LT84101D Datasheet, PDF
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LT84101D Part Attribute
- Description LT84101D is a deeply-optimized USB re-driver IC that enhances signal quality by performing cable or board trace loss compensation under USB3.1 Gen-1 and USB2.0 specification respectively. For USB3.1 Gen-1operation, LT84101D is a dual-port bi-directional 5 Gb/s SuperSpeed (SS) re-driver device with advanced power management. It is composed of a dual-channel SSRX-SSTX pair. The SSRX implements a multi-level programmable linear equalizer, supporting maximum 25dB loss compensation due to Inter-Symbol Interference (ISI). The SSTX re-drives the received signal with multi-level programmable output swing and up to 6dB de-emphasis. A Low-Frequency Periodic Signal (LFPS) detection, automatic plug and unplug by remote receiver termination sensing and state machine control is also integrated on each port. For USB2.0 operating, it provides signal transferring extension over USB cable, which supports high speed, full speed and low speed. The maximum extension length can be up to 10m from the chip to host or device. It eliminates the 5m distance limitation of USB2.0 specification. Internal equalization and pre-emphasis used for extension function can be programmed. LT84101D internally integrates an 8-bit OCM and flash memory (stacked die) to run program. Online software upgrade is also supported for LT84101D. The LT84101D is fabricated in advanced CMOS process and implemented in a small outline 5mmx5mm QFN40 package. This package is RoHS compliant and specified to operate from -40°C to +85°C.
- Part No. LT84101D
- Manufacturer 龙迅-Lontium
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