Overview
The MAX3232IPWRE4, manufactured by Texas Instruments, is a multichannel RS-232 line driver/receiver IC designed to provide efficient signal processing and reliable data transmission. This device is part of the MAX3232 series, which meets or exceeds the requirements of TIA/EIA-232-F, ensuring compatibility with a wide range of applications requiring RS-232 interface.
The MAX3232IPWRE4 operates within a voltage range of 3V to 5.5V, making it suitable for various battery-powered systems, PDAs, notebooks, laptops, and other hand-held equipment. It features a dual charge-pump circuit that generates the necessary voltage levels for RS-232 communication using a single supply voltage and four external capacitors.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Texas Instruments | |
| Package Type | TSSOP-16 | |
| Number of Drivers/Receivers | 2/2 | |
| Supply Voltage Range | 3V to 5.5V | V |
| Operating Temperature Range | -40°C to 85°C | °C |
| Data Rate | Up to 250 kbps | kbps |
| Duplex Mode | Full Duplex | |
| ESD Protection | ±15 kV (HBM) | kV |
| Logic Input Threshold Low | 0.8 V | V |
| Logic Input Threshold High (VCC = 3.3V) | 2.0 V | V |
| Supply Current (No Load, VCC = 3.3V or 5.0V) | 0.3 to 1.0 mA | mA |
| Shutdown Supply Current | 1.0 to 10 µA | µA |
Key Features
- RS-232 Compatibility: Meets or exceeds TIA/EIA-232-F requirements.
- Wide Voltage Range: Operates from a single 3V to 5.5V supply.
- Dual Charge-Pump Circuit: Generates necessary voltage levels using four external capacitors.
- High ESD Protection: ±15 kV ESD protection using the human-body model (HBM).
- Low Power Consumption: Low supply current in both active and shutdown modes.
- Full Duplex Operation: Supports full duplex communication with two drivers and two receivers.
- High Data Rate: Supports data rates up to 250 kbps.
- Compact Package: Available in a 16-TSSOP package.
Applications
- Battery-Powered Systems: Suitable for PDAs, notebooks, laptops, and other portable devices.
- Hand-Held Equipment: Ideal for palmtop PCs and other hand-held devices requiring RS-232 communication.
- Industrial Automation: Used in various industrial automation systems that require reliable serial communication.
- Medical Devices: Can be used in medical devices that need to communicate via RS-232 interfaces.
- Embedded Systems: Commonly used in embedded systems that require serial communication capabilities.
Q & A
- What is the operating voltage range of the MAX3232IPWRE4?
The MAX3232IPWRE4 operates within a voltage range of 3V to 5.5V.
- How many drivers and receivers does the MAX3232IPWRE4 have?
The device has two drivers and two receivers.
- What is the maximum data rate supported by the MAX3232IPWRE4?
The device supports data rates up to 250 kbps.
- What type of ESD protection does the MAX3232IPWRE4 offer?
The device offers ±15 kV ESD protection using the human-body model (HBM).
- What is the operating temperature range of the MAX3232IPWRE4?
The operating temperature range is -40°C to 85°C.
- What package type is the MAX3232IPWRE4 available in?
The device is available in a 16-TSSOP package.
- Does the MAX3232IPWRE4 support full duplex operation?
Yes, it supports full duplex operation.
- How does the MAX3232IPWRE4 generate the necessary voltage levels for RS-232 communication?
The device uses a dual charge-pump circuit with four external capacitors to generate the necessary voltage levels.
- What are some common applications of the MAX3232IPWRE4?
Common applications include battery-powered systems, hand-held equipment, industrial automation, medical devices, and embedded systems.
- Is the MAX3232IPWRE4 lead-free and RoHS compliant?
Yes, the device is lead-free and RoHS compliant.
