SP3243EHEA-L/TR

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SP3243EHEA-L/TR is a low-power, triple-channel RS-232 transceiver that offers fast switching speeds, low power consumption, and extended common-mode voltage range making it suitable for a wide range of applications and environments. It features an internal oscillator, a transmit enable and receive enable pin, and an output enable pin.

Application Field

The SP3243EHEA-L/TR is configured for a wide range of applications, from isolated RS-232 controllers to HCIs, ICUs, and PLCs in factory automation, medical applications, in-car infotainment, and other applications requiring low-power and extended voltage range. It features receive and transmit enable pins along with an output enable pin, making it suitable for use in multiple data transfer modes such as point-to-point, multi-drop, and multipoint systems. This transceiver can also be used as a point-of-sale controller and line driver/receiver.

The SP3243EHEA-L/TR provides an isolated power supply interface, making it ideal for applications requiring low power, extended common-mode voltage range and high performance. This device is well-suited for use in high-end multimedia systems due to its low power consumption and wide input voltage range.

In addition, it offers wide compatibility with parallel systems due to its configurable logic levels and with industry standard busses and connectors, making it a suitable option for applications with a wide range of interface requirements.

Working Principle

The SP3243EHEA-L/TR transceiver is based on a single-ended 5V supply with a signal rail of 5V or 0V. It has an internal oscillator and three pairs of complementary outputs. The operating principle of this device is dependent upon the logic levels of the input and the voltage range of the power supply. If the logic level of the input is high, the output of the device will be in the high state. Likewise, if the logic level of the input is low, the output of the device will be in the low state. The output of the device is always in the opposite state to that of the input.

The SP3243EHEA-L/TR is designed to operate with a +12V to a -12V DC operating voltage range, with a maximum operating voltage of +18V. This extended voltage range allows the device to be used in higher voltage applications such as those found in industrial and medical systems. It also supports a wide range of input logic levels, from TTL to 5V. This allows the device to be used with a range of devices and busses.

The SP3243EHEA-L/TR has an internal oscillator for clock control and a transmit enable and receive enable pins for data synchronisation and control. The output enable pin is used to enable and disable the output signal. The device can be configured to work in point-to-point, multi-drop, and multipoint systems by configuring the logic levels at the output enable pin.

The SP3243EHEA-L/TR is compatible with a range of industry-standard connectors and busses, including RS-232, RS-422, and RS-485, making it suitable for a variety of applications and environments. The device is also available in both surface mount and through-hole packages, making it easy to integrate into a system.

The SP3243EHEA-L/TR is an ideal solution for applications requiring a low-power, extended voltage range and fast switching speeds. This device is well-suited for use in applications such as isolated RS-232 controllers, high-end multimedia systems, factory automation, medical applications, and in-car infotainment.

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