Overview
The ST3232EBTR, produced by STMicroelectronics, is a 3 V powered EIA/TIA-232 and V.28/V.24 communication interface. This device is designed for 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 with a dual charge pump. The device is available in TSSOP16 packages and supports data rates up to 250 kbps.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 3 | - | 5.5 | V |
| Supply Current (ISUPPLY) | 0.3 | 1 | - | mA |
| Data Rate | 250 | - | - | kbps |
| ESD Protection (Human Body Model) | ±15 | - | - | kV |
| ESD Protection (IEC 1000-4-2 Contact Discharge) | ±8 | - | - | kV |
| Output Voltage Swing | ±5 | - | ±5.4 | V |
| Transmitter Output Resistance | 300 | - | 10M | Ω |
| Temperature Range | -40 | - | 85 | °C |
| Package Type | - | - | TSSOP16 | - |
Key Features
- Enhanced ESD protection: ±15 kV human body model and ±8 kV IEC 1000-4-2 contact discharge.
- Low power consumption: 300 µA supply current at no load.
- High data-rate capability: up to 250 kbps.
- Proprietary low-dropout transmitter output stage for true RS-232 performance from 3 to 5 V supplies with a dual charge pump.
- Available in TSSOP16 packages.[
Applications
- Notebook, subnotebook, and palmtop computers.
- Battery-powered equipment.
- Hand-held equipment.
- Peripherals and printers.[
Q & A
- What is the supply voltage range for the ST3232EBTR?
The supply voltage range is from 3 V to 5.5 V.[ - What is the maximum guaranteed data rate for the ST3232EBTR?
The maximum guaranteed data rate is 250 kbps.[ - What type of ESD protection does the ST3232EBTR offer?
The ST3232EBTR offers ±15 kV human body model and ±8 kV IEC 1000-4-2 contact discharge ESD protection.[ - What is the typical supply current for the ST3232EBTR at no load?
The typical supply current at no load is 300 µA.[ - In what package types is the ST3232EBTR available?
The ST3232EBTR is available in TSSOP16 packages.[ - What is the temperature range for the ST3232EBTR?
The temperature range is from -40 °C to 85 °C.[ - How many receivers and drivers does the ST3232EBTR have?
The ST3232EBTR has two receivers and two drivers.[ - What is the minimum guaranteed slew rate for the ST3232EBTR?
The minimum guaranteed slew rate is 6 V/µs.[ - Does the ST3232EBTR meet EIA/TIA-232 specifications?
Yes, the ST3232EBTR meets EIA/TIA-232 specifications down to 3 V.[ - What capacitors are required for the charge pump operation?
The charge pump requires four small 0.1 µF standard external capacitors for operation from a 3 V supply.[
