ADM211EARU-REEL7

Product Overview

Category: Integrated Circuit (IC)

Use: The ADM211EARU-REEL7 is a high-speed, RS-232 line driver and receiver IC. It is designed to provide reliable communication between two devices using the RS-232 protocol.

Characteristics: - High-speed data transmission - Low power consumption - Wide operating voltage range - Robust ESD protection - Small form factor

Package: The ADM211EARU-REEL7 is available in a small outline package (SOIC) with 16 pins.

Essence: This IC serves as an interface between devices that use the RS-232 standard for serial communication. It ensures accurate and efficient data transfer over long distances.

Packaging/Quantity: The ADM211EARU-REEL7 is typically sold in reels containing 2500 units.

Specifications

• Supply Voltage Range: +3.0V to +5.5V
• Data Rate: Up to 1 Mbps
• Operating Temperature Range: -40°C to +85°C
• Number of Channels: 2 (driver and receiver)
• Input/Output Logic Levels: TTL/CMOS compatible
• ESD Protection: ±15kV Human Body Model

Pin Configuration

The ADM211EARU-REEL7 has 16 pins arranged as follows:

Pin 1: VCC Pin 2: GND Pin 3: RIN1 (Receiver Input 1) Pin 4: ROUT1 (Receiver Output 1) Pin 5: RIN2 (Receiver Input 2) Pin 6: ROUT2 (Receiver Output 2) Pin 7: TOUT2 (Transmitter Output 2) Pin 8: TIN2 (Transmitter Input 2) Pin 9: TOUT1 (Transmitter Output 1) Pin 10: TIN1 (Transmitter Input 1) Pin 11: C1- (Capacitor 1 Negative Terminal) Pin 12: C1+ (Capacitor 1 Positive Terminal) Pin 13: C2- (Capacitor 2 Negative Terminal) Pin 14: C2+ (Capacitor 2 Positive Terminal) Pin 15: RS- (RS-232 Driver Output) Pin 16: RS+ (RS-232 Driver Output)

Functional Features

• High-speed RS-232 communication: The ADM211EARU-REEL7 supports data rates of up to 1 Mbps, enabling fast and efficient data transfer.
• ESD Protection: With ±15kV Human Body Model ESD protection, this IC ensures reliable operation even in environments prone to electrostatic discharge.
• TTL/CMOS Compatibility: The input and output logic levels are compatible with both TTL and CMOS devices, allowing seamless integration into various systems.

Advantages and Disadvantages

Advantages: - High-speed data transmission capability - Wide operating voltage range allows flexibility in system design - Robust ESD protection ensures reliability in harsh environments - Small form factor saves board space

Disadvantages: - Limited to RS-232 communication standard, not compatible with other protocols - Requires additional external capacitors for proper operation

Working Principles

The ADM211EARU-REEL7 operates by converting TTL/CMOS logic levels to RS-232 voltage levels. It uses internal charge pumps to generate the required RS-232 voltages for driving the line. The receiver section converts the RS-232 signals back to TTL/CMOS levels for further processing by the receiving device.

Detailed Application Field Plans

The ADM211EARU-REEL7 is commonly used in various applications, including: - Industrial automation systems - Data communication equipment - Point-of-sale terminals - Networking devices - Medical devices

Detailed and Complete Alternative Models

Some alternative models to the ADM211EARU-REEL7 include: - MAX232: A popular RS-232 line driver and receiver IC from Maxim Integrated. - SP3232: Another widely used RS-232 transceiver IC from Exar Corporation. - LTC1480: A low-power RS-485 transceiver IC from Linear Technology.

These alternative models offer similar functionality and can be considered as replacements for the ADM211EARU-REEL7 depending on specific requirements.

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