Overview
The ST3237EBPR is a high-performance RS-232 transceiver produced by STMicroelectronics. This device is designed to operate within a voltage range of 3 V to 5.5 V and is known for its high data-rate capability and enhanced electrostatic discharge (ESD) protection. It features a proprietary low-dropout transmitter output stage, ensuring true RS-232 performance even at lower supply voltages. The ST3237EBPR is suitable for fast modem applications and other communication interfaces requiring high reliability and speed.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | -0.3 to 6 | V |
| Operating Temperature Range | -40 to 85 °C | °C |
| Data Rate (Normal Operation) | 250 kbps | kbps |
| Data Rate (Very High Speed Operation) | 1 Mbps | Mbps |
| ESD Protection (RS-232 I/O Pins) | ±15 kV (HBM), ±8 kV (IEC 1000-4-2) | kV |
| Shutdown Supply Current | 1 µA | µA |
| Package Type | SSOP28 (tape and reel) | |
| Number of Drivers/Receivers | 5 drivers, 3 receivers |
Key Features
- ESD protection for RS-232 I/O pins: ±15 kV Human Body Model (HBM) and ±8 kV IEC 1000-4-2 contact discharge.
- Low power shutdown with receivers active: 1 µA.
- Guaranteed data rates: 250 kbps in normal operation and 1 Mbps in very high speed operation.
- Proprietary low-dropout transmitter output stage for true RS-232 performance from a 3 V to 5.5 V supply.
- Flow-through pinout for easy PCB layout.
- Low supply current: 300 µA.
- Available in SSOP28 and SO-28 packages.
Applications
The ST3237EBPR is designed for use in various communication interfaces and applications, including:
- Fast modem applications.
- EIA/TIA-232 and V.28/V.24 communication interfaces.
- Industrial automation and control systems.
- Medical devices requiring reliable serial communication.
- Point-of-sale terminals and other serial communication devices.
Q & A
- What is the operating voltage range of the ST3237EBPR?
The ST3237EBPR operates within a voltage range of 3 V to 5.5 V. - What are the data rates supported by the ST3237EBPR?
The device supports data rates of 250 kbps in normal operation and 1 Mbps in very high speed operation. - What level of ESD protection does the ST3237EBPR offer?
The device offers ±15 kV ESD protection using the Human Body Model (HBM) and ±8 kV using IEC 1000-4-2 contact discharge. - What is the shutdown supply current of the ST3237EBPR?
The shutdown supply current is 1 µA. - In what packages is the ST3237EBPR available?
The device is available in SSOP28 and SO-28 packages. - How many drivers and receivers does the ST3237EBPR have?
The device has 5 drivers and 3 receivers. - What is the typical supply current of the ST3237EBPR?
The typical supply current is 300 µA. - What is the operating temperature range of the ST3237EBPR?
The operating temperature range is -40 to 85 °C. - Does the ST3237EBPR support flow-through pinout?
Yes, the device supports flow-through pinout for easy PCB layout. - What is the purpose of the proprietary low-dropout transmitter output stage in the ST3237EBPR?
The proprietary low-dropout transmitter output stage ensures true RS-232 performance from a 3 V to 5.5 V supply.
