Overview
The MAX3232CSE+ is a highly integrated RS-232 transceiver IC produced by Analog Devices Inc./Maxim Integrated. 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 wide range of battery-powered and low-voltage systems. The MAX3232CSE+ features a dual charge-pump circuit that generates the necessary voltage levels for RS-232 communication using only four small external capacitors.
Key Specifications
| Parameter | Value | Units |
|---|---|---|
| Supply Voltage | 3.0V to 5.5V | V |
| Number of Drivers/Receivers | 2/2 | |
| Duplex | Full Duplex | |
| Data Rate | Up to 235 kbps (normal), 1 Mbps (MegaBaud mode) | kbps/Mbps |
| ESD Protection | ±15 kV (human-body model) | kV |
| Operating Temperature | 0°C to 70°C | °C |
| Package Type | 16-SOIC | |
| Mounting Type | Surface Mount | |
| Receiver Hysteresis | 300 mV | mV |
| Propagation Delay Time | 0.3 μs | μs |
Key Features
- Operates from a single 3.0V to 5.5V supply using a dual charge-pump circuit with four small external capacitors (0.1μF).
- Meets or exceeds the requirements of TIA/EIA-232-F for RS-232 communication.
- Provides ±15 kV ESD protection on serial-port connection terminals, including GND.
- Supports data rates up to 235 kbps in normal mode and up to 1 Mbps in MegaBaud mode.
- Full duplex operation with two line drivers and two line receivers.
- Low power consumption with a typical operating supply current of 1 mA.
- Shutdown mode available to reduce power consumption to 1.0 to 10 μA.
- Outputs are protected against shorts to ground.
Applications
- Battery-powered systems such as PDAs, notebooks, laptops, and palmtop PCs.
- Hand-held equipment and other portable devices.
- Industrial automation and control systems requiring RS-232 interfaces.
- Embedded systems and IoT devices that need reliable serial communication.
- Any application requiring a low-power, high-performance RS-232 transceiver.
Q & A
- What is the operating voltage range of the MAX3232CSE+?
The MAX3232CSE+ operates from a single 3.0V to 5.5V supply.
- How many drivers and receivers does the MAX3232CSE+ have?
The MAX3232CSE+ has two line drivers and two line receivers.
- What is the maximum data rate supported by the MAX3232CSE+?
The device supports data rates up to 235 kbps in normal mode and up to 1 Mbps in MegaBaud mode).
- Does the MAX3232CSE+ have ESD protection?
Yes, it provides ±15 kV ESD protection on serial-port connection terminals, including GND).
- What type of package does the MAX3232CSE+ come in?
The MAX3232CSE+ comes in a 16-SOIC package).
- What is the operating temperature range of the MAX3232CSE+?
The device operates within a temperature range of 0°C to 70°C).
- Is the MAX3232CSE+ RoHS compliant?
Yes, the MAX3232CSE+ is RoHS compliant).
- What is the propagation delay time of the MAX3232CSE+?
The propagation delay time is 0.3 μs).
- Does the MAX3232CSE+ have a shutdown mode?
Yes, it has a shutdown mode that reduces power consumption to 1.0 to 10 μA).
- What are some typical applications of the MAX3232CSE+?
Typical applications include battery-powered systems, hand-held equipment, industrial automation, and embedded systems).
