Overview
The ST3232CTR is a low-power, RS-232 and RS-422 transceiver designed by STMicroelectronics. This device is part of the ST3232 series, which includes the ST3232B and ST3232C models. It operates on a 3 to 5.5 V supply voltage and is known for its high data-rate capabilities and low power consumption. The ST3232CTR features a proprietary low dropout transmitter output stage, ensuring true RS-232 performance even at lower supply voltages. It requires only four small external capacitors for operation from a 3 V supply, making it suitable for a variety of applications where power efficiency is crucial.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage | 3 to 5.5 | V |
| Supply Current | 0.3 to 2 | mA |
| Data Rate | Up to 400 kbps | kbps |
| Slew Rate | 6 V/µs (min) | V/µs |
| Number of Drivers/Receivers | 2/2 | - |
| Package Type | TSSOP16 | - |
| Operating Temperature | 0 to 70 °C | °C |
| RoHS Compliance | Ecopack3 | - |
Key Features
- Low power consumption with a supply current of 300 µA (typical).
- High data-rate capabilities, guaranteed up to 250 kbps and typically up to 400 kbps.
- Meets EIA/TIA-232 specifications down to 3 V supply voltage.
- Proprietary low dropout transmitter output stage for true RS-232 performance.
- Available in SO-16, SO-16 large, and TSSOP16 packages.
- Minimum guaranteed slew rate of 6 V/µs.
Applications
The ST3232CTR is suitable for various applications where low power consumption and high data-rate capabilities are essential. Typical applications include:
- Notebooks and subnotebooks
- Palmtop computers
- Battery-powered equipment
- Hand-held equipment
- Peripherals and printers
Q & A
- What is the operating voltage range of the ST3232CTR?
The ST3232CTR operates on a supply voltage range of 3 to 5.5 V.
- What is the typical supply current of the ST3232CTR?
The typical supply current is 300 µA.
- What is the maximum guaranteed data rate of the ST3232CTR?
The device is guaranteed to run at data rates of up to 250 kbps while maintaining RS-232 output levels.
- What package types are available for the ST3232CTR?
The ST3232CTR is available in a TSSOP16 package, among others.
- What are the typical applications for the ST3232CTR?
Typical applications include notebooks, subnotebooks, palmtop computers, battery-powered equipment, hand-held equipment, peripherals, and printers.
- Does the ST3232CTR meet EIA/TIA-232 specifications?
- What is the minimum guaranteed slew rate of the ST3232CTR?
- How many drivers and receivers does the ST3232CTR have?
- What is the operating temperature range of the ST3232CTR?
- Is the ST3232CTR RoHS compliant?
