仕様
| 属性 | 値 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Driver |
| Protocol | RS422, RS485 |
| NumberofDrivers/Receivers | 2/0 |
| Voltage-Supply | 4.75V ~ 5.25V |
| OperatingTemperature | 0°C ~ 70°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
| Duplex | Half |
| ReceiverHysteresis | 50 mV |
| DataRate | 250kbps |
| Series | Automotive, AEC-Q100 |
概要
Description
The MAX3221EAE+ is a single-channel RS-232 transceiver designed for reliable data communication in devices that require RS-232 serial port compatibility. This IC operates from a single 3V to 5.5V power supply and features integrated charge pumps that eliminate the need for external capacitors, simplifying design and reducing board space. It offers data rates up to 250 kbps, making it suitable for a wide range of applications.
The device incorporates ESD protection exceeding ±15kV using Human Body Model (HBM), ensuring robustness against electrostatic discharges. It also includes an automatic shutdown feature that reduces power consumption by entering a low-power standby mode when the RS-232 cable is disconnected or inactive for a set period.
The MAX3221EAE+ comes in a small TSSOP package, making it ideal for space-constrained applications. Its low power requirements and reliable operation make it suitable for use in handheld devices, laptops, and other portable equipment where RS-232 connectivity is needed.
The device incorporates ESD protection exceeding ±15kV using Human Body Model (HBM), ensuring robustness against electrostatic discharges. It also includes an automatic shutdown feature that reduces power consumption by entering a low-power standby mode when the RS-232 cable is disconnected or inactive for a set period.
The MAX3221EAE+ comes in a small TSSOP package, making it ideal for space-constrained applications. Its low power requirements and reliable operation make it suitable for use in handheld devices, laptops, and other portable equipment where RS-232 connectivity is needed.
Equivalent
The MAX3221EAE+ is a single-channel RS-232 line driver/receiver. Equivalent products include:
1. Texas Instruments SN75C3221E
2. Texas Instruments MAX3221E
3. Analog Devices ADM3221E
4. NXP Semiconductors PCA82C250
These alternatives offer similar functionality for RS-232 communication in terms of voltage levels and data rate, but always verify the specifications and pin configurations to ensure compatibility with your application.
1. Texas Instruments SN75C3221E
2. Texas Instruments MAX3221E
3. Analog Devices ADM3221E
4. NXP Semiconductors PCA82C250
These alternatives offer similar functionality for RS-232 communication in terms of voltage levels and data rate, but always verify the specifications and pin configurations to ensure compatibility with your application.
Features
The MAX3221EAE+ is a single-channel RS-232 transceiver designed for reliable communication in serial applications. Key features include:
1. Low Power Consumption: It operates with a low supply current, which makes it suitable for battery-powered devices.
2. AutoShutdown Plus: This feature automatically reduces the power consumption to nearly zero when the device is not in use.
3. Wide Supply Voltage Range: It operates from a 3.0V to 5.5V supply, providing flexibility in different system applications.
4. ESD Protection: The device offers enhanced Electrostatic Discharge (ESD) protection on all pins.
5. High Data Rate: It supports data rates up to 250 kbps, ensuring fast data communication.
6. Integrated Charge Pump: The integrated charge pump eliminates the need for external capacitors, simplifying design and reducing overall component count.
7. Tiny Package: The device is available in a compact TSSOP package, making it ideal for space-constrained applications.
These features make the MAX3221EAE+ a versatile and efficient solution for RS-232 communication needs.
1. Low Power Consumption: It operates with a low supply current, which makes it suitable for battery-powered devices.
2. AutoShutdown Plus: This feature automatically reduces the power consumption to nearly zero when the device is not in use.
3. Wide Supply Voltage Range: It operates from a 3.0V to 5.5V supply, providing flexibility in different system applications.
4. ESD Protection: The device offers enhanced Electrostatic Discharge (ESD) protection on all pins.
5. High Data Rate: It supports data rates up to 250 kbps, ensuring fast data communication.
6. Integrated Charge Pump: The integrated charge pump eliminates the need for external capacitors, simplifying design and reducing overall component count.
7. Tiny Package: The device is available in a compact TSSOP package, making it ideal for space-constrained applications.
These features make the MAX3221EAE+ a versatile and efficient solution for RS-232 communication needs.
Pinout
The MAX3221EAE+ is a single-channel RS-232 line driver/receiver from Maxim Integrated. It is designed for applications requiring RS-232 communication. The device comes in a 16-pin TSSOP package.
Pin Count:
- 16 pins
Key Functions:
- Transmitter (Driver): Converts TTL/CMOS logic levels to RS-232 levels.
- Receiver: Converts RS-232 levels to TTL/CMOS logic levels.
- Charge Pump: Integrates a charge pump circuit to generate the necessary RS-232 voltage levels from a single 3V to 5.5V power supply, eliminating the need for dual power supplies.
Features:
- Low power consumption with an automatic power-down feature.
- High data rate capability up to 250 kbps.
- ESD protection exceeding ±15kV (Human Body Model).
- Suitable for battery-powered applications with a low-power standby mode.
This makes the MAX3221EAE+ ideal for use in computers, PDAs, and other portable devices requiring RS-232 communication.
Pin Count:
- 16 pins
Key Functions:
- Transmitter (Driver): Converts TTL/CMOS logic levels to RS-232 levels.
- Receiver: Converts RS-232 levels to TTL/CMOS logic levels.
- Charge Pump: Integrates a charge pump circuit to generate the necessary RS-232 voltage levels from a single 3V to 5.5V power supply, eliminating the need for dual power supplies.
Features:
- Low power consumption with an automatic power-down feature.
- High data rate capability up to 250 kbps.
- ESD protection exceeding ±15kV (Human Body Model).
- Suitable for battery-powered applications with a low-power standby mode.
This makes the MAX3221EAE+ ideal for use in computers, PDAs, and other portable devices requiring RS-232 communication.
Manufacturer
The MAX3221EAE+ is manufactured by Maxim Integrated, which is now a part of Analog Devices, Inc. Maxim Integrated is known for designing and manufacturing analog and mixed-signal integrated circuits. The company provides a wide range of products including power management ICs, sensors, amplifiers, and interface products, such as the MAX3221EAE+, which is a transceiver used in communication applications. Analog Devices, the parent company, is a leading global high-performance semiconductor company specializing in analog, mixed-signal, and digital signal processing (DSP) integrated circuits across various industries such as automotive, industrial, communications, healthcare, and consumer electronics.
Application
The MAX3221EAE+ is a single-channel RS-232 transceiver commonly used in applications requiring serial communication. Its primary application areas include:
1. Portable Devices: Utilized in mobile phones and PDAs for reliable serial communication.
2. Industrial Automation: Employed in control systems and communication between industrial equipment.
3. Consumer Electronics: Used in devices like cameras and handheld gaming for interfacing.
4. Networking Equipment: Facilitates communication in routers and switches.
5. Embedded Systems: Integrated into microcontroller-based projects requiring RS-232 communication.
Its low power consumption and ESD protection make it suitable for battery-powered and sensitive applications.
1. Portable Devices: Utilized in mobile phones and PDAs for reliable serial communication.
2. Industrial Automation: Employed in control systems and communication between industrial equipment.
3. Consumer Electronics: Used in devices like cameras and handheld gaming for interfacing.
4. Networking Equipment: Facilitates communication in routers and switches.
5. Embedded Systems: Integrated into microcontroller-based projects requiring RS-232 communication.
Its low power consumption and ESD protection make it suitable for battery-powered and sensitive applications.
Package
The MAX3221EAE+ is available in a 16-pin TSSOP (Thin Shrink Small Outline Package) package type.
