Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Transceiver |
| Protocol | RS232 |
| NumberofDrivers/Receivers | 5/3 |
| Duplex | Full |
| ReceiverHysteresis | 300 mV |
| DataRate | 250kbps |
| Voltage-Supply | 3V ~ 5.5V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 28-TSSOP (0.173, 4.40mm Width) |
Tổng quan
Description
The MAX3238IPWR is a high-performance, low-power RS-232 transceiver integrated circuit designed by Texas Instruments. It operates with a single supply voltage ranging from 3V to 5.5V, making it suitable for battery-powered and portable applications. The device includes five drivers and three receivers, which facilitate full-duplex communication in RS-232 serial interfaces.
Key features of the MAX3238IPWR include advanced ESD protection exceeding ±15kV using Human Body Model (HBM), ensuring robust operation in harsh environments. The transceiver achieves communication speeds up to 250 kbps while maintaining low power consumption. An automatic power-down feature further enhances efficiency by disabling the device when it is not in use, thereby conserving energy.
The IC comes in a compact TSSOP-28 package, suitable for space-constrained designs. The MAX3238IPWR is ideal for interfacing with microcontrollers, computers, and other devices requiring RS-232 communication, such as modems and serial peripherals. Its reliability and efficiency make it popular in industrial, consumer, and communications applications.
Key features of the MAX3238IPWR include advanced ESD protection exceeding ±15kV using Human Body Model (HBM), ensuring robust operation in harsh environments. The transceiver achieves communication speeds up to 250 kbps while maintaining low power consumption. An automatic power-down feature further enhances efficiency by disabling the device when it is not in use, thereby conserving energy.
The IC comes in a compact TSSOP-28 package, suitable for space-constrained designs. The MAX3238IPWR is ideal for interfacing with microcontrollers, computers, and other devices requiring RS-232 communication, such as modems and serial peripherals. Its reliability and efficiency make it popular in industrial, consumer, and communications applications.
Equivalent
The MAX3238IPWR is an RS-232 transceiver. Equivalent products include:
1. MAX3232 - A similar RS-232 transceiver with comparable voltage ranges and pin configuration.
2. SP3232 - From Exar (now MaxLinear), offering similar functionalities.
3. ADM3232 - By Analog Devices, with similar characteristics.
4. ST3232 - From STMicroelectronics, providing comparable performance.
5. ICL3232 - By Renesas, another equivalent in terms of functionality.
Ensure compatibility by checking datasheets for pin configuration and electrical specifications.
1. MAX3232 - A similar RS-232 transceiver with comparable voltage ranges and pin configuration.
2. SP3232 - From Exar (now MaxLinear), offering similar functionalities.
3. ADM3232 - By Analog Devices, with similar characteristics.
4. ST3232 - From STMicroelectronics, providing comparable performance.
5. ICL3232 - By Renesas, another equivalent in terms of functionality.
Ensure compatibility by checking datasheets for pin configuration and electrical specifications.
Features
The MAX3238IPWR is a RS-232 transceiver from Texas Instruments designed for reliable communication in compact and power-efficient applications. It operates from a single 3.0V to 5.5V power supply and features a low-power shutdown mode that reduces current consumption to less than 1µA. The device includes five drivers and three receivers to facilitate communication between data terminal equipment (DTE) and data circuit-terminating equipment (DCE).
Key features include automatic wake-up, low dropout voltage, and enhanced ESD protection exceeding ±15kV using the Human Body Model. The transceiver is compliant with TIA/EIA-232-F standards and supports data rates up to 250kbps. Additionally, the MAX3238IPWR integrates capacitive charge-pump voltage converters, requiring only four small external capacitors, thus minimizing board space.
Its small TSSOP package makes it suitable for space-constrained applications. The device is ideal for use in battery-powered equipment, laptops, mobile devices, and other portable electronic systems requiring serial communication.
Key features include automatic wake-up, low dropout voltage, and enhanced ESD protection exceeding ±15kV using the Human Body Model. The transceiver is compliant with TIA/EIA-232-F standards and supports data rates up to 250kbps. Additionally, the MAX3238IPWR integrates capacitive charge-pump voltage converters, requiring only four small external capacitors, thus minimizing board space.
Its small TSSOP package makes it suitable for space-constrained applications. The device is ideal for use in battery-powered equipment, laptops, mobile devices, and other portable electronic systems requiring serial communication.
Pinout
The MAX3238IPWR is a 3.0V to 5.5V multichannel RS-232 line driver/receiver. It features a total of 24 pins. The primary function of this IC is to provide RS-232 communication by converting signal levels from a microcontroller's UART (Universal Asynchronous Receiver-Transmitter) to those needed for RS-232 compliant devices. It typically includes multiple drivers and receivers, enabling bi-directional communication between devices.
Key features include automatic shutdown, low power consumption, and an integrated charge pump, which eliminates the need for external capacitors. The device is often used in personal computers, peripherals, and portable instrumentation. It supports data rates up to 250 kbps, making it suitable for most standard RS-232 applications. The pin configuration includes pins for transmitting and receiving data, as well as for controlling and indicating the status of the device.
Key features include automatic shutdown, low power consumption, and an integrated charge pump, which eliminates the need for external capacitors. The device is often used in personal computers, peripherals, and portable instrumentation. It supports data rates up to 250 kbps, making it suitable for most standard RS-232 applications. The pin configuration includes pins for transmitting and receiving data, as well as for controlling and indicating the status of the device.
Manufacturer
The manufacturer of the MAX3238IPWR is Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of analog and embedded processing chips. These products are used in various applications, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI is known for its innovation in chip technology and a broad portfolio of semiconductor products.
Application
The MAX3238IPWR is a RS-232 transceiver used primarily in serial communication applications. Its low power requirements make it ideal for battery-powered and portable devices. Common application areas include computer serial ports, handheld devices, GPS units, point-of-sale systems, industrial automation equipment, and any system requiring RS-232 communication with low voltage logic levels. Its enhanced electrostatic discharge (ESD) protection and wide temperature range make it suitable for harsh environments. Additionally, it is used in embedded systems for interfacing microcontrollers with serial communication peripherals.
Package
The MAX3238IPWR is a 28-pin TSSOP (Thin Shrink Small Outline Package) device. This package type is compact, suitable for surface-mount technology, and often used in applications requiring RS-232 transceivers, like the MAX3238, which is designed for low power and high data rate serial communication.
