MAX1490BEPG+

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MAX1490BEPG+ Application Field and Working Principle

The MAX1490BEPG+ is a high-speed RS-422 transceiver with half-duplex features and 16-pin architecture for applications in which space is a limiting factor. This IC is sometimes referred to as a “3-state driver/receiver”, as it combines both functions in one component. The MAX1490BEPG+ works in both transmit and receive modes, and switching between these modes of operation is clean and reliable. It is well-suited for applications requiring robust performance and high data rates, such as point-to-point communication and instrumentation systems.

The MAX1490BEPG+ is built on a BiCMOS process and utilizes a low-power CMOS technology to achieve 3V to 5.5V operation with a low power dissipation. This IC supports data rates as high as 10Mbps, and its high-speed drivers and receivers reduce skewing across the network. The device can be used in differential or single-ended applications and has a built-in fail-safe feature that ensures predictable transmitter output in the event of an open or short circuit in one of the receiver inputs.

The MAX1490BEPG+ is a “transceiver”, meaning that it contains both transmit and receive capabilities. The device has two transmitter outputs, one for positive data (“TXp”), and one for negative data (“TXn”). The two “en” pins activate and deactivate the internal drivers of the IC. The device has two complementary receiver inputs, one for positive data (“RXp”) and one for negative data (“RXn”). Both receivers feature hysteresis and are designed to reject noise on the bus. A “steady mode” is also provided for when a constant status needs to be output on the differential data lines.

The MAX1490BEPG+ is an ideal choice for high-speed applications where a low-power, low cost, 3-state driver/receiver is necessary. It is simple to use and has a built-in fail-safe feature that ensures predictable response in the event of an open or short circuit on a receiver input. The device is easy to integrate into any data communications setup, and its high-speed drivers and receivers make it capable of handling data rates up to 10Mbps.

Conclusion

In summary, the MAX1490BEPG+ is a high-speed transceiver with built-in support for up to 10Mbps data rates. It is a 3-state driver/receiver and is ideal for point-to-point communications and instrumentation systems. The device has two complementary inputs, two transmitter outputs, and a built-in fail-safe feature that ensures predictable output in the event of an open or short circuit on the receiver inputs. The MAX1490BEPG+ is simple to use, low cost, and low power, and is a great choice for applications requiring robust performance and high data rates.

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