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  • Digital preamplifier

Article: 00005683

Digital preamplifier

Hard disk drive (HDD) pre-amplifiers are critical in enabling HDD manufacturers to deliver greater density and capacity. The pre-amplifier is the first chip to receive data coming from the disk during read operations, and the last to transmit data to be stored during writes. As HDD manufacturers create drives with more platters to contend with massive storage requirements, the number of channels individual signal paths in the preamp scales accordingly, increasing the pre-amplifier silicon footprint in HDDs.

When reading, LSI® TrueStore® pre-amplifiers deliver the data signal with maximum fidelity and lowest noise to the HDD SoC, where the digital data is extracted. When writing, pre-amplifiers condition the signal to maximize the quality of the data written to the disk. LSI TrueStore pre-amplifiers also play an important role in managing the head/disk flying height to maximize signal strength while maintaining a high level of reliability.

LSI TrueStore pre-amplifiers leverage a common pre-amplifier design across notebook, desktop and enterprise hard drives, which reduces customer development costs and time-to-market.

Specifications

  • Type: digital

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