ADM238LAN

Product Overview

Category: Integrated Circuit (IC)

Use: The ADM238LAN is a high-speed, isolated RS-232 line driver and receiver designed for industrial applications. It provides a reliable interface between microcontrollers or other digital logic systems and RS-232 networks.

Characteristics: - High-speed data transmission - Isolated design for enhanced noise immunity - Wide operating voltage range - Low power consumption - Robust protection features against electrostatic discharge (ESD)

Package: The ADM238LAN is available in a small outline integrated circuit (SOIC) package, which ensures easy integration into various electronic systems.

Essence: The ADM238LAN serves as a bridge between digital logic systems and RS-232 networks, enabling seamless communication and data transfer.

Packaging/Quantity: The ADM238LAN is typically sold in reels containing 250 units per reel.

Specifications

• Supply Voltage Range: +3.0V to +5.5V
• Data Rate: Up to 1 Mbps
• Operating Temperature Range: -40°C to +85°C
• Isolation Voltage: 2.5 kV RMS
• ESD Protection: ±15 kV (Human Body Model)
• Package Type: SOIC-16

Pin Configuration

The ADM238LAN features a 16-pin configuration with the following pin assignments:

1. VCC1: Positive supply voltage for the driver side
2. GND1: Ground for the driver side
3. T1OUT: Transmit output for driver side
4. R1IN: Receive input for driver side
5. GND2: Ground for the receiver side
6. R2OUT: Receive output for receiver side
7. T2IN: Transmit input for receiver side
8. VCC2: Positive supply voltage for the receiver side
9. GND3: Ground for the receiver side
10. NC: No connection
11. NC: No connection
12. NC: No connection
13. NC: No connection
14. NC: No connection
15. NC: No connection
16. NC: No connection

Functional Features

• High-speed data transmission: The ADM238LAN supports data rates of up to 1 Mbps, ensuring efficient communication between devices.
• Isolated design: The isolation feature provides enhanced noise immunity and protection against ground loops, making it suitable for industrial environments.
• Wide operating voltage range: The IC can operate within a wide voltage range of +3.0V to +5.5V, accommodating various power supply configurations.
• Low power consumption: The ADM238LAN is designed to minimize power consumption, making it suitable for battery-powered applications.
• Robust ESD protection: With ±15 kV ESD protection, the IC safeguards against electrostatic discharge, preventing damage to the device.

Advantages and Disadvantages

Advantages: - High-speed data transmission capability - Isolated design for improved noise immunity - Wide operating voltage range for flexibility - Low power consumption for energy efficiency - Robust ESD protection for increased reliability

Disadvantages: - Limited pin configuration options - Requires additional external components for complete RS-232 interface implementation

Working Principles

The ADM238LAN functions as an RS-232 line driver and receiver by converting digital signals from microcontrollers or logic systems into RS-232 compatible voltage levels. It utilizes internal circuitry to provide isolation and protection against noise and voltage fluctuations. The driver section amplifies the transmitted signals, while the receiver section converts the received RS-232 signals back into digital logic levels.

Application Field Plans

The ADM238LAN finds application in various industrial sectors, including but not limited to: - Factory automation systems - Process control equipment - Industrial robotics - Data acquisition systems - Test and measurement instruments

Alternative Models

For those seeking alternative options, the following ICs can be considered: 1. MAX232: A popular RS-232 line driver and receiver with similar features and performance. 2. LTC1480: Another isolated RS-232 transceiver offering enhanced noise immunity and robustness.

These alternatives provide similar functionality to the ADM238LAN and can be evaluated based on specific application requirements.

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