Overview
The ADM232AAN, produced by Analog Devices Inc., is a high-speed RS-232 line driver/receiver. This component is part of the ADM222, ADM232A, and ADM242 family, which offers transmission rates up to 200 kB/s. It operates from a single 5 V power supply and is fabricated using BiCMOS technology, combining low power CMOS with high-speed bipolar circuitry. This device is designed to meet all EIA-232-E and V.28 specifications, making it suitable for a variety of serial communication applications.
Key Specifications
| Parameter | Value |
|---|---|
| Transmission Rate | Up to 200 kB/s |
| Power Supply | Single 5 V |
| Charge Pump Capacitors | 0.1 µF external capacitors |
| Output Swing | ±10 V |
| Receiver Input Levels | Up to ±30 V |
| Package Types | 16-lead DIP, narrow and wide surface-mount (SOIC) |
| Quiescent Power Supply Current | Under 5 mA |
| Shutdown Current | 0.1 µA (ADM222), 0.1 mA (ADM242) |
Key Features
- High-speed transmission rates up to 200 kB/s
- Single 5 V power supply with on-chip charge pump using small 0.1 µF external capacitors
- Meets all EIA-232-E and V.28 specifications
- Two RS-232 drivers and two RS-232 receivers on each device
- BiCMOS technology for low power consumption and high-speed operation
- Shutdown function (ADM222 and ADM242) to minimize power consumption
- Enable function (ADM242) to disable receiver outputs for bus sharing
Applications
The ADM232AAN is suitable for various serial communication applications, including industrial automation, medical devices, point-of-sale terminals, and any system requiring high-speed RS-232 communication. It is particularly useful in environments where low power consumption and high transmission rates are critical.
Q & A
- What is the transmission rate of the ADM232AAN?
The transmission rate of the ADM232AAN is up to 200 kB/s. - What type of power supply does the ADM232AAN require?
The ADM232AAN operates from a single 5 V power supply. - How many RS-232 drivers and receivers are on the ADM232AAN?
There are two RS-232 drivers and two RS-232 receivers on the ADM232AAN. - What technology is used in the ADM232AAN?
The ADM232AAN is fabricated using BiCMOS technology. - What are the output swing and receiver input levels of the ADM232AAN?
The output swing is ±10 V, and the receiver input levels can handle up to ±30 V. - Does the ADM232AAN have a shutdown function?
Yes, the ADM232AAN (specifically the ADM222 and ADM242 variants) has a shutdown function to minimize power consumption. - What is the quiescent power supply current of the ADM232AAN?
The quiescent power supply current is under 5 mA. - What are the package types available for the ADM232AAN?
The ADM232AAN is available in 16-lead DIP and both narrow and wide surface-mount (SOIC) packages. - How does the enable function work on the ADM242 variant?
The enable function on the ADM242 allows the receiver outputs to be disabled, facilitating the sharing of a common bus. - What are some typical applications of the ADM232AAN?
The ADM232AAN is used in industrial automation, medical devices, point-of-sale terminals, and other systems requiring high-speed RS-232 communication.
