ICL3221EMVZ

Product Overview

Category: Integrated Circuit (IC)

Use: The ICL3221EMVZ is a high-speed, low-power, 3.0V to 5.5V RS-232 transceiver IC. It is designed for interfacing between TTL/CMOS logic levels and RS-232 voltage levels. This IC enables seamless communication between devices operating at different voltage levels.

Characteristics: - High-speed data transmission - Low power consumption - Wide operating voltage range - Robust protection against electrostatic discharge (ESD) - Compact package size - Easy integration into various electronic systems

Package: The ICL3221EMVZ is available in a small form factor, surface-mount package. It comes in a 16-pin TSSOP (Thin Shrink Small Outline Package) configuration.

Essence: The essence of the ICL3221EMVZ lies in its ability to provide reliable and efficient voltage level conversion for RS-232 communication in a wide range of applications.

Packaging/Quantity: The ICL3221EMVZ is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 3.0V to 5.5V
• Data Rate: Up to 250 kbps
• Number of Channels: 1 (Single)
• Operating Temperature Range: -40°C to +85°C
• ESD Protection: ±15kV (Human Body Model)
• RoHS Compliance: Yes

Pin Configuration

The ICL3221EMVZ features a 16-pin TSSOP package with the following pin configuration:

```

Pin Name Description

1 VCC Power Supply 2 GND Ground 3 T1OUT Transmitter Output 4 R1IN Receiver Input 5 R1OUT Receiver Output 6 T1IN Transmitter Input 7 SHDN Shutdown (Active Low) 8 VCC Power Supply 9 GND Ground 10 T2OUT Transmitter Output 11 R2IN Receiver Input 12 R2OUT Receiver Output 13 T2IN Transmitter Input 14 NC No Connection 15 NC No Connection 16 NC No Connection ```

Functional Features

• Voltage Level Conversion: The ICL3221EMVZ ensures seamless communication between devices operating at TTL/CMOS logic levels and RS-232 voltage levels.
• High-Speed Data Transmission: It supports data rates of up to 250 kbps, enabling fast and efficient data transfer.
• ESD Protection: The IC provides robust protection against electrostatic discharge, safeguarding the connected devices from potential damage.
• Low Power Consumption: The ICL3221EMVZ is designed to minimize power consumption, making it suitable for battery-powered applications.
• Shutdown Mode: The IC features a shutdown pin (SHDN) that allows the device to enter a low-power state when not in use, further reducing power consumption.

Advantages and Disadvantages

Advantages: - Wide operating voltage range enables compatibility with various systems. - Compact package size facilitates easy integration into space-constrained designs. - High-speed data transmission ensures efficient communication. - Robust ESD protection enhances reliability. - Low power consumption extends battery life in portable applications.

Disadvantages: - Limited to single-channel communication. - Requires external components for complete RS-232 interface implementation.

Working Principles

The ICL3221EMVZ operates by converting TTL/CMOS logic level signals to RS-232 voltage levels and vice versa. It utilizes internal charge pumps to generate the required voltage levels for RS-232 communication. The IC incorporates protection circuitry to guard against ESD events, ensuring reliable operation in various environments.

Application Field Plans

The ICL3221EMVZ finds applications in a wide range of industries and systems, including but not limited to: - Industrial automation - Telecommunications - Consumer electronics - Medical devices - Networking equipment - Point-of-sale terminals - Data acquisition systems

Alternative Models

For users seeking alternative options, the following ICs can be considered as substitutes for the ICL3221EMVZ: - MAX3232EIPWR - SP3232EEN-L/TR - ADM3202ARNZ - LTC1387CG#PBF

These alternatives offer similar functionality and are widely available in the market.

In conclusion, the ICL3221EMVZ is a versatile RS-232 transceiver IC that provides efficient voltage level conversion for seamless communication between TTL/CMOS logic levels and RS-232 voltage levels. With its high-speed data transmission,