ICL3221EIVZ-T7A

Product Overview

Category: Integrated Circuit (IC)

Use: The ICL3221EIVZ-T7A is a high-speed, low-power, 3.0V to 5.5V RS-232 transceiver IC. It is designed for use in applications that require bidirectional 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 ICL3221EIVZ-T7A is available in a small outline package (SOIC) with 16 pins.

Essence: This IC serves as an interface between devices operating at different voltage levels, enabling reliable and efficient communication over RS-232 serial connections.

Packaging/Quantity: The ICL3221EIVZ-T7A is typically sold in reels containing 2500 units per reel.

Specifications

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

Pin Configuration

The ICL3221EIVZ-T7A has a total of 16 pins, which are assigned specific functions as follows:

| Pin No. | Name | Function | |---------|------|----------| | 1 | VCC | Power supply voltage input | | 2 | GND | Ground reference | | 3 | T1IN | Transmit data input | | 4 | R1OUT| Receive data output | | 5 | R1IN | Receive data input | | 6 | T1OUT| Transmit data output | | 7 | GND | Ground reference | | 8 | VCC | Power supply voltage input | | 9 | C1OUT| Capacitor connection for charge pump | | 10 | C1IN | Capacitor connection for charge pump | | 11 | R2IN | Receive data input | | 12 | T2OUT| Transmit data output | | 13 | T2IN | Transmit data input | | 14 | R2OUT| Receive data output | | 15 | GND | Ground reference | | 16 | VCC | Power supply voltage input |

Functional Features

• Bi-directional RS-232 communication
• Automatic power-down mode for power saving
• Enhanced ESD protection for improved reliability
• Wide operating voltage range for compatibility with various systems
• High-speed data transmission for efficient communication

Advantages and Disadvantages

Advantages: - High-speed data transmission capability - Low power consumption - Robust ESD protection - Small form factor for space-constrained applications

Disadvantages: - Limited to RS-232 communication protocol - Requires external capacitors for charge pump operation

Working Principles

The ICL3221EIVZ-T7A operates by converting the logic level signals of the RS-232 protocol to the appropriate voltage levels required by the connected devices. It uses a charge pump to generate the higher voltage levels needed for RS-232 communication. The IC also incorporates ESD protection circuitry to safeguard against electrostatic discharge events.

Detailed Application Field Plans

The ICL3221EIVZ-T7A is commonly used in various applications, including but not limited to: - Industrial automation systems - Point-of-sale terminals - Networking equipment - Medical devices - Consumer electronics

Detailed and Complete Alternative Models

1. MAX3221E: Similar functionality and specifications, offered by Maxim Integrated.
2. SP3232E: RS-232 transceiver IC with enhanced ESD protection, manufactured by Exar Corporation.
3. ADM3202: Low-power RS-232 transceiver IC, available from Analog Devices.

These alternative models provide similar features and can be considered as substitutes for the ICL3221EIVZ-T7A in various applications.

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