Overview
The ST3232EBDR, produced by STMicroelectronics, is a 3 V powered EIA/TIA-232 and V.28/V.24 communication interface. This device is designed with low power requirements and high data-rate capabilities, making it suitable for a variety of applications. It features enhanced electrostatic discharge (ESD) protection and a proprietary low-dropout transmitter output stage, ensuring true RS-232 performance from 3 to 5 V supplies. The device requires only four small 0.1 μF standard external capacitors for operation from a 3 V supply.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | -0.3 to 6 | V |
| Doubled Voltage Terminal (V+) | (VCC - 0.3) to 7 | V |
| Inverted Voltage Terminal (V-) | 0.3 to -7 | V |
| Transmitter Input Voltage Range (TIN) | -0.3 to 6 | V |
| Receiver Input Voltage Range (RIN) | ± 25 | V |
| Transmitter Output Voltage Range (TOUT) | ± 13.2 | V |
| Receiver Output Voltage Range (ROUT) | -0.3 to (VCC + 0.3) | V |
| Maximum Junction Temperature (Tj) | 150 | °C |
| Data Rate | Up to 250 kbps | kbps |
| Supply Current (ISUPPLY) | 0.3 to 1 | mA |
| ESD Protection | ±15 kV (Human Body Model), ±8 kV (IEC 1000-4-2) | kV |
| Package | SO-16, TSSOP16 | |
| Operating Temperature Range | -40 to 85 °C | °C |
Key Features
- Enhanced electrostatic discharge (ESD) protection: ±15 kV human body model and ±8 kV IEC 1000-4-2 contact discharge.
- Low power requirements: 300 μA supply current.
- High data-rate capabilities: Up to 250 kbps.
- True RS-232 performance from 3 to 5 V supplies with a dual charge pump.
- Two receivers and two drivers.
- Minimum guaranteed slew rate of 6 V/μs.
- Available in SO-16 and TSSOP16 packages.
Applications
- Notebook, subnotebook, and palmtop computers.
- Battery-powered equipment.
- Hand-held equipment.
- Peripherals and printers.
- Communications equipment.
Q & A
- What is the operating voltage range of the ST3232EBDR? The ST3232EBDR operates from 3 to 5.5 V.
- What is the maximum guaranteed data rate of the ST3232EBDR? The maximum guaranteed data rate is 250 kbps.
- What type of ESD protection does the ST3232EBDR offer? The ST3232EBDR offers ±15 kV human body model and ±8 kV IEC 1000-4-2 contact discharge ESD protection.
- How many receivers and drivers does the ST3232EBDR have? The ST3232EBDR has two receivers and two drivers.
- What are the available package types for the ST3232EBDR? The ST3232EBDR is available in SO-16 and TSSOP16 packages.
- What is the typical supply current of the ST3232EBDR? The typical supply current is 300 μA.
- What is the minimum guaranteed slew rate of the ST3232EBDR? The minimum guaranteed slew rate is 6 V/μs.
- What are some common applications of the ST3232EBDR? Common applications include notebook and palmtop computers, battery-powered equipment, hand-held equipment, and peripherals and printers.
- What is the operating temperature range of the ST3232EBDR? The operating temperature range is -40 to 85 °C.
- Does the ST3232EBDR meet EIA/TIA-232 specifications? Yes, the ST3232EBDR meets EIA/TIA-232 specifications down to 3 V.
