The ADM3491AR-REEL7 is a robust, low power, differential line transceiver from Analog Devices Inc., designed to operate using a single 3.3 V power supply. This high-speed transceiver is part of Analog Devices’ industry-leading portfolio and is ideal for bidirectional communication on multipoint bus transmission lines.

Key Features

• Interface Type: RS-485/RS-422
• Data Rate: Up to 250 kbps
• Operating Voltage: 3.3 V
• ESD Protection: ±15 kV on bus pins
• Temperature Range: -40°C to +85°C
• Package: SOIC-8
• RoHS: Compliant

The ADM3491AR-REEL7 is designed for balanced data transmission and complies with EIA Standards RS-485 and RS-422. The device features a reduced slew rate for lower EMI and reduced reflections, making it suitable for applications in noisy environments where signal integrity is paramount.

With its extended temperature range, the ADM3491AR-REEL7 is versatile for industrial applications, including factory automation, process control, and other harsh environments. The device also includes a thermal shutdown feature, which protects it from damage due to excessive power dissipation.

Another notable feature of this transceiver is its ESD protection capability. The ADM3491AR-REEL7 can withstand electrostatic discharge events of up to ±15 kV on the bus communication pins, ensuring reliability and robustness in environments where ESD events are common.

The device is available in a compact SOIC-8 package, which is ideal for space-constrained applications. Furthermore, as a RoHS-compliant product, the ADM3491AR-REEL7 meets the environmental standards set by legislation, avoiding the use of hazardous substances in its manufacture.

With its combination of features, the ADM3491AR-REEL7 from Analog Devices Inc. is a powerful solution for reliable data communications in industrial and commercial applications where low power and high protection are required.