MAX3221EUE

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MAX3221EUE

RS-232 TRANSCEIVER

  • Manufacturer
  • Mfr. Part #MAX3221EUE
  • Package TSSOP-16
  • Datasheet
  • In Stock4480

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Specifications

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Overview

Description

The MAX3221EUE is a high-performance RS-232 level transceiver designed for data communication between microcontrollers and peripheral devices over longer distances. It operates with a single power supply voltage ranging from 3V to 5.5V, making it versatile for various applications. The MAX3221EUE features a typical transmission range of 120 kbps and supports a maximum distance of up to 50 feet (15 meters) at 19.2 kbps.
This device includes integrated capacitors that simplify PCB layout and reduce component count, along with a built-in charge pump that generates the necessary voltage levels for RS-232 communication. It can drive loads of up to ±30V, ensuring compatibility with traditional RS-232 devices.
Additionally, the MAX3221EUE has enhanced protection against ESD events, making it suitable for use in industrial and harsh environments. Its compact package and efficiency make it an excellent choice for embedded systems, telecommunications, and portable devices requiring reliable serial communication.

Features

The MAX3221EUE is a dual RS-232 transceiver designed for communication in industrial and automotive applications. Key features include:
1. Voltage Range: Operates from a single +3V to +5.5V power supply.
2. Data Rate: Supports data rates up to 120 kbps.
3. Driver Outputs: Provides two driver outputs, each capable of delivering ±5V output levels to meet RS-232 voltage specifications.
4. Low Power: Features low power consumption, making it suitable for battery-operated devices.
5. Integrated Capacitors: On-chip charge pump and integrated capacitors reduce external component count.
6. Temperature Range: Operates over a wide temperature range (-40°C to +85°C).
7. Small Package: Available in a compact 16-pin TSSOP package, ideal for space-constrained applications.
8. Protection: Includes short-circuit protection and ESD protection to enhance reliability.
These features make the MAX3221EUE an efficient choice for reliable serial communication in various electronic designs.

Package

The MAX3221EUE is packaged in a 20-pin TSSOP (Thin Shrink Small Outline Package).

Pinout

The MAX3221EUE is a dual-channel RS-232 transceiver with a pin count of 20. It is designed for low-voltage operation and features a wide input voltage range, making it suitable for communication between devices in various applications.
Key functions of the MAX3221EUE include:
1. RS-232 Communication: Converts TTL/CMOS logic levels to RS-232 levels, allowing for standard serial communication.
2. Dual Channels: Supports two independent data channels, enabling simultaneous communication.
3. High Data Rate: Capable of data rates up to 250 kbps.
4. Low Power Consumption: Operates with low power, making it efficient for battery-powered devices.
5. Integrated Capacitors: Some variants include internal charge pumps for voltage generation, simplifying design.
The MAX3221EUE is ideal for interfacing microcontrollers and other digital devices with RS-232 interfaces.

Manufacturer

The MAX3221EUE is manufactured by Maxim Integrated, a company that specializes in analog and mixed-signal semiconductor products. Founded in 1983, Maxim Integrated designs and produces a wide range of integrated circuits (ICs) for various applications, including communication, automotive, industrial, and consumer electronics. The company is known for its innovation in power management, signal processing, and data conversion technologies. In 2021, Maxim Integrated was acquired by Analog Devices, Inc., a global leader in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. This acquisition has further strengthened Maxim's position in the semiconductor industry.

Application

The MAX3221EUE is a versatile RS-232 transceiver used primarily in communication applications. Key areas include portable devices, microcontroller interfaces, data acquisition systems, and industrial automation. It facilitates serial communication between devices by converting TTL/CMOS logic levels to RS-232 levels, making it suitable for connecting computers to modems, printers, and other RS-232 compliant devices. Its low power consumption makes it ideal for battery-operated applications.

Equivalent

The MAX3221EUE chip is a RS-232 transceiver. Equivalent products include:
1. MAX3221E (standard version)
2. MAX2200 (low power)
3. SP3232 (similar functionality)
4. SC232 (cost-effective alternative)
5. LT1081 (older version)
Always check specific features and pin configurations to ensure compatibility for your application.

Shipping

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Shipping Fee Reference (DHL/FedEx):

DHL: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 2-5 business days.

FedEx: Shipping cost ranges from $25-$40 (0.5kg), with an estimated delivery time of 3-7 business days.

UPS: Shipping cost ranges from $25-$45 (0.5kg), with an estimated delivery time of 3-7 business days.

TNT: Shipping cost ranges from $25-$65 (0.5kg), with an estimated delivery time of 3-7 business days.

EMS: Shipping cost ranges from $30-$50 (0.5kg), with an estimated delivery time of 7-15 business days.

Registered Air Mail: Shipping cost is $2-$4 (0.1kg), with an estimated delivery time of 5-20 business days.

Payments

Payment Methods

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3. Wire Transfer

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