The THS6226 also simplifies product sourcing and design by covering all VDSL profiles with a single line driver. For more information and to order samples of the THS6226, visit: www.ti.com/ths6226-pr.
“The best-in-class power consumption of TI's THS6226 VDSL line driver allows Lantiq to deliver a complete VDSL reference system with the enhanced power performance our customers require," said Johannes Eiblmeier, head of marketing of Lantiq’s Access Networks Business Unit. “When used together, our newest generation VINAX™ V3 VDSL chipset and TI's THS6226 set a new benchmark for system power consumption and integration while providing flexibility to use one line card for all VDSL profiles.”
Key features and benefits
- Single Class H solution provides lowest power consumption for all VDSL profiles, as low as 350 mW for 17a profile.
- Adjustable quiescent current of 7.6 mA to 23.5 mA with a current step of 1 mA provides designers flexibility to fine-tune the power control.
- Offers low multi-tone power ratio (MTPR) distortion of 70 dB with 19.8 dBm for VDSL2 profile 8b to help maintain signal fidelity.
- Integrates an input biasing circuit and all gain and feedback resistors to reduce system board space and cost.
- Wide output swing on +12-V power supplies, coupled with excellent current drive, allows for up to 20-dBm output power into the load.
Tools and support
TI offers a variety of free tools and support to speed development with the THS6226, including:
Find out more about TI’s high-speed amplifier portfolio by visiting the links below:
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