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MAX3221EEUE+

Name: MAX3221EEUE+
Rating: 4.7 (12 reviews)

RS-232 TRANSCEIVER

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製造商。部分 #MAX3221EEUE+
包 TSSOP-16
資料表 MAX3221EEUE+ DataSheet
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規格

Package	Bulk
ProductStatus	Active

概述

Description

The MAX3221EEUE+ is a high-speed, low-power RS-232 transceiver designed for communication between microcontrollers and serial devices. Operating from a single +3V to +5.5V power supply, it features a data rate of up to 250 kbps while ensuring compliance with RS-232 standards.
Key features include a small 16-pin TQFN package, low power consumption, and integrated capacitors that simplify design. The device supports both full-duplex and half-duplex communication, making it versatile for various applications, including portable and battery-operated devices.
The MAX3221EEUE+ also incorporates a wide input voltage range, allowing it to interface with different logic levels. Its thermal shutdown and short-circuit protection enhance reliability in demanding environments.
Overall, it is an ideal solution for implementing serial communication in space-constrained designs while maintaining low power usage and high performance.

Features

The MAX3221EEUE+ is a dual RS-232 transceiver designed for efficient communication in embedded applications. Key features include:
1. Voltage Range: Operates with a supply voltage of 3.0V to 5.5V, making it suitable for both 3V and 5V systems.
2. Low Power Consumption: Consumes less than 1 µA in shutdown mode, enhancing battery life in portable devices.
3. High Data Rate: Supports data rates up to 250 kbps, ensuring fast data transmission.
4. Integrated Capacitors: Contains internal charge pump capacitors, reducing external component count and PCB space.
5. Enhanced ESD Protection: Provides ±15kV ESD protection on the RS-232 pins, safeguarding against voltage spikes.
6. Dual Channels: Features two independent drivers and receivers, allowing for simultaneous communication on two lines.
7. Compact Package: Available in a small 16-pin TSSOP package, which is ideal for space-constrained designs.
These features make the MAX3221EEUE+ an excellent choice for reliable serial communication in various electronic applications.

Package

The MAX3221EEUE+ is packaged in a 20-pin TSSOP (Thin Shrink Small Outline Package) format.

Pinout

The MAX3221EEUE+ is a dual RS-232 transceiver with a pin count of 28 pins. It operates with a voltage range of +3.0V to +5.5V and is designed for communication between a microcontroller and RS-232 devices.
Key functions include:
- Transmitter and Receiver: Two transmitters (TX) and two receivers (RX) for serial communication.
- Level Shifting: Converts TTL/CMOS voltage levels to RS-232 levels.
- Charge Pump: Generates the required RS-232 voltage levels without the need for external components.
- Low-Power Operation: Designed for low power consumption, making it suitable for battery-powered applications.
- Enhanced ESD Protection: Provides protection against electrostatic discharge.
The pin configuration includes power supply pins, ground, TX, RX pins, and control signals for full-duplex communication.

Manufacturer

The MAX3221EEUE+ is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated is a semiconductor company known for designing and manufacturing analog and mixed-signal integrated circuits. Their products are widely used in various applications, including consumer electronics, automotive, industrial, and communications. The company specializes in high-performance signal processing, power management, and data conversion solutions, providing innovative technologies that support a range of electronic devices.

Application

The MAX3221EEUE+ is a high-speed RS-232 transceiver used in various applications, including point-of-sale terminals, computer interfaces, industrial automation, and instrumentation. It serves for data communication between microcontrollers and peripheral devices, enabling reliable transmission over long distances with minimal power consumption. It's also employed in portable devices due to its low voltage operation and small package size.

Equivalent

Equivalent products to the MAX3221EEUE+ include the Texas Instruments SN75176, the Analog Devices ADM3251E, and the STMicroelectronics ST3232. These chips also provide RS-232 communication capabilities with similar voltage level shifting and can be used in similar applications. Always check specific data sheets for detailed compatibility and performance specifications.