Overview
The SP3232EEY-L/TR is a True +3.0V to +5.5V RS-232 transceiver produced by MaxLinear, Inc. This device is part of the SP3222E/3232E series, designed specifically for portable or hand-held applications such as notebook or palmtop computers. The SP3232EEY-L/TR meets true EIA/TIA-232-F standards and operates from a single power supply ranging from +3.3V to +5.0V, making it highly versatile for various low-power applications.
Key Specifications
| Parameter | Value | Units | Conditions |
|---|---|---|---|
| Supply Voltage (Nom) | 3.3, 5 | V | |
| No. of Tx | 2 | ||
| No. of Rx | 2 | ||
| Data Rate | 120 kbps | Under Full Load | |
| HBM ESD | ±15 kV | ||
| IEC 61000-4-2 Contact | ±8 kV | ||
| Internal Charge Pump | ✔ | ||
| No. of External Caps | 4 | ||
| Nominal Cap Value | 0.1 µF | ||
| Shutdown Current | < 1 µA | ||
| Temperature Range | -40 to 85 °C | ||
| Package | TSSOP-16 |
Key Features
- Meets true EIA/TIA-232-F standards from a +3.0V to +5.5V power supply.
- Minimum 120 kbps data rate under full load.
- Interoperable with RS-232 down to +2.7V power source.
- Enhanced ESD specifications: ±15 kV Human Body Model, ±15 kV IEC1000-4-2 Air Discharge, and ±8 kV IEC1000-4-2 Contact Discharge.
- High-efficiency charge-pump power supply requiring only 0.1 µF capacitors in 3.3V operation.
- Low-power shutdown mode with supply current less than 1 µA, and receivers remain active during shutdown.
- Drivers are inverting level transmitters that convert TTL or CMOS logic levels to ±5.0V EIA/TIA-232 levels.
- Receivers convert EIA/TIA-232 levels to TTL or CMOS logic output levels with inverting tri-state output.
Applications
The SP3232EEY-L/TR is ideal for portable or hand-held applications such as:
- Notebook computers
- Palmtop computers
- Other low-power RS-232 communication devices
Q & A
- What is the operating voltage range of the SP3232EEY-L/TR?
The SP3232EEY-L/TR operates from a single power supply ranging from +3.3V to +5.0V.
- What is the minimum data rate supported by the SP3232EEY-L/TR?
The minimum data rate supported is 120 kbps under full load.
- How many drivers and receivers does the SP3232EEY-L/TR have?
The device has 2 drivers and 2 receivers.
- What is the ESD tolerance of the SP3232EEY-L/TR?
The device has an ESD tolerance of ±15 kV for Human Body Model and ±15 kV for IEC1000-4-2 Air Discharge, and ±8 kV for IEC1000-4-2 Contact Discharge.
- What is the shutdown current of the SP3232EEY-L/TR?
The shutdown current is less than 1 µA.
- Can the receivers of the SP3232EEY-L/TR remain active during shutdown?
- What type of package is the SP3232EEY-L/TR available in?
The device is available in a TSSOP-16 package.
- What is the temperature range of the SP3232EEY-L/TR?
The temperature range is -40 to 85 °C.
- How many external capacitors are required for the SP3232EEY-L/TR?
The device requires 4 external capacitors, each with a nominal value of 0.1 µF.
- Is the SP3232EEY-L/TR interoperable with lower voltage RS-232 sources?
