Specifications
| Attribute | Value |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Type | Transceiver |
| Protocol | RS232 |
| NumberofDrivers/Receivers | 1/1 |
| Duplex | Full |
| ReceiverHysteresis | 500 mV |
| DataRate | 250kbps |
| Voltage-Supply | 3V ~ 5.5V |
| OperatingTemperature | 0°C ~ 70°C |
| MountingType | Surface Mount |
| Package/Case | 16-TSSOP (0.173, 4.40mm Width) |
Overview
Description
The MAX3221ECPWR is a single-channel RS-232 line driver/receiver chip designed by Texas Instruments. It is part of the MAX3221 series, which provides the necessary interface for RS-232 communication in a variety of electronic applications. The device operates from a single 3V to 5.5V power supply, making it suitable for battery-powered and portable devices.
Key features include a low-power shutdown mode that reduces supply current to virtually zero, an automatic wake-up function, and an on-chip charge pump that eliminates the need for external capacitors. The MAX3221ECPWR is capable of data rates up to 250 kbps and is compliant with the EIA/TIA-232-F standard.
It also features a low-dropout transmitter output that maintains valid RS-232 levels, even at low supply voltages. The chip is packaged in a space-saving TSSOP (thin-shrink small-outline package), facilitating compact designs. Overall, the MAX3221ECPWR is ideal for applications requiring reliable RS-232 communication with minimal power consumption and size constraints.
Key features include a low-power shutdown mode that reduces supply current to virtually zero, an automatic wake-up function, and an on-chip charge pump that eliminates the need for external capacitors. The MAX3221ECPWR is capable of data rates up to 250 kbps and is compliant with the EIA/TIA-232-F standard.
It also features a low-dropout transmitter output that maintains valid RS-232 levels, even at low supply voltages. The chip is packaged in a space-saving TSSOP (thin-shrink small-outline package), facilitating compact designs. Overall, the MAX3221ECPWR is ideal for applications requiring reliable RS-232 communication with minimal power consumption and size constraints.
Equivalent
The MAX3221ECPWR is a single-channel RS-232 line driver/receiver. Equivalent products include:
1. SP3221E by MaxLinear (formerly Sipex): Single-channel RS-232 transceiver.
2. ADM3221E by Analog Devices: Similar functionality in RS-232 transceiver.
3. ST3232E by STMicroelectronics: Offers similar RS-232 transceiver capabilities.
4. SN75C3221E by Texas Instruments: Direct equivalent for single-channel RS-232 communication.
Make sure to compare specific features and pin configurations for compatibility.
1. SP3221E by MaxLinear (formerly Sipex): Single-channel RS-232 transceiver.
2. ADM3221E by Analog Devices: Similar functionality in RS-232 transceiver.
3. ST3232E by STMicroelectronics: Offers similar RS-232 transceiver capabilities.
4. SN75C3221E by Texas Instruments: Direct equivalent for single-channel RS-232 communication.
Make sure to compare specific features and pin configurations for compatibility.
Features
The MAX3221ECPWR is a single-channel RS-232 transceiver that offers robust communication capabilities in compact devices. Key features include:
1. Performance: It operates on a single 3V to 5.5V supply voltage and ensures data rates up to 250kbps, making it suitable for high-speed data transfer.
2. Low Power Consumption: The device features a low-power shutdown mode, reducing supply current to less than 1µA, which is ideal for portable and battery-powered applications.
3. AutoShutdown Plus: This innovative feature automatically enters low-power mode when the device does not detect a valid signal, optimizing power efficiency.
4. ESD Protection: It provides robust ±15kV electrostatic discharge protection on both the RS-232 input and output pins, enhancing device reliability and longevity.
5. Small Footprint: Offered in a space-efficient TSSOP package, the MAX3221ECPWR is well-suited for space-constrained applications.
6. Ease of Integration: It includes an integrated charge pump that eliminates the need for external capacitors, simplifying design requirements.
These features make the MAX3221ECPWR an excellent choice for embedded systems requiring reliable and efficient RS-232 communication.
1. Performance: It operates on a single 3V to 5.5V supply voltage and ensures data rates up to 250kbps, making it suitable for high-speed data transfer.
2. Low Power Consumption: The device features a low-power shutdown mode, reducing supply current to less than 1µA, which is ideal for portable and battery-powered applications.
3. AutoShutdown Plus: This innovative feature automatically enters low-power mode when the device does not detect a valid signal, optimizing power efficiency.
4. ESD Protection: It provides robust ±15kV electrostatic discharge protection on both the RS-232 input and output pins, enhancing device reliability and longevity.
5. Small Footprint: Offered in a space-efficient TSSOP package, the MAX3221ECPWR is well-suited for space-constrained applications.
6. Ease of Integration: It includes an integrated charge pump that eliminates the need for external capacitors, simplifying design requirements.
These features make the MAX3221ECPWR an excellent choice for embedded systems requiring reliable and efficient RS-232 communication.
Pinout
The MAX3221ECPWR is a single driver, single receiver RS-232 transceiver designed by Texas Instruments. It is typically used in serial communication applications to convert between TTL/CMOS logic levels and RS-232 signals.
This device is housed in a 16-pin TSSOP (Thin Shrink Small Outline Package). The pin count is 16, and the functions of the pins are as follows:
1. VCC - Power supply input.
2. GND - Ground.
3. C1+ - Positive terminal for the voltage doubler charge pump capacitor.
4. V+ - Positive voltage generated by the charge pump.
5. C1- - Negative terminal for the voltage doubler charge pump capacitor.
6. C2+ - Positive terminal for the inverting charge pump capacitor.
7. C2- - Negative terminal for the inverting charge pump capacitor.
8. V- - Negative voltage generated by the charge pump.
9. RIN - Receiver input.
10. ROUT - Receiver output.
11. DOUT - Driver output.
12. DIN - Driver input.
13. EN - Enable control for the driver and receiver.
14. FORCEOFF - Forces the device into shutdown mode.
15. INVALID - Output indicating the validity of the RS-232 signals.
16. FORCEON - Forces the device out of shutdown mode.
These features ensure reliable serial communication while minimizing power consumption.
This device is housed in a 16-pin TSSOP (Thin Shrink Small Outline Package). The pin count is 16, and the functions of the pins are as follows:
1. VCC - Power supply input.
2. GND - Ground.
3. C1+ - Positive terminal for the voltage doubler charge pump capacitor.
4. V+ - Positive voltage generated by the charge pump.
5. C1- - Negative terminal for the voltage doubler charge pump capacitor.
6. C2+ - Positive terminal for the inverting charge pump capacitor.
7. C2- - Negative terminal for the inverting charge pump capacitor.
8. V- - Negative voltage generated by the charge pump.
9. RIN - Receiver input.
10. ROUT - Receiver output.
11. DOUT - Driver output.
12. DIN - Driver input.
13. EN - Enable control for the driver and receiver.
14. FORCEOFF - Forces the device into shutdown mode.
15. INVALID - Output indicating the validity of the RS-232 signals.
16. FORCEON - Forces the device out of shutdown mode.
These features ensure reliable serial communication while minimizing power consumption.
Manufacturer
The MAX3221ECPWR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of electronic components and integrated circuits. TI is known for its innovation in analog and embedded processing, and its products are used in various applications across industries such as automotive, industrial, consumer electronics, and communications. The company is headquartered in Dallas, Texas, and is one of the largest semiconductor manufacturers in the world, with a long history of contributing to technological advancements and providing solutions that improve the efficiency and performance of electronic systems.
Application
The MAX3221ECPWR is a single-channel RS-232 line driver/receiver with a 3V to 5.5V operating range, often used in applications requiring serial communication. Typical application areas include:
1. Embedded Systems: Facilitates communication between microcontrollers and RS-232 devices.
2. Portable Devices: Used in battery-powered equipment due to its low power consumption.
3. Industrial Automation: Connects sensors and actuators with control systems via serial interfaces.
4. Networking Equipment: Provides serial communication ports for routers and switches.
5. Medical Devices: Enables data transfer between medical instruments and computers.
6. Consumer Electronics: Supports serial communication in devices like modems and gaming consoles.
Its wide operating voltage range and ESD protection make it suitable for various interface applications.
1. Embedded Systems: Facilitates communication between microcontrollers and RS-232 devices.
2. Portable Devices: Used in battery-powered equipment due to its low power consumption.
3. Industrial Automation: Connects sensors and actuators with control systems via serial interfaces.
4. Networking Equipment: Provides serial communication ports for routers and switches.
5. Medical Devices: Enables data transfer between medical instruments and computers.
6. Consumer Electronics: Supports serial communication in devices like modems and gaming consoles.
Its wide operating voltage range and ESD protection make it suitable for various interface applications.
Package
The MAX3221ECPWR is a single-channel RS-232 line driver/receiver. It is packaged in a TSSOP (Thin Shrink Small Outline Package) with 16 pins, and the "PWR" suffix indicates a tape and reel packaging for automated assembly processes.
