Overview
The MAX232EEWE+T is a 5V-powered, multichannel RS-232 transceiver chip produced by Analog Devices Inc./Maxim Integrated. This device is widely used in various applications requiring serial communication due to its low power consumption, small form factor, and reliable performance. It is designed to interface digital devices with RS-232 compatible equipment, ensuring proper voltage levels and signal conversion.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Analog Devices Inc./Maxim Integrated |
| Product Category | RS-232 and V.28 Transceivers |
| Package | 16-SOIC (0.295", 7.50mm Width) |
| Operating Temperature | -40°C to 85°C |
| Voltage - Supply | 4.5V to 5.5V |
| Number of Drivers/Receivers | 2/2 |
| Data Rate | Up to 120kbps |
| Protocol | RS-232 |
| Duplex | Full |
| Receiver Hysteresis | 500 mV |
| ESD Protection | ±15kV HBM, ±8kV contact-discharges, ±15kV air-gap discharges |
| RoHS Status | ROHS3 Compliant |
Key Features
- Integrated charge pump circuitry for single +5V supply operation
- High ±15kV ESD HBM protection
- Meets EIA/TIA-232E and CCITT V.28 specifications
- Low power consumption
- Small form factor (16-SOIC package)
- Full duplex operation
- Internal pull-ups to VCC on driver inputs
- No external charge-pump capacitors required for some models
Applications
The MAX232EEWE+T is versatile and can be used in various applications:
- Embedded systems: Interfacing microcontrollers or other digital devices with PCs or other RS-232 compatible devices for data logging or monitoring purposes.
- Industrial automation: Connecting industrial devices such as PLCs (Programmable Logic Controllers) or HMIs (Human-Machine Interfaces) to central control systems.
- Communication and networking equipment: Used in routers, modems, or other networking devices to enable serial communication with external devices or to establish connections between different networking components.
Q & A
- What is the MAX232EEWE+T used for?
The MAX232EEWE+T is used for serial communication in various applications, including embedded systems, industrial automation, and communication/networking equipment.
- What is the operating voltage range of the MAX232EEWE+T?
The operating voltage range is 4.5V to 5.5V.
- What is the maximum data rate supported by the MAX232EEWE+T?
The maximum data rate supported is up to 120kbps.
- What type of ESD protection does the MAX232EEWE+T offer?
The MAX232EEWE+T offers ±15kV HBM, ±8kV contact-discharges, and ±15kV air-gap discharges ESD protection.
- What is the package type of the MAX232EEWE+T?
The package type is 16-SOIC (0.295", 7.50mm Width).
- Is the MAX232EEWE+T RoHS compliant?
Yes, the MAX232EEWE+T is ROHS3 compliant.
- What is the operating temperature range of the MAX232EEWE+T?
The operating temperature range is -40°C to 85°C.
- Does the MAX232EEWE+T require external charge-pump capacitors?
No, the MAX232EEWE+T does not require external charge-pump capacitors.
- What are the typical applications of the MAX232EEWE+T in industrial settings?
In industrial settings, the MAX232EEWE+T is typically used to connect industrial devices such as PLCs or HMIs to central control systems.
- Can the MAX232EEWE+T be used in embedded systems?
Yes, the MAX232EEWE+T can be used in embedded systems to interface microcontrollers or other digital devices with PCs or other RS-232 compatible devices.
