Overview
The MAX3232EUE+ is a low-power, true RS-232 transceiver produced by Analog Devices Inc./Maxim Integrated. This device is designed to operate from a 3.0V to 5.5V power supply and features a proprietary low-dropout transmitter output stage, enabling true RS-232 performance with minimal external components. The MAX3232EUE+ is particularly suited for applications requiring high data-rate capabilities and enhanced electrostatic-discharge (ESD) protection.
Key Specifications
| Parameter | Min | Typ | Max | Units |
|---|---|---|---|---|
| Supply Voltage (VCC) | 3.0 | - | 5.5 | V |
| Supply Current (No Load) | 0.3 | - | 1.0 | mA |
| Shutdown Supply Current | 1.0 | - | 10 | µA |
| Maximum Data Rate | 120 | - | 235 | kbps |
| Receiver Propagation Delay | 0.3 | - | - | µs |
| ESD Protection (Human Body Model) | ±15 | - | - | kV |
| Output Voltage Swing | ±5 | - | ±5.4 | V |
| Output Resistance | 300 | - | 50k | Ω |
Key Features
- Proprietary low-dropout transmitter output stage for true RS-232 performance from a 3.0V to 5.5V power supply.
- Requires only four small 0.1µF external charge-pump capacitors.
- Guaranteed operation at data rates of 120kbps (up to 235kbps typical) and 1Mbps in MegaBaud mode for MAX3237.
- Enhanced ESD protection: ±15kV using the Human Body Model, ±8kV using IEC 1000-4-2 Contact Discharge.
- Low power consumption with a shutdown mode that reduces power to 1µA.
- Pin, package, and functionally compatible with industry-standard MAX242 and MAX232.
- Available in space-saving TSSOP and SSOP packages.
Applications
- Battery-powered equipment.
- Cell phones and smartphones.
- Cell-phone data cables.
- Notebook, subnotebook, and palmtop computers.
- Printers.
- xDSL modems.
Q & A
- What is the operating voltage range of the MAX3232EUE+?
The MAX3232EUE+ operates from a 3.0V to 5.5V power supply.
- What is the maximum data rate supported by the MAX3232EUE+?
The device is guaranteed to operate at data rates of 120kbps and can typically operate up to 235kbps.
- How many receivers and transmitters does the MAX3232EUE+ have?
The MAX3232EUE+ has 2 receivers and 2 transmitters.
- What kind of ESD protection does the MAX3232EUE+ offer?
The device offers enhanced ESD protection up to ±15kV using the Human Body Model and ±8kV using IEC 1000-4-2 Contact Discharge.
- What is the shutdown current of the MAX3232EUE+?
In shutdown mode, the device consumes only 1µA of supply current.
- Is the MAX3232EUE+ compatible with other industry-standard devices?
Yes, it is pin, package, and functionally compatible with the industry-standard MAX242 and MAX232.
- What are the typical applications of the MAX3232EUE+?
It is used in battery-powered equipment, cell phones, cell-phone data cables, notebooks, printers, and xDSL modems.
- What is the MegaBaud mode and how does it affect data rates?
MegaBaud mode allows the device to operate at data rates up to 1Mbps, but this is specific to the MAX3237 model.
- What kind of packages are available for the MAX3232EUE+?
The device is available in space-saving TSSOP and SSOP packages.
- What is the operating temperature range of the MAX3232EUE+?
The operating temperature range is either -40°C to +85°C or 0°C to 70°C.
