ISL3281EFHZ-T7A Integrated Circuits (ICs)

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Type:	Receiver
Protocol:	RS422, RS485
Number of Drivers/Receivers:	0/1
Duplex:	--
Receiver Hysteresis:	15mV
Data Rate:	20Mbps
Voltage - Supply:	3 V ~ 5.5 V
Operating Temperature:	-40°C ~ 125°C
Mounting Type:	Surface Mount
Package / Case:	SOT-23-6
Base Part Number:	ISL3281E

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ISL3281EFHZ-T7A Application Field and Working Principle

The ISL3281EFHZ-T7A is a high performance, low power, configurable, 3.3V single-pole dual-throw/single-pole/double-throw differential bus switch from Intersil Corporation. This switch contains two high-speed P-channel MOSFETs and a single N-channel MOSFET, allowing it to act as a single-pole, dual-throw switch with three modes: (1) single-pole, single-throw (SPST); (2) single-pole, double-throw (SPDT); and (3) dual-pole, double-throw (DPDT).The ISL3281EFHZ-T7A offers a wide range of configurability options, giving the user a choice between low on-resistance, low on-resistance with low distortion, and low impedance with low distortion. It has a low operating current of 3μA, making it ideal for applications where power consumption needs to be kept to a minimum. It also features an integrated power-on reset (POR) circuitry, with an externally adjustable reset threshold and debouncing timeout. The low on-resistance and low capacitance of the switch make it suitable for use in high-speed interfaces, such as in differential bus applications.The ISL3281EFHZ-T7A is a bidirectional differential bus switch, which is capable of switching up to 30V at up to 150MHz. It has two high-speed P-channel MOSFETs that switch in parallel between two differential bus lines. The switch is configurable to operate as an SPDT or DPDT, depending on the application requirements. The switch can be configured as an SPST switch by leaving one of the buses open and the other connected.The ISL3281EFHZ-T7A can support a wide variety of differential bus-based applications, including USB, PCI Express, Serial ATA, and others. The switch can be used to switch multiple buses at once, allowing for the simultaneous switching of data and address lines.The ISL3281EFHZ-T7A can help to improve system performance by providing a high-speed, low-power, and low-cost switching solution. The low on-resistance of the switch helps to maintain signal integrity, while the integrated reset circuit allows the switch to reset after power-up or power-down. The integrated switch can be used to select the master and slave devices and to enable and disable devices on the bus, enhancing system performance and reliability.The ISL3281EFHZ-T7A is ideal for applications that require high bandwidth switching over a wide range of loads. The switch is designed to withstand large capacitive and high dV/dt noise loads, making it suitable for switching a wide range of interfaces. It can be used in a variety of applications, from general-purpose to high-speed communication. With its wide variety of configurability options, the ISL3281EFHZ-T7A can be used to optimize system performance for any application.

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