Overview
The MAX3232EIPWR, produced by Texas Instruments, is a 3-V to 5.5-V multichannel RS-232 line driver and receiver. This device is designed to provide the electrical interface between an asynchronous communication controller and the serial-port connector, adhering to the TIA/EIA-232-F and ITU V.28 standards. It features a dual charge-pump circuit that allows operation from a single supply voltage, making it versatile for various applications. The MAX3232EIPWR includes two line drivers, two line receivers, and robust ESD protection, ensuring reliable communication in diverse environments.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage | 3 V to 5.5 V |
| Data Rate | Up to 250 kbit/s |
| Number of Drivers | 2 |
| Number of Receivers | 2 |
| Package Type | TSSOP (16 pins) |
| Operating Temperature | -40°C to 85°C |
| ESD Protection | ±15 kV (HBM), ±8 kV (IEC61000-4-2, Contact discharge), ±15 kV (IEC61000-4-2, Air-gap discharge) |
| External Capacitors | 4 × 0.1 µF |
| Supply Current | 1 mA (typical) |
| Logic Function | Transceiver, Receiver |
| Simplex/Duplex | Full Duplex |
Key Features
- ESD protection for RS-232 bus pins: ±15 kV (HBM), ±8 kV (IEC61000-4-2, Contact discharge), ±15 kV (IEC61000-4-2, Air-gap discharge)
- Meets or exceeds the requirements of TIA/EIA-232-F and ITU V.28 standards
- Operates with a single 3-V to 5.5-V supply voltage
- Supports data signaling rates up to 250 kbit/s
- Includes two line drivers and two line receivers
- Low standby current: 300 µA (typical)
- Accepts 5-V logic input with a 3.3-V supply
- Pin compatible with alternative high-speed devices (e.g., SN65C3232E, SN75C3232E)
Applications
The MAX3232EIPWR is suitable for a variety of applications, including:
- Automotive systems: Qualified for automotive applications, ensuring reliability in harsh environments
- Industrial control systems: Provides robust communication interfaces for industrial automation and control systems
- Embedded systems: Ideal for embedded systems requiring serial communication interfaces with low power consumption
- Medical devices: Used in medical devices where reliable and protected serial communication is critical
- Consumer electronics: Found in various consumer electronics requiring RS-232 interfaces, such as printers, scanners, and other peripherals
Q & A
- What is the operating supply voltage range of the MAX3232EIPWR?
The MAX3232EIPWR operates with a single supply voltage ranging from 3 V to 5.5 V
- What is the maximum data rate supported by the MAX3232EIPWR?
The device supports data signaling rates up to 250 kbit/s
- How many line drivers and receivers does the MAX3232EIPWR have?
The MAX3232EIPWR includes two line drivers and two line receivers
- What kind of ESD protection does the MAX3232EIPWR offer?
The device offers ±15 kV (HBM), ±8 kV (IEC61000-4-2, Contact discharge), and ±15 kV (IEC61000-4-2, Air-gap discharge) ESD protection
- What is the typical standby current of the MAX3232EIPWR?
The typical standby current is 300 µA
- Is the MAX3232EIPWR qualified for automotive applications?
Yes, the MAX3232EIPWR is qualified for automotive applications
- What type of package does the MAX3232EIPWR come in?
The device is available in a TSSOP (16 pins) package
- What is the operating temperature range of the MAX3232EIPWR?
The operating temperature range is -40°C to 85°C
- Does the MAX3232EIPWR support full duplex operation?
Yes, the device supports full duplex operation
- How many external capacitors are required for the MAX3232EIPWR?
The device requires four external capacitors, each 0.1 µF
