ADM232AARN - High-Speed, 5 V, 0.1 uF CMOS RS-232 Drivers/Receivers

The ADM232AARN is a robust, high-speed transceiver from Analog Devices Inc., designed to interface data terminal equipment (DTE) with data circuit-terminating equipment (DCE) in compliance with the EIA-232E and V.28 standards. This integrated circuit is part of a family of devices that operate from a single 5 V power supply, making it particularly suitable for applications where ±12 V is not available.

The ADM232AARN features two drivers and two receivers, providing the necessary signals for full duplex communication. The device is capable of running at data rates up to 200 kbps, making it an excellent choice for high-speed serial data communication. Additionally, the device incorporates a proprietary low-dropout transmitter output stage, enabling true RS-232 performance from a 5 V supply with a dual charge pump.

The charge pump requires only four small 0.1 uF external capacitors for operation, reducing the required PCB space and system cost. This makes the ADM232AARN an efficient solution for portable or compact systems where space is at a premium.

Key Features

• Meets EIA-232E and V.28 specifications
• 5 V single power supply operation
• Two drivers and two receivers
• Low-power CMOS: 5 mA operation
• Data rate: 200 kbps
• 0.1 uF charge pump capacitors
• On-chip voltage converters
• ESD protection to ±15 kV

The ADM232AARN is also equipped with an on-chip electrostatic discharge (ESD) protection circuit, which can handle ESD strikes of up to ±15 kV, providing robust protection for the device in harsh environments. This feature is particularly important for products that require a high degree of reliability and longevity.

Available in a narrow SOIC package, the ADM232AARN is designed for ease of integration into a variety of systems, ranging from telecommunications to industrial control and point-of-sale equipment. With its combination of high-speed operation, low-power consumption, and small form factor, the ADM232AARN is an excellent choice for designers looking to implement RS-232 interfaces with minimal power and space requirements.

For further information, datasheets, and support, customers can visit the Analog Devices Inc. website or contact their local sales and technical support team.