Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tube,Tube |
| ProductStatus | Obsolete |
| Type | Transceiver |
| Protocol | RS232 |
| NumberofDrivers/Receivers | 1/1 |
| Duplex | Full |
| ReceiverHysteresis | 500 mV |
| DataRate | 460Kbps |
| Voltage-Supply | 4.5V ~ 5.5V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 10-TFSOP, 10-MSOP (0.118, 3.00mm Width) |
Tổng quan
Description
The MAX3311EEUB is a low-power, RS-232 transceiver designed by Maxim Integrated for serial communication. It is suitable for applications requiring reliable data transmission between a microcontroller and RS-232-compatible devices. The device operates from a single 2.7V to 3.6V power supply, making it compatible with modern low-voltage systems.
Key features include a minimum data rate of 250 kbps, making it suitable for high-speed data exchange. It has an integrated charge pump that eliminates the need for external capacitors, simplifying design and reducing component count. The transceiver includes two receivers and one driver, allowing for full-duplex communication.
Its low-power operation is further enhanced by a shutdown mode that reduces power consumption to less than 1µA, ideal for battery-powered applications. The MAX3311EEUB is protected against ESD (Electrostatic Discharge) up to ±15kV, ensuring robust performance in various environments. The device is available in a small 10-pin µMAX package, offering a compact solution for space-constrained applications.
Key features include a minimum data rate of 250 kbps, making it suitable for high-speed data exchange. It has an integrated charge pump that eliminates the need for external capacitors, simplifying design and reducing component count. The transceiver includes two receivers and one driver, allowing for full-duplex communication.
Its low-power operation is further enhanced by a shutdown mode that reduces power consumption to less than 1µA, ideal for battery-powered applications. The MAX3311EEUB is protected against ESD (Electrostatic Discharge) up to ±15kV, ensuring robust performance in various environments. The device is available in a small 10-pin µMAX package, offering a compact solution for space-constrained applications.
Equivalent
The MAX3311EEUB is a RS-232 transceiver. Equivalent products may include the SP3222 from MaxLinear/Exar, ST3232 from STMicroelectronics, ADM3202 from Analog Devices, and the SN75C3222 from Texas Instruments. Ensure to compare specific parameters like voltage range, data rate, and package type to confirm compatibility for your application.
Features
The MAX3311EEUB is a low-power RS-232 transceiver specifically designed for portable applications. Key features include operation from a single 3.0V to 5.5V supply and an automatic shutdown mode that reduces power consumption to less than 1µA, making it ideal for battery-powered devices. It supports data rates up to 250 kbps, ensuring reliable communication in various applications.
The device integrates two drivers and two receivers, compliant with the EIA/TIA-232E and V.28/V.24 communication standards. It features ESD protection up to ±15kV on the RS-232 inputs and outputs, enhancing its robustness against electrostatic discharges. The MAX3311EEUB is housed in a 10-pin µMAX package, offering a compact footprint suitable for space-constrained designs.
Additionally, the device includes a logic-level output that signals the presence of a valid RS-232 signal, aiding in efficient power management. This combination of features makes the MAX3311EEUB an excellent choice for compact, low-power RS-232 communication solutions.
The device integrates two drivers and two receivers, compliant with the EIA/TIA-232E and V.28/V.24 communication standards. It features ESD protection up to ±15kV on the RS-232 inputs and outputs, enhancing its robustness against electrostatic discharges. The MAX3311EEUB is housed in a 10-pin µMAX package, offering a compact footprint suitable for space-constrained designs.
Additionally, the device includes a logic-level output that signals the presence of a valid RS-232 signal, aiding in efficient power management. This combination of features makes the MAX3311EEUB an excellent choice for compact, low-power RS-232 communication solutions.
Pinout
The MAX3311EEUB is a low-power, RS-232 transceiver with a charge pump, designed for a 3V to 5.5V supply voltage range. It is a 10-pin device, typically housed in a μMAX (MicroMAX) package. The pin functions are as follows:
1. VCC: Power supply pin.
2. GND: Ground connection.
3. C1+: Positive terminal for the positive charge pump capacitor.
4. C1-: Negative terminal for the positive charge pump capacitor.
5. C2+: Positive terminal for the negative charge pump capacitor.
6. C2-: Negative terminal for the negative charge pump capacitor.
7. T_OUT: Transmitter output pin for RS-232 level signals.
8. R_IN: Receiver input pin for RS-232 level signals.
9. R_OUT: Receiver output pin for TTL/CMOS level signals.
10. T_IN: Transmitter input pin for TTL/CMOS level signals.
The MAX3311EEUB is used to facilitate communication between TTL/CMOS logic circuits and RS-232 ports, commonly found in serial communication interfaces. It includes internal charge pumps, eliminating the need for dual power supplies.
1. VCC: Power supply pin.
2. GND: Ground connection.
3. C1+: Positive terminal for the positive charge pump capacitor.
4. C1-: Negative terminal for the positive charge pump capacitor.
5. C2+: Positive terminal for the negative charge pump capacitor.
6. C2-: Negative terminal for the negative charge pump capacitor.
7. T_OUT: Transmitter output pin for RS-232 level signals.
8. R_IN: Receiver input pin for RS-232 level signals.
9. R_OUT: Receiver output pin for TTL/CMOS level signals.
10. T_IN: Transmitter input pin for TTL/CMOS level signals.
The MAX3311EEUB is used to facilitate communication between TTL/CMOS logic circuits and RS-232 ports, commonly found in serial communication interfaces. It includes internal charge pumps, eliminating the need for dual power supplies.
Manufacturer
The MAX3311EEUB is manufactured by Maxim Integrated, which is now part of Analog Devices, Inc. Maxim Integrated is known for designing and manufacturing a wide range of analog and mixed-signal integrated circuits. The company primarily focuses on developing innovative technologies for applications in the consumer, communications, industrial, and automotive markets. As a subsidiary of Analog Devices, Maxim Integrated contributes to a broader portfolio of high-performance analog, mixed-signal, and digital signal processing solutions.
Application
The MAX3311EEUB is a transceiver designed for RS-232 communication in compact and power-sensitive applications. Its primary application areas include:
1. Portable Devices: Ideal for PDAs, smartphones, and tablets due to its low power consumption.
2. Industrial Automation: Used in systems requiring robust serial communication.
3. Embedded Systems: Facilitates serial connections in microcontroller-based designs.
4. Consumer Electronics: Provides reliable serial interfaces for devices like digital cameras.
5. Networking Equipment: Supports communication protocols in routers and modems.
6. Medical Devices: Ensures secure data transfer in portable medical equipment.
7. Telecommunications: Used in devices that require RS-232 communication interfaces.
Its compact size and low power requirements make it versatile for numerous applications.
1. Portable Devices: Ideal for PDAs, smartphones, and tablets due to its low power consumption.
2. Industrial Automation: Used in systems requiring robust serial communication.
3. Embedded Systems: Facilitates serial connections in microcontroller-based designs.
4. Consumer Electronics: Provides reliable serial interfaces for devices like digital cameras.
5. Networking Equipment: Supports communication protocols in routers and modems.
6. Medical Devices: Ensures secure data transfer in portable medical equipment.
7. Telecommunications: Used in devices that require RS-232 communication interfaces.
Its compact size and low power requirements make it versatile for numerous applications.
Package
The MAX3311EEUB is a transceiver IC designed for RS-232 communication. It comes in a 10-pin µMAX package, which is a compact surface-mount package ideal for space-constrained applications.
