Overview
The MAX3232CPWRE4, produced by Texas Instruments, is a robust serial communication solution designed for various industrial and commercial applications. This device is a full-duplex, 2/2 transmit-receive (TX/RX) RS-232 transceiver that provides a reliable electrical interface between an asynchronous communication controller and the serial-port connector. It meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards, ensuring compatibility with a wide range of serial communication protocols.
The MAX3232CPWRE4 operates with a single 3-V to 5.5-V supply and includes a dual charge-pump circuit that requires four small external capacitors. This configuration allows for efficient operation and high data signaling rates up to 250 kbit/s. The device also features ±15-kV ESD protection terminal to terminal, enhancing its reliability in demanding environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | TSSOP-16 | |
| Pins | 16 | |
| Operating Temperature Range | 0°C to 70°C | °C |
| Supply Voltage Range | 3 V to 5.5 V | V |
| Data Rate | Up to 250 kbit/s | kbit/s |
| Number of Drivers/Receivers | 2/2 | |
| ESD Protection | ±15 kV (HBM) | kV |
| Driver Output Slew Rate | Up to 30 V/μs | V/μs |
| Supply Current (Typical) | 300 µA | µA |
| External Capacitors | 4 × 0.1 µF | µF |
Key Features
- Full-duplex, 2/2 transmit-receive (TX/RX) operation
- Supports RS232 protocol
- Noise-immune design ensures reliable data transmission
- Operating temperature range: 0°C to 70°C
- Supply voltage range: 3 V to 5.5 V
- Data rate: up to 250 kbps
- ±15 kV ESD protection terminal to terminal (HBM)
- Low supply current: 300 µA Typical
- Accepts 5-V logic input with 3.3-V supply
- Alternative high-speed terminal-compatible devices available (e.g., SN65C3232, SN75C3232)
Applications
- Industrial control systems
- Medical devices
- Automotive electronics
- Aerospace and defense applications
- Other industrial, commercial, or consumer applications requiring reliable serial communication
- Battery-powered systems, PDAs, notebooks, laptops, and hand-held equipment
Q & A
- What is the operating temperature range of the MAX3232CPWRE4?
The operating temperature range is 0°C to 70°C.
- What is the supply voltage range for the MAX3232CPWRE4?
The supply voltage range is 3 V to 5.5 V.
- What is the maximum data rate supported by the MAX3232CPWRE4?
The maximum data rate is up to 250 kbit/s.
- How many drivers and receivers does the MAX3232CPWRE4 have?
The device has 2 drivers and 2 receivers.
- What level of ESD protection does the MAX3232CPWRE4 offer?
The device offers ±15 kV ESD protection terminal to terminal (HBM).
- What type of package does the MAX3232CPWRE4 come in?
The device comes in a TSSOP-16 package.
- Can the MAX3232CPWRE4 operate with 5-V logic input on a 3.3-V supply?
Yes, it can accept 5-V logic input with a 3.3-V supply.
- What are the typical external capacitors required for the MAX3232CPWRE4?
The device requires 4 × 0.1 µF external capacitors.
- What are some common applications for the MAX3232CPWRE4?
Common applications include industrial control systems, medical devices, automotive electronics, and aerospace and defense applications.
- Does the MAX3232CPWRE4 meet industry standards for RS-232 communication?
Yes, it meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards.
