MAX242EWN

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MAX242EWN

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IC TRANSCEIVER FULL 2/2 18SOIC

  • Nhà sản xuấtAnalog Devices Inc./Maxim tích hợp

  • Ông. Phần #MAX242EWN

  • Bảng dữ liệu MAX242EWN DataSheet

  • Có sẵn4732

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Thông số kỹ thuật

thuộc tính Giá trị
Part Status Obsolete
Type Transceiver
Protocol RS232
Number of Drivers/Receivers 2/2
Duplex Full
Receiver Hysteresis 500 mV
Data Rate 200kbps
Voltage - Supply 4.5V ~ 5.5V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package / Case 18-SOIC (0.295", 7.50mm Width)
Supplier Device Package 18-SOIC
Base Product Number MAX242

Tổng quan

Description

The MAX242EWN is a high-performance integrated circuit designed for RS-232 communication, a standard for serial data transmission. This device features a dual-driver and dual-receiver architecture, allowing it to facilitate bidirectional data transfer between devices. The MAX242EWN operates from a single +5V power supply, making it suitable for low-voltage applications while maintaining RS-232 levels (±10V).
Key features include a wide temperature range, low power consumption, and minimal external components, which simplify design and integration into electronic systems. The device’s built-in charge pump enables it to generate the necessary voltage levels for RS-232 operation, making it ideal for mobile and battery-powered devices.
Overall, the MAX242EWN is a reliable choice for applications requiring robust serial communication, such as in embedded systems, data loggers, and industrial automation. Its compact design and efficiency make it valuable for engineers seeking to implement RS-232 interfaces in their products.

Equivalent

The MAX242EWN chip is a dual RS-232 transceiver. Equivalent products include the MAX232, MAX239, and MAX245. Other alternatives are the ST202 and LTC1223. These chips offer similar functionality for RS-232 signal conversion and can often replace the MAX242EWN in various applications, depending on specific requirements like voltage levels and package type. Always check data sheets for compatibility.

Features

The MAX242EWN is a high-speed, low-power RS-232 transceiver designed for communication between microcontrollers and RS-232 devices. Key features include:
1. Data Rate: Supports data rates up to 120 kbps.
2. Voltage Range: Operates with a single supply voltage of 5V, with a wide input voltage range of ±5V to ±15V.
3. Low Power Consumption: Consumes only 1.5 mA in active mode and less than 1 µA in shutdown mode.
4. Compact Package: Available in a 20-pin SSOP package, suitable for space-constrained applications.
5. Driver and Receiver: Includes two drivers and two receivers, allowing for full-duplex communication.
6. Wide Temperature Range: Rated for operation from -40°C to +85°C.
7. Protection Features: Equipped with built-in short-circuit protection and thermal shutdown.
8. Standard Compliance: Meets EIA/TIA-232-E standards for signal levels and timing.
These features make the MAX242EWN ideal for various data communication applications in embedded systems.

Pinout

The MAX242EWN is a dual RS-232 driver/receiver designed for communication applications. It features a 16-pin TSSOP package.
Pin Count: 16 pins
Functions:
- Drivers (TX): Pins 1, 2, 3 (T1OUT, T2OUT) are used for transmitting data to the RS-232 interface.
- Receivers (RX): Pins 4, 5, 6 (R1IN, R2IN) receive data from the RS-232 interface.
- Power Supply: Pin 16 (V+) connects to a positive power supply (typically +5V).
- Ground: Pin 8 (GND) is the ground reference.
- Control: Pins 7 (R1OUT) and 9 (R2OUT) provide the output from the receivers to the microcontroller or logic circuit.
- Additional Pins: Pins 10 to 15 are used for various functions such as voltage and signaling control.
The MAX242EWN is known for low power consumption and compatibility with standard RS-232 voltage levels, making it suitable for reliable serial communication in embedded systems.

Manufacturer

The MAX242EWN is manufactured by Analog Devices, Inc. Analog Devices, often abbreviated as ADI, is a leading global company that specializes in high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits (ICs). Founded in 1965, the company focuses on designing products that enhance performance in a wide range of applications, including communications, industrial automation, automotive, medical instrumentation, and consumer electronics.
Analog Devices is known for its innovative solutions in data conversion, signal processing, and power management, catering to various sectors that require precision and reliability. The MAX242EWN specifically is a high-speed, high-performance device used for signal conditioning and interfacing applications, typically in data communication and networking systems. The company has a strong reputation for quality and cutting-edge technology, making it a key player in the semiconductor industry.

Application

The MAX242EWN is a versatile RS-232 transceiver used primarily in communication applications. Its key areas include:
1. Serial Communication: Facilitates direct communication between microcontrollers and computers via RS-232 protocol.
2. Embedded Systems: Integrates into embedded devices for data exchange.
3. Automated Test Equipment: Used in testing setups for communication with various instruments.
4. Industrial Automation: Connects controllers and sensors in industrial settings.
5. Point-of-Sale Systems: Enables communication between peripherals like barcode scanners and cash registers.
Overall, it supports reliable, short-distance data transmission in diverse electronic applications.

Package

The MAX242EWN is packaged in a 16-pin TSSOP (Thin Shrink Small Outline Package).

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