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ADM242AR

Name: ADM242AR
Rating: 4.7 (12 reviews)

IC TRANSCEIVER FULL 2/2 18SOIC

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製造商。部分 #ADM242AR
包 SOIC-18
資料表 ADM242AR DataSheet
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規格

Package	Tube,Tube
ProductStatus	Obsolete
Type	Transceiver
Protocol	RS232
NumberofDrivers/Receivers	2/2
Duplex	Full
ReceiverHysteresis	400 mV
DataRate	200kbps
Voltage-Supply	4.5V ~ 5.5V
OperatingTemperature	-40°C ~ 85°C
MountingType	Surface Mount
Package/Case	18-SOIC (0.295, 7.50mm Width)

概述

Description

The ADM242AR is a high-speed, half-duplex RS-232 transceiver designed for reliable communication over longer distances. It operates from a single 5V power supply and supports data rates up to 250 kbps, making it suitable for a variety of serial communication applications. The device features integrated level shifting to ensure compatibility with standard RS-232 voltage levels, and it can drive capacitive loads up to 2500 pF.
The ADM242AR includes built-in protection against overvoltage, electrostatic discharge (ESD), and other transients, enhancing its durability in harsh environments. It has a low power consumption profile, which is ideal for battery-operated devices. Its small footprint and simple interface make it easy to integrate into existing designs.
Overall, the ADM242AR is a versatile choice for engineers looking to implement RS-232 communications in their projects, providing robust performance and reliability in various applications.

Features

The ADM242AR is a high-speed, full-duplex RS-232 transceiver designed for data communication. Key features include:
1. Data Rate: Supports data rates up to 250 kbps.
2. Voltage Levels: Operates with a single 3.3V or 5V power supply.
3. Driver and Receiver: Contains a driver and a receiver, allowing for bidirectional communication.
4. Input/Output Isolation: Offers robust ESD protection to enhance reliability.
5. Integrated Charge Pump: Provides necessary voltage levels for RS-232 signaling.
6. Power Consumption: Low-power operation, making it suitable for battery-powered applications.
7. Thermal Shutdown: Features thermal protection to prevent overheating.
8. Compact Size: Available in small package options, facilitating space-saving designs.
9. Wide Temperature Range: Suitable for industrial applications with a temperature range of -40°C to +85°C.
These features make the ADM242AR ideal for interfacing microcontrollers and other digital devices with RS-232 communication standards in various applications.

Package

The ADM242AR is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package).

Pinout

The ADM242AR is a high-speed, half-duplex RS-485/RS-422 transceiver from Analog Devices. It features a total of 8 pins.
The pin functions are as follows:
1. VCC - Power supply input.
2. GND - Ground reference.
3. RO - Receiver output for the received data.
4. DI - Driver input for the data to be transmitted.
5. DE - Driver enable control input; high to enable the driver.
6. RE - Receiver enable control input; low to enable the receiver.
7. A - Non-inverting receiver/transmitter data line.
8. B - Inverting receiver/transmitter data line.
The ADM242AR is designed for robust communication over long distances and supports data rates up to 1 Mbps. It also features integrated protection against ESD and other electrical transients.

Manufacturer

The ADM242AR is manufactured by Analog Devices, Inc. Analog Devices is a global leader in the design and manufacturing of high-performance analog, mixed-signal, and digital signal processing integrated circuits (ICs). Founded in 1965, the company specializes in providing solutions for a wide range of applications, including communications, healthcare, automotive, industrial automation, and consumer electronics. Analog Devices is known for its innovation in signal processing technology and its commitment to developing advanced semiconductor technologies that enhance performance in various electronic systems.

Application

The ADM242AR is a robust isolated RS-232 transceiver used in various application areas, including industrial automation, remote monitoring, medical devices, and telecommunications. It enables reliable data communication in electrically noisy environments by providing isolation between the data line and ground. This transceiver is suitable for battery-powered systems, ensuring low power consumption while maintaining signal integrity over extended distances.

Equivalent

Equivalent products to the ADM242AR chip include the MAX1487, SN65HVD11, and LTC2862. These chips are also RS-485 transceivers and may offer similar functionality in terms of voltage levels, data rates, and power requirements. Always check specific datasheets for compatibility with your circuit requirements.