Specifications
| Attribute | Value |
| Package / Case | Tube |
| Part Status | Obsolete |
| Type | Transceiver |
| Protocol | RS232 |
| Number of Drivers/Receivers | 1/1 |
| Duplex | Full |
| Receiver Hysteresis | 300 mV |
| Data Rate | 235Kbps |
| Voltage - Supply | 3V ~ 5.5V |
| Operating Temperature | 0°C ~ 70°C |
| Mounting Type | Surface Mount |
Overview
Description
The MAX3221CAE is an integrated circuit designed for RS-232 communication, commonly used in serial data communication applications. It is part of Maxim Integrated's MAX3221 series, which offers single-driver/receiver solutions with low-power requirements. Key features of the MAX3221CAE include:
1. Single Transmitter and Receiver: Facilitates full-duplex communication, making it suitable for point-to-point communication setups.
2. Low Power Consumption: Operates with a shutdown mode that reduces power consumption to less than 1µA, making it ideal for battery-powered applications.
3. Automatic Shutdown and Wake-Up: Features an auto-power-down function that deactivates the device when not in use and automatically wakes it up upon detecting a valid signal.
4. Enhanced ESD Protection: Provides electrostatic discharge protection exceeding ±15kV, ensuring robust operation in harsh environments.
5. Compliance and Compatibility: Meets RS-232 standards, making it compatible with various RS-232 devices and systems.
6. Compact Package: Available in a space-saving SOIC package, which is beneficial for designs with limited board space.
Overall, the MAX3221CAE is a versatile and efficient solution for RS-232 communication in various electronic applications.
1. Single Transmitter and Receiver: Facilitates full-duplex communication, making it suitable for point-to-point communication setups.
2. Low Power Consumption: Operates with a shutdown mode that reduces power consumption to less than 1µA, making it ideal for battery-powered applications.
3. Automatic Shutdown and Wake-Up: Features an auto-power-down function that deactivates the device when not in use and automatically wakes it up upon detecting a valid signal.
4. Enhanced ESD Protection: Provides electrostatic discharge protection exceeding ±15kV, ensuring robust operation in harsh environments.
5. Compliance and Compatibility: Meets RS-232 standards, making it compatible with various RS-232 devices and systems.
6. Compact Package: Available in a space-saving SOIC package, which is beneficial for designs with limited board space.
Overall, the MAX3221CAE is a versatile and efficient solution for RS-232 communication in various electronic applications.
Equivalent
The MAX3221CAE is a RS-232 transceiver. Equivalent products include:
1. Texas Instruments TRS3221E
2. STMicroelectronics ST3232
3. Analog Devices ADM3232
4. Exar SP3232E
5. Intersil ISL3232E
These alternatives offer similar functionality, typically featuring low power, single-channel operation, and compatibility with RS-232 protocols. When choosing a replacement, ensure to match voltage levels, data rates, and package types to fit your application requirements.
1. Texas Instruments TRS3221E
2. STMicroelectronics ST3232
3. Analog Devices ADM3232
4. Exar SP3232E
5. Intersil ISL3232E
These alternatives offer similar functionality, typically featuring low power, single-channel operation, and compatibility with RS-232 protocols. When choosing a replacement, ensure to match voltage levels, data rates, and package types to fit your application requirements.
Features
The MAX3221CAE is a single-channel RS-232 transceiver designed for low-power and high-efficiency applications. Key features include:
1. Low Power Consumption: Operates from a single 3V to 5.5V power supply with a low supply current, making it suitable for battery-powered devices.
2. Auto Shutdown: Incorporates an automatic shutdown feature that reduces power consumption by turning off the transceiver when not in use.
3. ESD Protection: Provides enhanced electrostatic discharge protection up to ±15kV on RS-232 pins, ensuring reliability in harsh environments.
4. Compact Package: Available in a small, space-saving SSOP package, ideal for compact designs.
5. High Data Rates: Supports data rates up to 250 kbps, enabling fast data communication.
6. Integrated Capacitors: Features on-chip capacitors, eliminating the need for external capacitors and further reducing board space.
7. Compliance: Conforms to the EIA/TIA-232-F standards, ensuring compatibility with RS-232 interfaces.
These features make the MAX3221CAE suitable for applications requiring reliable communication, low power consumption, and compact design, such as portable devices and embedded systems.
1. Low Power Consumption: Operates from a single 3V to 5.5V power supply with a low supply current, making it suitable for battery-powered devices.
2. Auto Shutdown: Incorporates an automatic shutdown feature that reduces power consumption by turning off the transceiver when not in use.
3. ESD Protection: Provides enhanced electrostatic discharge protection up to ±15kV on RS-232 pins, ensuring reliability in harsh environments.
4. Compact Package: Available in a small, space-saving SSOP package, ideal for compact designs.
5. High Data Rates: Supports data rates up to 250 kbps, enabling fast data communication.
6. Integrated Capacitors: Features on-chip capacitors, eliminating the need for external capacitors and further reducing board space.
7. Compliance: Conforms to the EIA/TIA-232-F standards, ensuring compatibility with RS-232 interfaces.
These features make the MAX3221CAE suitable for applications requiring reliable communication, low power consumption, and compact design, such as portable devices and embedded systems.
Pinout
The MAX3221CAE is a single-channel RS-232 transceiver from Maxim Integrated, featuring a 16-pin configuration. It is designed to provide RS-232 communication in devices with a low supply voltage (3.0V to 5.5V). The pin count is 16, and the functions of the pins are as follows:
1. VCC: Power supply input.
2. GND: Ground.
3. T_OUT: Transmitter output.
4. R_IN: Receiver input.
5. C1+: Positive terminal for the external charge pump capacitor.
6. C1-: Negative terminal for the external charge pump capacitor.
7. C2+: Positive terminal for the second external charge pump capacitor.
8. C2-: Negative terminal for the second external charge pump capacitor.
9. V+: Positive voltage generated by the charge pump.
10. V-: Negative voltage generated by the charge pump.
11. INVALID: Indicates invalid receiver input.
12. SHDN: Shutdown input.
13. R_OUT: Receiver output.
14. T_IN: Transmitter input.
15. EN: Output enable.
16. FORCEOFF: Forces the device into shutdown mode.
This device ensures compatibility between low-voltage logic and RS-232 communication standards, suitable for portable and battery-powered applications.
1. VCC: Power supply input.
2. GND: Ground.
3. T_OUT: Transmitter output.
4. R_IN: Receiver input.
5. C1+: Positive terminal for the external charge pump capacitor.
6. C1-: Negative terminal for the external charge pump capacitor.
7. C2+: Positive terminal for the second external charge pump capacitor.
8. C2-: Negative terminal for the second external charge pump capacitor.
9. V+: Positive voltage generated by the charge pump.
10. V-: Negative voltage generated by the charge pump.
11. INVALID: Indicates invalid receiver input.
12. SHDN: Shutdown input.
13. R_OUT: Receiver output.
14. T_IN: Transmitter input.
15. EN: Output enable.
16. FORCEOFF: Forces the device into shutdown mode.
This device ensures compatibility between low-voltage logic and RS-232 communication standards, suitable for portable and battery-powered applications.
Manufacturer
The MAX3221CAE is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated is known for designing and manufacturing analog and mixed-signal integrated circuits. The company specializes in providing solutions for power management, interface, and communication applications across various industries, including consumer electronics, automotive, and industrial sectors. Analog Devices, Inc., which acquired Maxim Integrated in 2021, is a leading global semiconductor company that focuses on the design, manufacturing, and marketing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. They provide solutions for a wide range of applications, emphasizing innovation and advanced technology in their semiconductor products.
Application
The MAX3221CAE is a single-channel RS-232 line driver/receiver designed for serial communication applications. Its primary application areas include:
1. Data Communication: Facilitates data transmission between computers and peripheral devices in RS-232 serial ports.
2. Industrial Automation: Used in PLCs and other control systems for reliable serial communication.
3. Consumer Electronics: Incorporates in devices like modems, projectors, and handheld devices for serial interfacing.
4. Instrumentation: Utilized in medical equipment and laboratory instruments for data exchange.
5. Networking Equipment: Supports routers and switches for console management interfaces.
6. Embedded Systems: Provides serial port communication for microcontroller-based applications.
Its compact design and low power consumption make it ideal for portable and battery-powered applications.
1. Data Communication: Facilitates data transmission between computers and peripheral devices in RS-232 serial ports.
2. Industrial Automation: Used in PLCs and other control systems for reliable serial communication.
3. Consumer Electronics: Incorporates in devices like modems, projectors, and handheld devices for serial interfacing.
4. Instrumentation: Utilized in medical equipment and laboratory instruments for data exchange.
5. Networking Equipment: Supports routers and switches for console management interfaces.
6. Embedded Systems: Provides serial port communication for microcontroller-based applications.
Its compact design and low power consumption make it ideal for portable and battery-powered applications.
Package
The MAX3221CAE is housed in a 16-pin SOIC (Small Outline Integrated Circuit) package.
