Overview
The MAX232ECWE+T is a ±15kV ESD-protected, +5V RS232 transceiver manufactured by Analog Devices Inc./Maxim Integrated. This device is designed to meet all EIA/TIA-232E and CCITT V.28 specifications, making it suitable for a variety of applications requiring reliable RS232 communication. The MAX232ECWE+T features integrated charge pump circuitry, allowing it to operate from a single 5V supply, and is packaged in a 16-pin WSOIC package. It is particularly useful in battery-powered equipment and other applications where space and power efficiency are crucial.
Key Specifications
| Parameter | Value |
|---|---|
| Type | Transceiver |
| Protocol | RS232, V.28 |
| Number of Drivers/Receivers | 2/2 |
| Duplex | Full |
| Receiver Hysteresis | 500 mV |
| Data Rate | Up to 120 Kbps |
| Supply Voltage | 4.5 V to 5.5 V |
| Operating Temperature | 0°C to 70°C |
| Package/Case | 16-SOIC (0.295", 7.50mm Width) |
| Mounting Type | Surface Mount |
| ESD Protection | ±15 kV (HBM), ±8 kV (Contact), ±15 kV (Air Gap) |
| Supply Current | 5 mA |
Key Features
- ±15kV ESD protection (Human Body Model) for enhanced reliability in harsh environments.
- Integrated charge pump circuitry for single 5V supply operation, eliminating the need for external voltage sources.
- Meets all EIA/TIA-232E and CCITT V.28 specifications at data rates up to 120 Kbps.
- Two drivers and two receivers, supporting full-duplex communication.
- Low supply current of 5 mA, making it suitable for battery-powered devices.
- Compact 16-pin WSOIC package, saving board space.
- Operating temperature range from 0°C to 70°C.
Applications
- Communications & Networking: Ideal for serial communication interfaces in network devices.
- Portable Devices: Suitable for use in handheld and mobile devices due to its low power consumption and compact size.
- Medical Devices: Used in medical equipment where reliable and protected serial communication is essential.
Q & A
- What is the MAX232ECWE+T used for?
The MAX232ECWE+T is used as an RS232 transceiver, providing reliable serial communication in various applications.
- What are the key specifications of the MAX232ECWE+T?
Key specifications include a data rate of up to 120 Kbps, supply voltage range of 4.5V to 5.5V, and operating temperature range of 0°C to 70°C.
- What type of ESD protection does the MAX232ECWE+T offer?
The MAX232ECWE+T offers ±15kV ESD protection according to the Human Body Model (HBM), ±8kV contact-discharge, and ±15kV air-gap discharge protection.
- What is the package type of the MAX232ECWE+T?
The MAX232ECWE+T is packaged in a 16-pin WSOIC package.
- Is the MAX232ECWE+T suitable for battery-powered devices?
Yes, it is suitable due to its low supply current of 5 mA and single 5V supply operation.
- What are the typical applications of the MAX232ECWE+T?
Typical applications include communications and networking, portable devices, and medical equipment.
- Does the MAX232ECWE+T require external charge pump capacitors?
Yes, it requires four 1µF external capacitors for the charge pump circuitry.
- What is the receiver hysteresis of the MAX232ECWE+T?
The receiver hysteresis is 500 mV.
- Is the MAX232ECWE+T RoHS compliant?
Yes, the MAX232ECWE+T is RoHS compliant.
- What is the maximum data rate supported by the MAX232ECWE+T?
The maximum data rate supported is up to 120 Kbps.
