PI5A4158ZAEX

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Interface - Analog Switches, Multiplexers, Demultiplexers

The PI5A4158ZAEX is a transistor array from Diodes Inc., in the same family of devices as interface - analog switches, multiplexers, and demultiplexers which are frequently used to control analog signals. The PI5A4158ZAEX is a high-speed, low-current pull-up solution for circuit protection, commonly used for 12-bit converters, voltage regulators, and diode arrays. It offers enhanced functional reliability, extended operating temperature range, and rapid response to temperature changes.

The PI5A4158ZAEX is constructed of PNP plastic-encapsulated transistors coupled with a low-impedance pull-up resistor. Its elements have been designed to provide double protection with a controlled dynamic voltage clamp, capable of handling up to -60V with 75mA of current. This feature eliminates the need for external diode protection.

The PI5A4158ZAex works by operating as a bidirectional current sink capable of both sinking and sourcing current in the event of an over-voltage event. To do this, its base control transistor is activated by a logic signal, allowing for greater flexibility and improved performance in various applications. When activated, the logic signal will then cause the controlled dynamic voltage clamp to begin clamping in the event of an over-voltage event. This allows the PI5A4158ZAEX to protect the circuit from over-voltage risk.

The PI5A4158ZAEX is designed for applications requiring 12-bit accuracy such as voltage regulators, power converters, and diode arrays. It can also be used to provide protection for ACORDCMOS output stages. The device is available in an 8-pin SOIC package and is suitable for operation over the temperature range of -40°C to +125°C.

In summary, the PI5A4158ZAEX is an interface - analog switches, multiplexers, and demultiplexers transistor array solution from Diodes Inc. It is constructed of PNP plastic-encapsulated transistors coupled with a low-impedance pull-up resistor, and provides double protection with a controlled dynamic voltage clamp. It operates as a bidirectional current sink, and is available in an 8-pin SOIC package, suitable for operation over the temperature range of -40°C to +125°C. It is designed to provide 12-bit accuracy performance in applications such as voltage regulators, power converters, and diode arrays.

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