사양
| 속성 | 가치 |
| Package / Case | Tube |
| Part Status | Active |
| Type | Transceiver |
| Protocol | RS232 |
| Number of Drivers/Receivers | 3/5 |
| Duplex | Full |
| Receiver Hysteresis | 500 mV |
| Data Rate | 1Mbps |
| Voltage - Supply | 3V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
개요
Description
The MAX3245EETX+ is a high-performance transceiver IC designed for RS-232 communication applications. It is manufactured by Maxim Integrated, now part of Analog Devices. This device incorporates five drivers and three receivers, allowing for full-duplex communication and supporting various RS-232 ports.
Key features include an operating voltage range of 3.0V to 5.5V, which makes it suitable for battery-powered applications, and low power consumption with a 1µA shutdown mode. The device also offers a high data rate capability, typically up to 1Mbps, which is ideal for modern high-speed serial communications.
Internally, the MAX3245EETX+ features a unique charge pump design that eliminates the need for external capacitors, simplifying the design and reducing board space. It is equipped with ±15kV ESD protection on the RS-232 I/O pins, enhancing reliability and durability in harsh environments.
The IC is packaged in a compact TSSOP package, making it relatively easy to integrate into space-constrained applications, such as mobile devices, laptops, and other consumer electronics requiring reliable RS-232 communication.
Key features include an operating voltage range of 3.0V to 5.5V, which makes it suitable for battery-powered applications, and low power consumption with a 1µA shutdown mode. The device also offers a high data rate capability, typically up to 1Mbps, which is ideal for modern high-speed serial communications.
Internally, the MAX3245EETX+ features a unique charge pump design that eliminates the need for external capacitors, simplifying the design and reducing board space. It is equipped with ±15kV ESD protection on the RS-232 I/O pins, enhancing reliability and durability in harsh environments.
The IC is packaged in a compact TSSOP package, making it relatively easy to integrate into space-constrained applications, such as mobile devices, laptops, and other consumer electronics requiring reliable RS-232 communication.
Equivalent
The MAX3245EETX+ is a 3V to 5.5V, 1µA, RS-232 transceiver with autoshutdown. Equivalent products include:
1. Texas Instruments MAX3243
2. Analog Devices ADM3202
3. STMicroelectronics ST3232
4. Exar SP3232E
5. Intersil ISL4232
These alternatives typically offer similar features such as low power consumption, multiple drivers/receivers, and compatibility with RS-232 standards. Always check specific datasheets for compatibility with your application.
1. Texas Instruments MAX3243
2. Analog Devices ADM3202
3. STMicroelectronics ST3232
4. Exar SP3232E
5. Intersil ISL4232
These alternatives typically offer similar features such as low power consumption, multiple drivers/receivers, and compatibility with RS-232 standards. Always check specific datasheets for compatibility with your application.
Features
The MAX3245EETX+ is a 3V-powered, RS-232 transceiver with several key features. It includes five drivers and three receivers, supporting serial communication. The device is designed to operate with a single 3V to 5.5V supply, making it suitable for battery-powered and portable applications. It features a low-power shutdown mode, which reduces the supply current to 1µA, enhancing battery life.
The MAX3245EETX+ incorporates automatic shutdown and wake-up functions to save energy when the RS-232 cable is removed or the port is inactive. It also provides a guaranteed data rate of 250 kbps, ensuring reliable communication at high speeds. The transceiver offers electrostatic discharge (ESD) protection of up to ±15kV on the RS-232 pins, safeguarding against voltage spikes.
Additionally, it features a flow-through pinout, which simplifies PCB layout and reduces board space. The device is available in a TQFN package, which is compact and thermally efficient. Overall, the MAX3245EETX+ is a versatile and efficient solution for RS-232 communication in low-voltage applications.
The MAX3245EETX+ incorporates automatic shutdown and wake-up functions to save energy when the RS-232 cable is removed or the port is inactive. It also provides a guaranteed data rate of 250 kbps, ensuring reliable communication at high speeds. The transceiver offers electrostatic discharge (ESD) protection of up to ±15kV on the RS-232 pins, safeguarding against voltage spikes.
Additionally, it features a flow-through pinout, which simplifies PCB layout and reduces board space. The device is available in a TQFN package, which is compact and thermally efficient. Overall, the MAX3245EETX+ is a versatile and efficient solution for RS-232 communication in low-voltage applications.
Pinout
The MAX3245EETX+ is a 28-pin device that functions as a 3V to 5.5V RS-232 transceiver. It is designed to provide the necessary interface between RS-232-compatible devices and a microcontroller or other digital logic operating at lower voltages. Key features include:
- Transmitter Outputs: The device includes five RS-232 transmitter outputs with slew rate limiting, which allows for compliance with the RS-232 standard.
- Receiver Inputs: It features three RS-232 receiver inputs, which adapt RS-232 signal levels to the logic levels of the digital interface.
- Voltage Range: It operates within a supply voltage range of 3V to 5.5V.
- Auto Shutdown: The MAX3245EETX+ includes an automatic shutdown feature to save power when no valid RS-232 voltage levels are present.
- ESD Protection: Enhanced ESD protection is provided on all pins to protect against electrostatic discharges.
This makes the MAX3245EETX+ suitable for portable, battery-powered equipment and other applications where power conservation and reliable RS-232 communication are critical.
- Transmitter Outputs: The device includes five RS-232 transmitter outputs with slew rate limiting, which allows for compliance with the RS-232 standard.
- Receiver Inputs: It features three RS-232 receiver inputs, which adapt RS-232 signal levels to the logic levels of the digital interface.
- Voltage Range: It operates within a supply voltage range of 3V to 5.5V.
- Auto Shutdown: The MAX3245EETX+ includes an automatic shutdown feature to save power when no valid RS-232 voltage levels are present.
- ESD Protection: Enhanced ESD protection is provided on all pins to protect against electrostatic discharges.
This makes the MAX3245EETX+ suitable for portable, battery-powered equipment and other applications where power conservation and reliable RS-232 communication are critical.
Manufacturer
The MAX3245EETX+ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company that specializes in designing and manufacturing a wide range of analog, mixed-signal, and digital signal processing integrated circuits. The company serves various industries, including automotive, communications, industrial, instrumentation, and healthcare, providing solutions that are essential for a multitude of electronic devices and systems. Analog Devices is known for its innovation in high-performance analog technology and has a significant presence in the semiconductor market.
Application
The MAX3245EETX+ is a high-speed RS-232 transceiver designed for use in various applications requiring serial communication. Key application areas include:
1. Computers and Peripherals: Facilitates communication between computers and peripheral devices such as printers and modems.
2. Industrial Automation: Used in serial communication for industrial equipment and embedded systems.
3. Point-of-Sale Systems: Ensures reliable data transfer in POS terminals.
4. Networking Equipment: Utilized in routers and switches for serial port communications.
5. Medical Devices: Enables data transmission in diagnostic and monitoring equipment.
6. Consumer Electronics: Supports serial connections in devices like PDAs and digital cameras.
The MAX3245EETX+ is particularly valued for its low power consumption and high data rate capabilities.
1. Computers and Peripherals: Facilitates communication between computers and peripheral devices such as printers and modems.
2. Industrial Automation: Used in serial communication for industrial equipment and embedded systems.
3. Point-of-Sale Systems: Ensures reliable data transfer in POS terminals.
4. Networking Equipment: Utilized in routers and switches for serial port communications.
5. Medical Devices: Enables data transmission in diagnostic and monitoring equipment.
6. Consumer Electronics: Supports serial connections in devices like PDAs and digital cameras.
The MAX3245EETX+ is particularly valued for its low power consumption and high data rate capabilities.
Package
The MAX3245EETX+ is typically found in a TQFN (Thin Quad Flat No-lead) package, specifically a 28-pin TQFN. This type of package is known for its small footprint and low-profile characteristics, suitable for space-constrained applications.
