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MAX3238CPWR

Name: MAX3238CPWR
Rating: 4.7 (12 reviews)

IC TRANSCEIVER FULL 5/3 28TSSOP

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資料表 MAX3238CPWR DataSheet
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規格

Part Status	Active
Type	Transceiver
Protocol	RS232
Number of Drivers/Receivers	5/3
Duplex	Full
Receiver Hysteresis	300 mV
Data Rate	250kbps
Voltage - Supply	3V ~ 5.5V
Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount
Package / Case	28-TSSOP (0.173", 4.40mm Width)
Supplier Device Package	28-TSSOP
Base Product Number	MAX3238

概述

Description

The MAX3238CPWR is a dual-channel, high-speed RS-232 transceiver designed for data communication between devices over long distances. It operates with a supply voltage of 3V to 5.5V and is compatible with both 3V and 5V microcontrollers. The device features a low power consumption design, making it ideal for portable applications.
The MAX3238CPWR supports data rates up to 250 kbps and includes built-in voltage level shifting, enabling reliable communication between TTL-compatible devices and RS-232 port interfaces. It offers enhanced protection against ESD, ensuring robustness in various operating conditions.
With its small package size (TSSOP, 16-pin), the MAX3238CPWR is suitable for space-constrained applications. Additionally, it has automatic power-down features that reduce power usage when the device is idle. Overall, the MAX3238CPWR is a versatile and efficient solution for implementing serial communication in embedded systems and various electronic applications.

Features

The MAX3238CPWR is a robust RS-232 transceiver designed for high-performance serial communications. Key features include:
1. Voltage Range: Operates from a single supply voltage of 3V to 5.5V, making it suitable for battery-powered devices.
2. Data Rate: Supports data rates up to 250 kbps, allowing for efficient data transmission.
3. Enhanced Drivers: Designed for low power consumption, providing high output drive capability with minimal quiescent current.
4. Built-in Protection: Integrated protection against ESD, ensuring reliability in electrically noisy environments.
5. Dual Transmitters and Receivers: Contains two transmitters and two receivers, supporting multi-point communication.
6. Small Package: Available in a 20-pin TSSOP package, ideal for space-constrained applications.
7. Low Power Consumption: Features a low-power sleep mode for battery conservation.
Overall, the MAX3238CPWR is an efficient solution for converting signals between RS-232 and TTL/CMOS levels, suitable for a variety of embedded applications.

Package

The MAX3238CPWR is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package) configuration. This surface-mount package is designed for space efficiency in electronic circuit designs.

Pinout

The MAX3238CPWR is a dual RS-232 transceiver with a pin count of 20. It is designed for converting TTL/CMOS logic levels to RS-232 signals and vice versa.
### Pin Functions:
1. Power Supply: V+ (Pin 1), GND (Pin 20)
2. Transmitter Outputs: T1OUT (Pin 2), T2OUT (Pin 4)
3. Receiver Inputs: R1IN (Pin 3), R2IN (Pin 5)
4. Control Pins: DE1 (Pin 6), DE2 (Pin 7) - Driver Enable
5. C1/C2 Capacitor Connections: C1+ (Pin 8), C1- (Pin 9), C2+ (Pin 10), C2- (Pin 11)
6. Receiver Outputs: R1OUT (Pin 12), R2OUT (Pin 13)
7. Additional Control Pins: VREF (Pin 19), NC (No Connect - multiple pins)
The device features a low power consumption and operates over a wide voltage range, making it suitable for various applications requiring serial communication.

Manufacturer

The MAX3238CPWR is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated was known for designing and manufacturing analog and mixed-signal semiconductors. The company specialized in high-performance integrated circuits used in various applications, including communications, automotive, industrial, and consumer electronics. Analog Devices, the parent company, continues to offer a wide range of innovative solutions for signal processing and data conversion, serving diverse markets such as healthcare, aerospace, and automotive.

Application

The MAX3238CPWR is a dual-channel RS-232 transceiver used in various applications such as industrial automation, point-of-sale systems, telecommunications, and data acquisition systems. It facilitates communication between microcontrollers and RS-232 compatible devices, enabling data transmission over longer distances with minimal signal degradation. Its low power consumption and small footprint make it suitable for portable and battery-operated devices.

Equivalent

Equivalent products to the MAX3238CPWR include the MAX3238E, MAX232, and ST3232. Other alternatives are the TC232 and ADM3250. These chips offer similar RS-232 communication functionality, but it's essential to check their specific voltage levels and pin configurations for compatibility.