DP83620SQX/NOPB Integrated Circuits (ICs)

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The DP83620SQX/NOPB is an Ethernet physical layer (PHY) transceiver. As an integral component of the Ethernet physical layer, this device has a direct impact on the performance of the data transmission system. This transceiver has been optimized to support up to 10/100/1000 Mbps data rates with auto-detect of the speed and auto-negotiate of the duplex mode.

Application Field

The DP83620SQX/NOPB device is an ideal choice for applications in the growing Gigabit Ethernet market. These include enterprise-level networking equipment such as routers, switches, and bridges. It is also well suited for industrial equipment and consumer devices such as home gateways, set-top boxes and digital media adapters.

Working Principle

The transceiver features integrated PHY and magnetic interface circuitry, which passes Ethernet signals to the MAC module. It performs a variety of physical layer functions including the encoding and decoding of the 10/100/1000 Mbps signals, as well as auto-negotiation of the duplex mode. The device also features low power consumption, integrated jitter attenuator, and integrated clock and data recovery.

The DP83620SQX/NOPB offers both MDI and MDI-X interfaces and can support a wide range of applications, including 10/100/1000 Mbps speeds, auto-negotiation of speed and duplex mode, in-band and out-of-band auto-negotiation, and error-free operation. The device provides excellent performance over various twisted pair cables, including CAT 5 and CAT 6. The integrated jitter attenuator ensures robust operation in noisy environments, while the integrated clock and data recovery circuitry provides reliable signal recovery in signal-degraded conditions.

Finally, the device can detect the current link status and signal loss and signal collisions and provide feedback to the MAC via the link pulse signal. This signal can be used by the MAC to ensure error-free data transmission. The DP83620SQX/NOPB makes it easy to design in Ethernet capability into networking and communication products.

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