IH5352CPE+

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The IH5352CPE+ series of analog switches are designed for interfacing signal paths between systems that require special purpose switching control. The IH5352CPE+ is an ideal choice for manufacturers looking for reliable and cost-effective analog switch solutions for a wide range of applications. This article examines the application field and working principle of the IH5352CPE+.

Applications

The IH5352CPE+ is used in a variety of applications, including communications equipment, medical systems, consumer electronics, and military/aerospace. It is ideal for applications involving multiple input and output signals that require special purpose analog switch control. The IH5352CPE+ is capable of achieving high-speed switching (up to 10 microseconds) and low-power operation (as low as 4.5 microamps at 3 Volt operation). It features high off-leakage and low on-leakage current, low crosstalk, and low power consumption. The devices are also designed to be immune to voltage spikes, making them an excellent choice for applications in harsh environments.

Features

The IH5352CPE+ series is available in a variety of package configurations such as SOIC, TSSOP, and MSOP. The device is rated from a supply voltage range of 2.7V to 5.5V, with additional voltages ranging from 16V to 24V for some configurations. It offers ESD protection, as well as thermal shut down for over current protection. The IH5352CPE+ also features a low DC on-conductance of 5mΩ and an on-resistance of just 1mΩ. The device also has low-output capacitance (Cout = 1pF max), and is RoHS compliant.

Working Principle

The IH5352CPE+ is a digital-controlled analog switch that uses CMOS circuitry and logic-level control voltage. The digital control signal is transmitted to the switch via a logic input pin, which then activates the switch to either open or close. The IH5352CPE+ also has an enable and shut down input, which allows for power savings as the switch can be turned off to reduce current leakage and save power.

When the switch is activated, a corresponding one-bit control signal is sent to the configuration logic. Depending on the logic state, the output signal is either disabled or enabled. If the switch is in the enabled state, the signal is routed through the device and the output is then connected with an appropriate external load. If the switch is in the disabled state, then no signal is routed through the device and the output remains in a high impedance state.

The IH5352CPE+ is capable of switching logic signals that range from TTL to 5V CMOS levels. It has a high true digital control signal strength and can operate up to frequencies of 90MHz. The IH5352CPE+ is also capable of providing up to 16:1 signal routing in dual-mode devices.

Conclusion

The IH5352CPE+ is a special purpose analog switch designed for a variety of applications. It is ideally suited for communications equipment, medical systems, consumer electronics, and military/aerospace applications, where reliable and cost-effective analog switch solutions are needed. The IH5352CPE+ provides high-speed switching and low-power consumption, with ESD and over current protection. It offers a variety of package configurations and is rated for a wide range of supply voltages. Additionally, the device has low DC on-conductance, low-output capacitance, and low crosstalk, making it an excellent choice for applications in harsh environments.

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