AM26C32IPW

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The AM26C32IPW is an octal, high-speed, differential line receiver developed from the advanced technologies enhancing product reliability and performance.

Introduction

The AM26C32IPW is a low-power, CMOS transceiver designed for data transmission over unshielded twisted-pair (UTP) or shielded twisted-pair (STP) cables. It utilizes industry-standard, serial-data interface protocols, including NRZI/Manchester, Bi-Phase Mark and Differential Manchester. This device is designed to reduce power consumption while providing high-speed data communication of up to 2.5Kbits per second. Its excellent line driver and receiver characteristics make the AM26C32IPW a perfect choice for applications requiring high-speed and low-power communication over twisted-pair cables.

Features

• High-speed differential line drivers and receivers
• Operates from a single 5V supply
• Low power consumption
• Bus-hold receivers to maintain valid data inputs
• Low cross-talk
• Interface compatible with NRZI/Manchester, Bi-Phase Mark and Differential Manchester

Applications

The AM26C32IPW is a versatile transceiver suitable for a variety of applications, including:

• Computer peripherals
• Industrial control systems
• Fiber-optic applications
• Data communication systems
• Interfacing equipment to the Ethernet
• Banking and point-of-sale systems
• Consumer electronics

Working Principle

The AM26C32IPW transceiver contains two line drivers and four line receivers. The two line drivers are used for transmitting data to an upstream device, and the four line receivers are used for receiving data from an upstream device. The line drivers and receivers use differential signaling to reduce the effects of electromagnetic interference (EMI).

The two line drivers are capable of sending data in various formats, including NRZI/Manchester, Bi-Phase Mark and Differential Manchester. The NRZI/Manchester format uses two levels, which the receiver can detect to determine the state of the data being sent. The Bi-Phase Mark format also uses two levels, but with the advantage that the phase of the data line is changed following each data transition. The Differential Manchester format uses four levels, where a "1" is signified by a data transition, and a "0" by no data transition.

The four line receivers use NRZI/Manchester and Bi-Phase Packet formats to receive data, and the receiver\'s bus-hold feature is enabled to maintain the state of the line until it receives valid data. This feature gives the transceiver the ability to recover from line noise and eliminates the need for pull-up resistors.

Conclusion

The AM26C32IPW is a high-speed, low-power transceiver, suitable for a variety of applications requiring reliable data communication over twisted-pair cables. Its differential line drivers and receivers reduce the effects of EMI, and its ability to transmit and receive data in different formats makes it an ideal choice for any high-speed data communication system.

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