ISL32179EIRZ-T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Driver
Protocol:	RS422, RS485
Number of Drivers/Receivers:	4/0
Duplex:	--
Data Rate:	--
Voltage - Supply:	3 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	24-VFQFN Exposed Pad
Supplier Device Package:	24-QFN-EP (4x4)
Base Part Number:	ISL32179E

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Introduction

The ISL32179EIRZ-T is a high-performance pin-compatible 16-channel differential receiver and transceiver integrated circuit (IC) used in various short-range or low-data rate applications. It is a critical component in applications where input signals originate from RS485 and differential link devices, as well as bridge transceivers. The ISL32179EIRZ-T offers advanced features such as auto-sensing, power dissipation, and pre-emphasis.

Application Field

The ISL32179EIRZ-T predecessor, the ISL32179E, was designed for high-speed, low-power applications in the automotive industry. The ISL32179EIRZ-T is particularly well suited for applications requiring low-power operation, advanced features and robust performance, such as automotive gateways, audio gateways, and sensor interfaces.The ISL32179EIRZ-T also supports bridged RS-485 differential transceivers. The ISL32179EIRZ-T supports transceiver bridges up to 800 m in length, allowing connection between a transmitter and a receiver with a low power requirement and high EMI/EMC performance.The ISL32179EIRZ-T also provides a programmable I2C/SMBus interface, allowing it to be used in a wide variety of Intelligent Vehicle System (IVS) applications. It is well-suited for use in automotive networks, including those based on CAN, CAN FD, FlexRay, and MOST technologies.

Working Principle

The ISL32179EIRZ-T is a differential receiver and transceiver. It is compatible with a variety of standard RS485 and differential link devices and can be used to interconnect them.The operating principle of the ISL32179EIRZ-T is based on a multichannel differential line receiver, which receives differential signals on each of the 16 channels. The received signals are classified as either single-ended differential or direct differential. Depending on the mode of operation, the receiver automatically switches between single-ended and differential input modes.The ISL32179EIRZ-T has five power-saving modes. In addition, the receiver supports a pre-emphasis function, which helps enhance signal performance in noisy environments.The ISL32179EIRZ-T has an advanced auto-sensing feature, which allows it to detect the signal type automatically and switch to the appropriate input mode. This feature reduces power consumption and simplifies the user’s design.The ISL32179EIRZ-T also offers flexible data rate selection from 6 Mbps to 100 Mbps, allowing the user to select a suitable data rate for their application. The EMI-reducing function helps minimize the amount of EMI generated by the signal.

Conclusion

The ISL32179EIRZ-T is a high-performance, low-power transceiver and receiver that offers exceptional features and robust performance. It has flexible data rate selection, auto-sensing and pre-emphasis features, and supports transceiver bridges up to 800 m in length. The EMI-reducing function helps minimize the amount of EMI generated by the device, and the five power-saving modes help reduce power consumption. The ISL32179EIRZ-T is an ideal choice for applications that require low-power operation and advanced features.

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