ISL54224IRTZ-T

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Applications:	USB
Multiplexer/Demultiplexer Circuit:	2:1
Switch Circuit:	SPDT
Number of Channels:	2
On-State Resistance (Max):	20 Ohm
Voltage - Supply, Single (V+):	2.7 V ~ 5.25 V
Voltage - Supply, Dual (V±):	--
-3db Bandwidth:	780MHz
Features:	Break-Before-Make, USB 2.0
Operating Temperature:	-40°C ~ 85°C (TA)
Package / Case:	10-WFDFN Exposed Pad
Supplier Device Package:	10-TDFN (3x3)
Base Part Number:	ISL54224

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Introduction

The ISL54224IRTZ-T is a special purpose analog switch that is part of the interface family. The device is a four-channel single-pole, double-throw (SPDT) switch with an on-off switching time of 60µs max. It is designed to operate in temperature environments ranging from -40°C to 85°C, while providing a high isolation of 70dB. It is suitable for a variety of applications, including analog/mixed signal and motor control.

Applications

The ISL54224IRTZ-T is ideal for mobile and battery-powered applications such as portable medical instruments, cellular telephones, and RF systems. The quick switch time of the device makes it suitable for high bandwidth applications where it is important to minimize latency, such as multimedia and gigabit networking. The device can also be used in various industrial applications such as thermal, flow, and pressure monitoring, as well as HVAC systems.

Working Principle

The ISL54224IRTZ-T is a normally closed (NC) SPDT switch. When a voltage is applied to the control terminal, the switch will open and allow current to pass through the channel. The SPDT switch consists of a single-pole double-throw switch and a diode-protected control input. The primary output channel is switched between the two input ports and the diode-protected control input is associated to the single-pole switch. The control input is configured to accept a logic-level low/high/high impedance signal and it will switch the SPDT switch accordingly. When the control input is “low”, the switch is open and current will flow through the output channel. When the control input is “high”, the switch is closed and the output channel is typically off. When the control input is “high-impedance”, the switch is open and current can flow through the output channel.

Advantages

The ISL54224IRTZ-T is a low-power and low-voltage analog switch with a very low-off isolation. The on/off switching time is fast, typical at 3µs, and the on-state resistance is typically 2Ohm. The device is ESD-protected and designed to operate over the -40°C to 85°C temperature range. The device is also RoHS3 compliant, which makes it an ideal choice for applications where compliance to environmental regulations is important. Moreover, the device is built using the BiCMOS-mixed signal process technology and it has low static and dynamic power consumption, making it suitable for battery-powered applications. It also provides protection features, such as overvoltage protection and thermal shutdown, making it a very safe and reliable solution for applications where there is a risk of electrical overload.

Conclusion

The ISL54224IRTZ-T is a SPDT analog switch specially designed for portable, mixed signal and motor control applications. It has a fast switching time and low on-state resistance, making it ideal for high-bandwidth applications. It is also very safe and reliable, thanks to its built-in protection mechanisms, and the device is RoHS3 compliant. In conclusion, the ISL54224IRTZ-T is an excellent choice for a variety of applications and it can be used in portable, mixed signal and motor control applications where fast switching, low power consumption and high reliability are required.

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