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MAX3221EAE

Name: MAX3221EAE
Rating: 4.7 (12 reviews)

IC TRANSCEIVER FULL 1/1 16SSOP

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規格

Part Status	Obsolete
Type	Transceiver
Protocol	RS232
Number of Drivers/Receivers	1/1
Duplex	Full
Receiver Hysteresis	300 mV
Data Rate	235Kbps
Voltage - Supply	3V ~ 5.5V
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	16-SSOP (0.209", 5.30mm Width)
Supplier Device Package	16-SSOP
Base Product Number	MAX3221

概述

Description

The MAX3221EAE is a high-performance RS-232 transceiver designed for communication between microcontrollers and serial devices. It operates over a wide voltage range of +3V to +5.5V, making it suitable for a variety of applications. The device features low power consumption, achieving a maximum supply current of 1 mA, which is ideal for battery-powered systems.
The MAX3221EAE includes a charge pump that generates the necessary voltage levels for RS-232 signaling, allowing it to deliver output voltages of up to ±6V, compliant with the RS-232 standard. It supports data rates up to 250 kbps and includes built-in protection against ESD events, ensuring reliability in harsh environments.
Additionally, the device is available in a compact 20-pin TSSOP package, facilitating easy integration into space-constrained designs. Its robust features make the MAX3221EAE suitable for applications in industrial automation, point-of-sale systems, and other serial communication tasks.

Features

The MAX3221EAE is a low-power, dual-channel RS-232 transceiver designed for high-speed data communications. Key features include:
1. Voltage Range: Operates with a single supply voltage of +3V to +5.5V.
2. Data Rate: Supports data rates up to 250 kbps.
3. Driver and Receiver: Dual drivers and receivers for full-duplex communication.
4. Low Power Consumption: Consumes only 1 µA in shutdown mode, making it suitable for battery-powered applications.
5. Integrated Capacitors: Internal charge pumps eliminate the need for external capacitors, simplifying design.
6. Wide Temperature Range: Operates from -40°C to +85°C, ideal for industrial applications.
7. EIA/TIA-232 Compliance: Meets RS-232 standard for reliable communication over longer distances.
8. Small Package: Available in a compact 20-pin SSOP package, ensuring space efficiency in designs.
These features make the MAX3221EAE ideal for portable devices and applications requiring robust serial communication.

Package

The MAX3221EAE is typically available in a 16-pin SOIC (Small Outline Integrated Circuit) package. This surface-mount package is designed for efficient PCB space utilization and is suitable for various applications requiring RS-232 level shifting.

Pinout

The MAX3221EAE is a low-power, dual transceiver designed for RS-232 communication. It features a total of 16 pins. The primary functions include:
1. Transmitter Inputs (TXD): Accepts serial data from a microcontroller or similar device.
2. Receiver Outputs (RXD): Outputs the received serial data.
3. Control Pins: Includes pins like DE (Driver Enable) and RE (Receiver Enable) for enabling the drivers and receivers.
4. Power Supply Pins: Connects to a power supply (VCC) and ground (GND).
5. Charge Pump Outputs: Generates the necessary voltages for RS-232 levels from a single +5V supply.
6. Fault Indicator (FAULT): Indicates any issues with the device operation.
This device is commonly used in applications where low power consumption and small package size are critical.

Manufacturer

The MAX3221EAE is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated specializes in high-performance analog and mixed-signal semiconductor solutions. The company focuses on providing innovative products for various applications, including communications, automotive, industrial, and consumer electronics. Their offerings include data converters, amplifiers, voltage regulators, and interface devices, among others. Maxim Integrated has a strong reputation for developing reliable and efficient components that are widely used in electronic design and manufacturing.

Application

The MAX3221EAE is a high-speed RS-232 transceiver commonly used in applications such as data communication between computers and peripheral devices, industrial automation systems, point-of-sale terminals, and embedded systems. It offers reliable serial communication over longer distances, making it suitable for point-to-point connections in environments where noise immunity is crucial. Additionally, it is often utilized in GPS systems, modems, and any application requiring level-shifting between TTL/CMOS and RS-232 voltage levels.

Equivalent

Equivalent products to the MAX3221EAE chip include the TI (Texas Instruments) MAX3232, the MCP2200 from Microchip, and the STMicroelectronics ST3232. These chips offer similar RS-232 communication capabilities and voltage level shifting features. Always verify specifications to ensure compatibility with your specific application.