Overview
The ST3232EBWR is a 3 V powered EIA/TIA-232 and V.28/V.24 communication interface developed by STMicroelectronics. This device is designed with low power requirements and high data-rate capabilities, making it suitable for a variety of applications. It features a proprietary low-dropout transmitter output stage that ensures true RS-232 performance from 3 to 5.5 V supplies. The ST3232EBWR also includes enhanced electrostatic discharge (ESD) protection up to ±15 kV using the human body model and ±8 kV using IEC1000-4-2 contact discharge, ensuring robust operation in demanding environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 3 to 5.5 | V |
| Supply Current | 300 µA | - |
| Data Rate | Up to 250 kbps | - |
| Slew Rate | 6 V/µs (minimum) | - |
| ESD Protection | ±15 kV (human body model), ±8 kV (IEC1000-4-2 contact discharge) | - |
| Operating Temperature | -40 to 85 °C | - |
| Package | SOIC-16, TSSOP-16 | - |
| Number of Drivers/Receivers | 2 drivers, 2 receivers | - |
Key Features
- Low power consumption with a supply current of 300 µA.
- High data-rate capability up to 250 kbps while maintaining RS-232 output levels.
- Proprietary low-dropout transmitter output stage for true RS-232 performance from 3 to 5.5 V supplies.
- Requires only four small 0.1 µF external capacitors for operation from a 3 V supply.
- Enhanced ESD protection to ±15 kV using the human body model and ±8 kV using IEC1000-4-2 contact discharge.
- Available in SO16, SO16L, and TSSOP16 packages.
- Meets EIA/TIA-232 specifications down to 3 V.
Applications
The ST3232EBWR is suitable for various applications including:
- Notebooks, subnotebooks, and palmtop computers.
- Battery-powered equipment.
- Hand-held equipment.
- Peripherals and printers.
- Industrial automation and control systems.
Q & A
- What is the supply voltage range for the ST3232EBWR?
The supply voltage range is from 3 to 5.5 V.
- What is the maximum data rate supported by the ST3232EBWR?
The device is guaranteed to run at data rates up to 250 kbps.
- What kind of ESD protection does the ST3232EBWR offer?
The device offers ±15 kV ESD protection using the human body model and ±8 kV using IEC1000-4-2 contact discharge.
- What are the typical applications for the ST3232EBWR?
Typical applications include notebooks, subnotebooks, palmtop computers, battery-powered equipment, hand-held equipment, peripherals, and printers.
- What packages are available for the ST3232EBWR?
The device is available in SO16, SO16L, and TSSOP16 packages.
- How many drivers and receivers does the ST3232EBWR have?
The device has two drivers and two receivers.
- What is the minimum guaranteed slew rate for the ST3232EBWR?
The minimum guaranteed slew rate is 6 V/µs.
- Does the ST3232EBWR meet EIA/TIA-232 specifications?
Yes, the device meets EIA/TIA-232 specifications down to 3 V.
- What is the operating temperature range for the ST3232EBWR?
The operating temperature range is from -40 to 85 °C.
- How many external capacitors are required for the ST3232EBWR to operate from a 3 V supply?
The device requires only four small 0.1 µF external capacitors.
