ISL8487IB-T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Type:	Transceiver
Protocol:	RS422, RS485
Number of Drivers/Receivers:	1/1
Duplex:	Half
Receiver Hysteresis:	70mV
Data Rate:	250kbps
Voltage - Supply:	4.5 V ~ 5.5 V
Operating Temperature:	-40°C ~ 85°C
Mounting Type:	Surface Mount
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package:	8-SOIC
Base Part Number:	ISL8487

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ISL8487IB-T: Application Field and Working Principle

ISL8487IB-T Interface – Drivers, Receivers, Transceivers is a new type of integrated circuit commonly found in Ethernet circuitry. It is used as a CMOS-level, low-power transceiver for up to 5.25V digital communications. Additionally, it provides an effective way for connecting external digital components to an Ethernet link. This article will explore the application field and working principle of the ISL8487IB-T.

Application Field

The ISL8487IB-T is ideal for integration into Ethernet digital systems. It can be used as a low-power, digital transceiver for a wide range of applications that benefit from the low-voltage requirements, low power dissipation, and easy integration with external components.The ISL8487IB-T is particularly useful for communications links where the transmitted data is in the form of burst packets, as is the case with Ethernet connections. This makes the transceiver ideally suited for Ethernet-based, industrial, automotive and medical applications.

Working Principle

The ISL8487IB-T is a CMOS-level, low-power transceiver designed to connect external digital components to an Ethernet link. It operates at up to 5.25 V and is designed to provide robust and reliable performance.The transceiver consists of an on-chip Receiver with a PECL compatible differential input. This allows the transceiver to receive data from the Ethernet link. The Receiver converts the incoming data into digital signals. The transceiver also contains an on-chip Transmitter with a complementary PECL differential output, which allows the transceiver to transmit data onto the Ethernet link. In addition, the transceiver includes a Lock Detect circuit, which monitors the CML or PECL signal for signal presence. This allows the transceiver to notify users of any signal presence anomalies. Furthermore, the device includes a Loss of Input Signal (LIS) signal, which alerts the user in case of a lost or degraded signal. Finally, the ISL8487IB-T is designed to operate with both Ethernet 10 Base-T and 100 Base-T Ethernet standards. This makes the transceiver well-suited for connection to a wide range of Ethernet applications.

Conclusion

The ISL8487IB-T is a low-power, low-voltage transceiver designed to reliably and robustly connect external digital components to an Ethernet link. It is ideal for integration into Ethernet digital systems and is designed to operate with both 10 Base-T and 100 Base-T Ethernet standards. The transceiver includes a Receiver, an Transmitter, a Lock Detect circuit and a Loss of Input Signal alert. This makes the ISL8487IB-T ideally suited for a wide range of Ethernet-based applications.

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