Overview
The MAX3232EUE+T is a multichannel RS-232 line driver and receiver integrated circuit produced by Maxim Integrated, now a part of Analog Devices Inc. This device is designed to provide a reliable and efficient interface between asynchronous communication controllers and serial-port connectors. It operates within a voltage range of 3.0V to 5.5V, making it suitable for a variety of battery-powered and low-voltage applications.
Key Specifications
| Parameter | Value | Description |
|---|---|---|
| Supply Voltage | 3 V to 5.5 V | Operating voltage range |
| Number of Drivers/Receivers | 2/2 | Two line drivers and two line receivers |
| Data Rate | Up to 250 kbps (normal mode), up to 1 Mbps (MegaBaud mode) | Maximum data signaling rate |
| ESD Protection | ±15 kV (HBM), ±8 kV (IEC61000-4-2 Contact discharge), ±15 kV (IEC61000-4-2 Air-gap discharge) | Electrostatic discharge protection for RS-232 bus pins |
| Package Type | 16-TSSOP | Surface mount package type |
| Operating Temperature | -40°C to 85°C | Temperature range for operation |
| Receiver Hysteresis | 300 mV | Hysteresis for receiver inputs |
| Driver Output Slew Rate | Up to 30 V/μs | Maximum slew rate for driver outputs |
Key Features
- True RS-232 Performance: Delivers true RS-232 performance from a single 3.0V to 5.5V power supply using an internal dual charge pump.
- High ESD Protection: Provides ±15 kV ESD protection for RS-232 bus pins using the Human Body Model (HBM) and IEC61000-4-2 standards.
- Low Power Consumption: Features low power consumption, making it suitable for battery-powered systems.
- High Data Rates: Supports data signaling rates up to 250 kbps in normal mode and up to 1 Mbps in MegaBaud mode.
- Compact Packaging: Available in space-saving packages such as SOIC, SSOP, TSSOP, and TQFN.
- Shutdown Mode: Includes a shutdown mode that reduces power consumption to as low as 1 μA, allowing monitoring of external devices while minimizing power usage.
Applications
- Battery-Powered Systems: Ideal for use in battery-powered equipment such as PDAs, notebooks, laptops, and hand-held devices.
- Portable Electronics: Suitable for cell phones, smart phones, and cell-phone data cables.
- Computing Devices: Used in notebook, subnotebook, and palmtop computers.
- Peripheral Devices: Applicable in printers, xDSL modems, and other peripheral applications requiring fast data transfer.
Q & A
- What is the operating voltage range of the MAX3232EUE+T?
The MAX3232EUE+T operates within a voltage range of 3.0V to 5.5V.
- How many line drivers and receivers does the MAX3232EUE+T have?
The device includes two line drivers and two line receivers.
- What is the maximum data rate supported by the MAX3232EUE+T?
The device supports data signaling rates up to 250 kbps in normal mode and up to 1 Mbps in MegaBaud mode.
- What level of ESD protection does the MAX3232EUE+T offer?
The device provides ±15 kV ESD protection using the Human Body Model (HBM) and ±8 kV using IEC61000-4-2 Contact discharge, and ±15 kV using IEC61000-4-2 Air-gap discharge.
- In what package types is the MAX3232EUE+T available?
The device is available in packages such as SOIC, SSOP, TSSOP, and TQFN.
- What is the operating temperature range of the MAX3232EUE+T?
The device operates within a temperature range of -40°C to 85°C.
- Does the MAX3232EUE+T have a shutdown mode?
Yes, the device includes a shutdown mode that reduces power consumption to as low as 1 μA, allowing monitoring of external devices while minimizing power usage.
- What is the receiver hysteresis of the MAX3232EUE+T?
The receiver hysteresis is 300 mV.
- Is the MAX3232EUE+T RoHS compliant?
Yes, the device is RoHS compliant.
- What are some common applications of the MAX3232EUE+T?
The device is commonly used in battery-powered systems, portable electronics, computing devices, and peripheral applications requiring fast data transfer.
