TSB41BA3BTPFPEP

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The TSB41BA3BTPFPEP, otherwise known as the TI 1394b PHY Link-PHY Analog Front End(AFE), is a dual-lane, low-power, mixed-signal data transceiver which interfaces the 1394b Link-PHY layer to the 1394b PHY layer. It combines a pair of physical link transceivers, clock distribution circuitry, and PHY-layer signal conditioning into a very small package. This device supports the latest IEEE 1394a and 1394b PHY standards and provides great performance in a cost-effective solution.

TSB41BA3BTPFPEP is typically used in 1394b products where the 1394-2003 PHY layer and 1394b Link-PHY layer are to communicate over an external link. It allows designers to integrate the link- and PHY-layers of the 1394b standard while retaining a single piece of IC, greatly simplifying the circuit design and reducing the number of components. In addition, the TSB41BA3BTPFPEP device is compliant with the RoHS (Restriction of Hazardous Substances) directive, making it suitable for use in a variety of environmentally responsible applications.

The TSB41BA3BTPFPEP application field include: Digital Cameras, PC peripherals, Hard Disk Drives (HDDs), Point of Sale (POS) systems, medical imaging systems, flat panel displays and other 1394b applications.

The TSB41BA3BTPFPEP operation principle includes the following stages.

• Link-PHY Transceiver: Comprises two independent, high performance and low-power, dual lane physical link transceivers (TX and RX). The PHY transceivers are compliant with the IEEE 1394b PHY specifications and provide high-speed data transfer.
• Digital receive equalizer: Digital EQ on the receiver side of the PHY AFE provides excellent performance over varying link geometries.
• Clock generator: The PHY AFE’s integrated clock generator supplies a low-jitter clock to the link transceivers.
• PrimeSense (gesture recognition) : Enables a smooth transition to Human-machine interaction in consumer and industrial devices.

The TSB41BA3BTPFPEP consists of two independent link receivers and link transceivers to allow bidirectional communication between the Link-PHY and PHY layers. Link transceivers communicate data on a pair of lanes in a differential LVDS format, and the data is to be recovered and translated by the receiver. The PHY receivers use a distributed equalizer, which is shared between the two lanes to equalize the incoming signals and enable error-free communication. The clock generator on the PHY layer ensures that the RXCLK and TPCLK are accurately and low-jitter supplied to the transceivers, providing a reliable source of clock for the onboard receivers. Furthermore, the device is compliant with the RoHS and UL standards, making it suitable for use in a variety of applications.

Overall, the TSB41BA3BTPFPEP device provides excellent performance at an affordable price and it is a great choice for 1394b applications. It combines a pair of link transceivers, clock distribution circuitry, and PHY-layer signal conditioning, into a very small package, providing designers with an inexpensive and low-power solution. Additionally, it is compliant with industry standards, like the RoHS and UL, making it suitable for use in a wide range of applications.

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